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All Tools

Every free tool on Toolsped, in one place — 603 calculators, converters and generators for math, money, home projects, health and files. Use the filter below to jump to the one you need, or browse by category. Every tool runs in your browser, with no sign-up and no downloads.

Showing all 603 tools.

Math & Science (55 tools)

Math & Science

Decibel Calculator

Convert power and amplitude ratios to dB, add two sound levels, and compare dB, dBm and dBV values.

Math & Science

Density Calculator

Solve for mass, volume or density with unit options and material presets for water, steel, aluminum, gold and more.

Math & Science

Slope Calculator

Find the slope of a line from two points or rise over run.

Math & Science

Volume Calculator

Compute the volume of boxes, cylinders, spheres, and cones.

Math & Science

Algebra Calculator

Solve basic algebra expressions and equations step by step.

Math & Science

Equation Solver

Solve linear and quadratic equations and see the answer instantly.

Math & Science

Exponent Calculator

Raise any base to any power, including negative exponents.

Math & Science

Proportion Calculator

Solve a/b = c/d for the missing value with steps shown.

Math & Science

Median Calculator

Find the median, mean, and mode of any list of numbers.

Math & Science

Mixed Number Calculator

Add, subtract, multiply, and divide mixed numbers.

Math & Science

Rounding Calculator

Round any number to decimal places or the nearest 10, 100, or 1000.

Math & Science

Decimal to Fraction Calculator

Turn any decimal into a simplified fraction, including repeating decimals.

Math & Science

Probability Calculator

Find P(A and B), P(A or B), and P(neither) for two independent events.

Math & Science

Surface Area Calculator

Find the surface area of cubes, spheres, cylinders, and boxes.

Math & Science

Hex Calculator

Convert between hex, decimal, binary, and octal.

Math & Science

Number to Words Converter

Turn any number into words — cardinal, ordinal, or currency.

Math & Science

Midpoint Calculator

Find the midpoint of two points, in 2D or 3D, with distance.

Math & Science

Variance Calculator

Find population and sample variance from any list of numbers.

Math & Science

Scientific Notation Converter

Convert numbers to scientific, e-notation, and engineering form.

Math & Science

Permutation Calculator

Work out permutations, combinations, and factorials.

Math & Science

Modulo Calculator

Find remainders and modular inverses, step by step.

Math & Science

Golden Ratio Calculator

Find the golden ratio sides of any rectangle.

Math & Science

Pythagoras Calculator

Solve right triangles: hypotenuse, legs, area, and perimeter.

Math & Science

Hex to ASCII Converter

Convert hexadecimal to ASCII text and back.

Math & Science

Z-Score Calculator

Find z-scores and percentiles from any value.

Math & Science

Wavelength Calculator

Find wavelength from frequency, or frequency from wavelength.

Math & Science

LED Resistor Calculator

Find the right resistor for any LED and supply voltage.

Math & Science

Chmod Calculator

Convert between octal and symbolic file permissions.

Math & Science

Net Run Rate Calculator

Calculate net run rate for a cricket match.

Math & Science

Plate Calculator

Load your barbell fast with our free plate calculator.

Math & Science

Linear Regression Calculator

Find the slope, intercept, and R² of a best-fit line from your data.

Math & Science

Lottery Odds Calculator

Work out your odds of winning Powerball, Mega Millions, and more.

Math & Science

Ellipse Calculator

Find the area, perimeter, eccentricity, and foci of any ellipse.

Math & Science

Decimal to Percent Calculator

Convert decimals to percents, percents to decimals, and fractions to percents.

Math & Science

Fibonacci Calculator

Find the nth Fibonacci number, the sequence, and its sum.

Math & Science

Words to Numbers

Turn number words like 'one thousand two hundred' into digits.

Math & Science

Final Grade Calculator

Find the score you need on your final exam to reach your target grade.

Math & Science

Fraction to Decimal Calculator

Turn any fraction into a decimal or percent, including repeating decimals.

Math & Science

GCF Calculator

Find the greatest common factor (and LCM) of two or three numbers with steps.

Math & Science

Circumference Calculator

Find a circle's circumference from its radius, diameter, or area, with all four values shown.

Math & Science

Log Calculator

Compute logarithms to any base — log10, ln, log2, custom base — plus antilogs.

Math & Science

Limit Calculator

Evaluate limits of f(x) numerically from both sides, with approaching-values tables.

Math & Science

System of Equations Solver

Solve 2x2 and 3x3 linear systems step by step with Gaussian elimination.

Math & Science

Binary Calculator

Use this free binary calculator to add, subtract, multiply and divide binary numbers, and to run bitwise AND, OR, XOR and NOT operations plus left and right...

Math & Science

Factorial Calculator

Use this free factorial calculator to find n! for any whole number from 0 to 100.

Math & Science

Prime Factorization Calculator

Use this free prime factorization calculator to break any whole number up to 1 trillion (10^12) into its prime factors.

Math & Science

Prime Number Checker

Test if any number up to 10^18 is prime, find the next or previous prime, and list primes in a range.

Math & Science

Pythagorean Theorem Calculator

Use this free Pythagorean theorem calculator to solve for any side of a right triangle.

Math & Science

Moon Phase Calculator

Use this free moon phase calculator to find the phase of the moon on any date.

Math & Science

Vector Calculator

Add, subtract, and find magnitude, dot and cross products of vectors.

Math & Science

Tangent Calculator

Find tan(x) and arctan(x) in degrees or radians, instantly.

Math & Science

Cosine Calculator

Find cos(x) and arccos(x) in degrees or radians, instantly.

Math & Science

Half-Life Calculator

Find how much of a substance remains after any time, or how long until it decays to a target amount.

Math & Science

Confidence Interval Calculator

Find the margin of error and confidence interval for a mean or a proportion.

Math & Science

Nth Root Calculator

Find the square root, cube root, 4th root, 5th root, or any root of a number.

Converters & Everyday (105 tools)

Converters & Everyday

Belt Size Calculator

Enter your waist or pants size in inches or cm and get your belt size for men and women, plus US, EU and UK sizes.

Converters & Everyday

EUR to USD

Convert euros to US dollars at the latest exchange rate.

Converters & Everyday

1km to Miles

Convert kilometers to miles quickly and accurately.

Converters & Everyday

Millimeters to Inches

Convert millimeters to inches for precise measurements.

Converters & Everyday

Knots to MPH

Convert knots to miles per hour for wind and boat speed.

Converters & Everyday

Tablespoons to Cups

Convert tablespoons to cups for cooking and baking.

Converters & Everyday

Percent Off Calculator

Find the sale price and savings on any discount.

Converters & Everyday

Military Time Converter

Convert between 24-hour military time and 12-hour time.

Converters & Everyday

ETH to USD

Convert Ethereum to US dollars at the price you enter.

Converters & Everyday

Seconds to Minutes

Convert seconds to minutes — and minutes back to seconds.

Converters & Everyday

KB to MB

Convert KB, MB, GB and TB in both directions.

Converters & Everyday

Liters to Quarts

Convert liters to quarts — and quarts back to liters.

Converters & Everyday

Grams to Teaspoons

Convert grams to teaspoons for water, sugar, salt and more.

Converters & Everyday

Yards to Meters

Convert yards to meters — and meters back to yards.

Converters & Everyday

Fuel Cost Calculator

Find the fuel cost of any trip from distance and mpg.

Converters & Everyday

Voltage Drop Calculator

Find the voltage drop and percent loss on any wire run.

Converters & Everyday

Radians to Degrees

Convert radians to degrees — and degrees back to radians.

Converters & Everyday

Mg to mL

Convert milligrams to milliliters for water and other liquids.

Converters & Everyday

Liters to Cups

Convert liters to US cups — and cups back to liters.

Converters & Everyday

kW to HP

Convert kilowatts, horsepower, and watts in any direction.

Converters & Everyday

Kelvin to Fahrenheit

Convert Kelvin, Celsius, Fahrenheit, and Rankine temperatures.

Converters & Everyday

Steps to Miles Calculator

Turn your daily step count into miles and kilometers.

Converters & Everyday

Pints to Quarts

Convert pints to quarts — and quarts back to pints.

Converters & Everyday

Centimeters to Meters

Convert centimeters to meters — and meters back to centimeters.

Converters & Everyday

Liters to Milliliters

Convert liters to milliliters — and milliliters back to liters.

Converters & Everyday

ml to oz Converter

Convert milliliters to US fluid ounces — and fluid ounces back to milliliters — with US and UK ounce types.

Converters & Everyday

Km to Cm

Convert kilometers to centimeters — and centimeters back to kilometers.

Converters & Everyday

Cups to Pints

Convert cups to pints — and pints back to cups.

Converters & Everyday

TB to GB

Convert terabytes to gigabytes — and gigabytes back to terabytes.

Converters & Everyday

Inches to Yards

Convert inches to yards — and yards back to inches.

Converters & Everyday

Speed Calculator

Find speed from distance and time, in mph and km/h.

Converters & Everyday

MPH to m/s

Convert mph, meters per second, ft/s, km/h, and knots.

Converters & Everyday

PSI to kPa

Convert psi, kilopascals, bar, and atmospheres.

Converters & Everyday

Amps to Watts

Convert amps to watts from voltage — and watts back to amps.

Converters & Everyday

Age Difference Calculator

Find the age gap between two people in years, months, and days.

Converters & Everyday

Pounds to Newtons

Convert pounds-force to newtons — and newtons back to pounds.

Converters & Everyday

Hex to RGB

Convert hex color codes to RGB and HSL values instantly.

Converters & Everyday

Kbps to Mbps

Convert kilobits to megabits per second — and other data rates.

Converters & Everyday

Wire Size Calculator

Find the right wire size (AWG) for any circuit from amps and length.

Converters & Everyday

Tons to Kg

Convert US tons, metric tonnes, and pounds to kilograms.

Converters & Everyday

Inches to Pixels

Convert inches to pixels at any DPI — and pixels back to inches.

Converters & Everyday

RPM to Rad/s

Convert RPM to radians per second and other angular speeds.

Converters & Everyday

Liters to Cubic Feet

Convert liters to cubic feet and other volume units.

Converters & Everyday

Ring Size Calculator

Find your US, UK, EU, and JP ring size from a measurement.

Converters & Everyday

Carat to Grams

Convert carats to grams and other gemstone weights.

Converters & Everyday

Weeks to Years Converter

Convert weeks to years, months, days, and more.

Converters & Everyday

Calories to Joules Converter

Convert calories, kilocalories, joules, BTU, and kWh.

Converters & Everyday

Square Meters to Acres Converter

Convert square meters to acres, hectares, and square feet.

Converters & Everyday

Nautical Miles to Km Converter

Convert nautical miles to kilometers, miles, and meters.

Converters & Everyday

RGB to CMYK Converter

Convert RGB colors to CMYK and back, with a live swatch.

Converters & Everyday

Base64 to Image Converter

Turn a base64 string into an image preview and download it.

Converters & Everyday

mmHg to PSI Converter

Convert mmHg, psi, kPa, bar, atm, torr, and pascals.

Converters & Everyday

Days to Weeks Converter

Convert days to weeks, months, years, hours, and minutes.

Converters & Everyday

Cubic Meters to Gallons Converter

Convert cubic meters to gallons, liters, and cubic feet.

Converters & Everyday

BTU to Watts Converter

Convert BTU per hour to watts, kilowatts, and horsepower.

Converters & Everyday

Unit Price Calculator

Compare unit prices and find the cheaper of two products.

Converters & Everyday

Speaker Test Online

Test your speakers online for free.

Converters & Everyday

Tyre Size Calculator

Compare two tyre sizes side by side.

Converters & Everyday

BTU to Joules Converter

Convert BTU to joules and more.

Converters & Everyday

Notice Period Calculator

Find your last working day from your resignation date and notice period.

Converters & Everyday

MPH to Mach Converter

Convert miles per hour to Mach number at any altitude and temperature.

Converters & Everyday

Battery Life Calculator

Work out how long a battery lasts from its capacity and power draw.

Converters & Everyday

Light Years to Km Converter

Convert light years, parsecs, and AU to kilometres, miles, and more.

Converters & Everyday

EV Charging Cost Calculator

Find what an EV charge costs and how long it takes at home or in public.

Converters & Everyday

Wedding Anniversary Calculator

Find your next anniversary, years married, and milestone gift.

Converters & Everyday

Voltage Calculator

Solve Ohm's law for voltage, current, resistance, and power.

Converters & Everyday

Subtract Days From Date Calculator

Add or subtract days, weeks, months, or years from any date.

Converters & Everyday

Pt to Px Converter

Convert points to pixels at any DPI — and pixels back to points.

Converters & Everyday

Hijri Calendar Converter

Convert dates between the Gregorian and Hijri calendars, in both directions.

Converters & Everyday

Prayer Time Calculator

Find Fajr, Sunrise, Dhuhr, Asr, Maghrib, and Isha times for any place and date.

Converters & Everyday

Video Bitrate Calculator

Work out video bitrate from file size and duration — or file size from bitrate.

Converters & Everyday

Battery Size Calculator

Size a battery bank in amp-hours and kilowatt-hours for solar, RV, or off-grid power.

Converters & Everyday

Paper Weight Calculator

Convert paper weights between gsm and pounds, and work out ream weight.

Converters & Everyday

Yeast Converter

Convert between fresh, active dry, and instant yeast by weight or spoon.

Converters & Everyday

Glove Size Calculator

Measure your hand circumference and get your glove size in letter and numeric sizes.

Converters & Everyday

Grams to Cups Converter

Convert grams to cups for 20 ingredients, or cups back to grams.

Converters & Everyday

Roman Numerals Converter

Convert numbers to Roman numerals and Roman numerals back to numbers.

Converters & Everyday

Time Zone Converter

Convert times between time zones, including EST to IST and EST to PST.

Converters & Everyday

Bra Size Calculator

Find your US bra size from band and bust measurements, with sister sizes.

Converters & Everyday

Time Duration Calculator

Find the duration between two times, or add and subtract durations.

Converters & Everyday

Quintal to Kg Converter

Convert quintals to kilograms, tonnes, and pounds.

Converters & Everyday

Grams to Milligrams Converter

Convert grams to milligrams and back, with kilograms and ounces too.

Converters & Everyday

Dew Point Calculator

Find the dew point and frost point from temperature and humidity, with a comfort reading.

Converters & Everyday

Toll Calculator

Estimate trip tolls by distance, rate, and vehicle class, with turnpike presets.

Converters & Everyday

Julian Date Converter

Convert Gregorian dates to Julian Day Numbers and back, with the day of the week.

Converters & Everyday

CM Ruler Online

Measure anything on screen with a calibrated centimetre and inch ruler.

Converters & Everyday

Speed Distance Time Calculator

Solve for speed, distance, or time — any one of the three from the other two.

Converters & Everyday

Miles to Steps Calculator

Turn miles into steps from your stride length — or steps back into miles.

Converters & Everyday

Base64 Decoder Online

Decode base64 to text — or encode text to base64 — instantly in your browser.

Converters & Everyday

Pascal to PSI Converter

Use this free Pascal to PSI converter to change a pressure in pascals into pounds per square inch (PSI), or to change PSI back into pascals.

Converters & Everyday

PPI Calculator

Use this free PPI calculator to find the pixels per inch of any screen.

Converters & Everyday

Resistor Color Code Calculator

Use this free resistor color code calculator to read the coloured bands on a resistor and find its resistance in ohms, its tolerance, and — for 6-band...

Converters & Everyday

Months Between Dates Calculator

Count months, days, weeks, and hours between two dates.

Converters & Everyday

Pounds to Stone Converter

Convert pounds to stone, kilograms, and grams — and back.

Converters & Everyday

Bandwidth Calculator

Work out download times and data use from any connection speed.

Converters & Everyday

Troy Ounces to Grams Converter

Convert troy ounces to grams, ounces, kilograms, and grains.

Converters & Everyday

Humidity Calculator

Find relative humidity, absolute humidity and dew point from temperature and moisture.

Converters & Everyday

Data Usage Calculator

Estimate monthly mobile and broadband data use from streaming, calls and gaming.

Converters & Everyday

Week Number Calculator

Find the ISO week number of any date, or the dates of any week.

Converters & Everyday

Altitude Calculator

Find altitude from air pressure, or pressure and boiling point from altitude.

Converters & Everyday

Clothing Size Converter

Convert clothing sizes between US, UK and EU for women, men and shoes.

Converters & Everyday

DMS to Decimal Converter

Convert degrees, minutes and seconds to decimal degrees — and back.

Converters & Everyday

Download Speed Calculator

Work out your download speed from a file size and how long it took.

Converters & Everyday

Fuel Efficiency Calculator

Find out how far your car really goes on a gallon or a litre.

Converters & Everyday

Hat Size Calculator

Find the hat that fits your head — US, UK and EU sizes from your head circumference.

Converters & Everyday

Upload Speed Calculator

Find out how long a file will take to upload or download.

File & PDF Tools (43 tools)

File & PDF Tools

Compress Image to 50KB

Shrink any JPG, PNG, or WebP to 50KB — or 20KB, 100KB, 200KB, or your own target.

File & PDF Tools

CSV to XML Converter

Paste CSV or upload a .csv file and get clean XML — custom delimiters, headers, pretty print, .xml download.

File & PDF Tools

DOCX to TXT Converter

Upload a .docx file and get clean plain text — paragraphs kept, tables flattened, copy or download .txt.

File & PDF Tools

PNG to JPG Converter

Convert PNG images to JPG format right in your browser.

File & PDF Tools

JSON to CSV Converter

Turn JSON data into a CSV spreadsheet file in seconds.

File & PDF Tools

SVG to JPG Converter

Turn SVG graphics into JPG images with a background colour of your choice.

File & PDF Tools

WAV to MP3 Converter

Convert WAV audio to MP3 right in your browser.

File & PDF Tools

WebP to GIF Converter

Turn WebP images into GIFs without uploading anything.

File & PDF Tools

XML to JSON Converter

Convert XML data to JSON instantly, with validation.

File & PDF Tools

XML Validator

Check XML for errors and pretty-print it in your browser.

File & PDF Tools

CSV to PDF Converter

Turn a CSV file into a formatted PDF table in your browser.

File & PDF Tools

GIF to JPG Converter

Convert GIF images to JPG, PNG, or WebP in your browser.

File & PDF Tools

YAML to JSON Converter

Convert YAML data to JSON instantly, in your browser.

File & PDF Tools

XML to CSV Converter

Turn XML data into a CSV spreadsheet in seconds.

File & PDF Tools

JSON to XML Converter

Free JSON to XML converter in your browser.

File & PDF Tools

GIF to WebP Converter

Free GIF to WebP converter in your browser.

File & PDF Tools

Round Image Corners

Free round image corners tool in your browser.

File & PDF Tools

ICO to PNG Converter

Convert ICO icon files to PNG images, right in your browser.

File & PDF Tools

Excel to CSV Converter

Convert Excel spreadsheets to CSV files with your choice of delimiter.

File & PDF Tools

BMP to JPG Converter

Convert BMP images to JPG with quality and resize controls.

File & PDF Tools

JPG to AVIF Converter

Convert JPG images to the smaller AVIF format, free and in your browser.

File & PDF Tools

JSON to YAML Converter

Convert JSON to YAML in your browser.

File & PDF Tools

JSON to PDF Converter

Turn JSON data into a formatted PDF.

File & PDF Tools

SVG Compressor

Shrink SVG files by removing comments and extra precision.

File & PDF Tools

TSV to CSV Converter

Convert tab-separated data to CSV in your browser — paste or upload a file.

File & PDF Tools

Photo Size Calculator

Find print size from photo pixels and DPI, or the pixels a print size needs.

File & PDF Tools

YAML to XML Converter

Convert YAML to XML in your browser — paste or upload, no sign-up.

File & PDF Tools

PNG to PDF Converter

Turn PNG images into a PDF, several images per page, right in your browser.

File & PDF Tools

MP3 to WAV Converter

Convert MP3 audio to WAV files in your browser — no uploads.

File & PDF Tools

AVIF to JPG Converter

Convert AVIF images to JPG with a quality slider, in your browser.

File & PDF Tools

PNG to ICO Converter

Turn a PNG image into a Windows .ico icon file, in 16, 32, 48, or 64 px.

File & PDF Tools

PNG to WebP Converter

Convert PNG images to smaller WebP files with a quality slider, right in your browser.

File & PDF Tools

JPEG to PNG Converter

Convert JPEG photos to PNG images with no upload — files stay in your browser.

File & PDF Tools

TXT to PDF Converter

Turn plain text into a real PDF file, right in your browser.

File & PDF Tools

Rotate Image Online

Rotate any image 90°, 180°, or by a custom angle and download it.

File & PDF Tools

Blur Image Online

Blur an image with an adjustable slider and download the result.

File & PDF Tools

Image Flipper

Flip an image horizontally or vertically in one click.

File & PDF Tools

CSV to Excel Converter

Convert a CSV file into a real Excel spreadsheet (.xlsx).

File & PDF Tools

Audio Joiner Online

This free audio joiner online merges two or more MP3 and WAV files into one audio file, right in your browser.

File & PDF Tools

Pixelate Image

This free pixelate image tool turns a photo into big, chunky blocks of color in your browser.

File & PDF Tools

Invert Image Colors

Flip any image into a photographic negative, right in your browser.

File & PDF Tools

Image Color Extractor

Pull the dominant colours out of any image, with HEX and RGB values.

File & PDF Tools

Grayscale Image Converter

Turn any photo black and white in your browser and download the result.

Finance & Money (105 tools)

Finance & Money

Bike Insurance Premium Calculator

Enter your motorcycle's value, coverage type, rider age and experience to estimate your annual and monthly premium.

Finance & Money

Freelance Rate Calculator

Turn a target salary into your hourly, daily, weekly, and project rate, with overhead, taxes, and billable hours built in.

Finance & Money

401k Calculator

Estimate how your 401(k) retirement savings can grow over time.

Finance & Money

CD Calculator

See how much a certificate of deposit can earn by maturity.

Finance & Money

Refinance Calculator

Compare your current mortgage with a refinance and check savings.

Finance & Money

APR Calculator

Calculate the true annual percentage rate of a loan.

Finance & Money

Dividend Calculator

Estimate dividend income and reinvestment growth on stocks.

Finance & Money

ROI Calculator

Measure the return on any investment in dollars and percent.

Finance & Money

IRA Calculator

Project how a traditional IRA can grow from yearly contributions.

Finance & Money

Federal Income Tax Calculator

Estimate your 2026 federal tax, taxable income and effective rate.

Finance & Money

529 Calculator

See how a 529 college savings plan can grow over the years.

Finance & Money

Salary Hike (Raise) Calculator

Turn a raise percentage into your new salary, per year and per month.

Finance & Money

Child Support Calculator

Estimate monthly child support from both parents' incomes.

Finance & Money

Markup Calculator

Find selling price, profit and margin from cost and markup.

Finance & Money

Cap Rate Calculator

Work out a rental property's capitalization rate from its income.

Finance & Money

Pension Calculator

Estimate your yearly and monthly pension from salary and service.

Finance & Money

PMI Calculator

Find your LTV, down payment and monthly mortgage insurance.

Finance & Money

Roth Conversion Calculator

Compare converting an IRA to Roth versus leaving it alone.

Finance & Money

Stock Profit Calculator

Find profit, ROI, and break-even price on any stock trade.

Finance & Money

Debt Snowball Calculator

Pay off debts smallest-first and see your debt-free date.

Finance & Money

Credit Card Minimum Payment Calculator

See how long minimum payments take to clear a card balance.

Finance & Money

Silver Price Calculator

Find the melt value of silver from weight, purity, and spot price.

Finance & Money

Overtime Pay Calculator

Work out regular pay, overtime pay, and gross pay.

Finance & Money

Balance Transfer Calculator

See how much a balance transfer saves you in interest.

Finance & Money

Electricity Cost Calculator

Work out what your appliances cost to run each month.

Finance & Money

401k Contribution Calculator

See your per-paycheck 401(k) contribution and employer match.

Finance & Money

Etsy Fee Calculator

Work out Etsy fees and your net profit per sale.

Finance & Money

Mortgage Points Calculator

See if buying mortgage points pays off, and when.

Finance & Money

Home Mortgage Calculator

See your true monthly mortgage payment with taxes, insurance, PMI and HOA, plus total interest and payoff date.

Finance & Money

Lease vs Buy Car Calculator

Compare leasing vs buying a car over the same period.

Finance & Money

Real Estate Commission Calculator

Work out agent commission on any home sale price.

Finance & Money

Profit Percentage Calculator

Find profit, markup, and margin from cost and selling price.

Finance & Money

Biweekly Mortgage Calculator

See how biweekly payments shorten a mortgage and save interest.

Finance & Money

I Bond Calculator

Project I Bond growth from fixed and inflation rates.

Finance & Money

Balloon Payment Calculator

Work out the monthly payment and balloon balance on a loan.

Finance & Money

VAT Calculator

Add or remove VAT from any price with our free VAT calculator.

Finance & Money

Stripe Fee Calculator

Work out Stripe fees instantly with our free Stripe fee calculator.

Finance & Money

Cash on Cash Return Calculator

Work out your rental's cash on cash return with our free calculator.

Finance & Money

ARM Mortgage Calculator

Work out ARM payments with our free ARM mortgage calculator.

Finance & Money

Wedding Budget Calculator

Plan your big day with our free wedding budget calculator.

Finance & Money

Rental Yield Calculator

Work out gross and net rental yield with our free rental yield calculator.

Finance & Money

Freelance Tax Calculator

Estimate self-employment tax, income tax, and quarterly payments.

Finance & Money

Car Insurance Premium Calculator

Estimate your yearly car insurance premium from your car and profile.

Finance & Money

Rent Increase Calculator

Work out a new rent after an increase, with caps and notice rules.

Finance & Money

Break Even Calculator

Find how many units you must sell to cover your costs.

Finance & Money

Flood Insurance Calculator

Estimate yearly flood insurance from your zone and coverage.

Finance & Money

Restaurant Tip Calculator

Work out the tip, total bill, and each person's share.

Finance & Money

House Flipping Calculator

Estimate profit, ROI, and the 70% rule on a flip.

Finance & Money

Water Bill Calculator

Estimate your monthly water bill from usage and rates.

Finance & Money

Estate Tax Calculator

Estimate federal estate tax and what heirs receive.

Finance & Money

Escrow Calculator

Work out your monthly escrow for taxes and insurance.

Finance & Money

Customer Acquisition Cost Calculator

Find your CAC from sales and marketing spend, plus payback and LTV ratio.

Finance & Money

Babysitting Rate Calculator

Work out fair babysitting pay from rate, hours, children, and evening multipliers.

Finance & Money

HOA Fee Calculator

Estimate monthly HOA dues itemised by expense, or as a percentage of home value.

Finance & Money

Index Fund Return Calculator

Project index fund growth from contributions, returns, and fees over time.

Finance & Money

Travel Budget Calculator

Plan a trip budget by category and see the total, per-person, and per-day cost.

Finance & Money

Shopify Profit Calculator

Find profit per order and margin on Shopify after fees, shipping, and discounts.

Finance & Money

Baby Cost Calculator

Estimate the first-year cost of a baby, month by month and in total.

Finance & Money

Home Depreciation Calculator

Work out annual rental-property depreciation and the full schedule.

Finance & Money

Photography Pricing Calculator

Price a photo session from your costs, time, and profit margin.

Finance & Money

Security Deposit Calculator

Work out a security deposit and the refund after deductions.

Finance & Money

Salary Negotiation Calculator

Compare an offer with your current pay and find your counter range.

Finance & Money

Lifetime Value Calculator

Work out customer lifetime value and the LTV to CAC ratio.

Finance & Money

Dropshipping Profit Calculator

Find profit per order and margin for a dropshipping product.

Finance & Money

Churn Calculator

Find your customer churn rate, revenue churn, and average customer lifetime.

Finance & Money

Tax Refund Calculator

Estimate your federal tax refund (or amount owed) from income and withholding.

Finance & Money

Future Value Calculator

See what a lump sum plus monthly contributions grows to over time.

Finance & Money

Annuity Calculator

Work out the future value of an annuity or the payout from a lump sum.

Finance & Money

eBay Fee Calculator

Work out eBay final value and processing fees and your net proceeds.

Finance & Money

Hourly to Salary Calculator

Turn an hourly rate into an annual, monthly, and weekly salary.

Finance & Money

Credit Card Interest Calculator

See how much interest a fixed monthly payment costs and when the card is paid off.

Finance & Money

Capital Gains Tax Calculator

Estimate tax on short-term and long-term capital gains with 2026 rates.

Finance & Money

Gold Price Calculator

Price gold by karat and weight, and value scrap gold, with an editable spot price.

Finance & Money

Motorcycle Loan Calculator

Work out monthly payments, interest, and total cost for a motorcycle loan.

Finance & Money

Take Home Salary Calculator

See your take-home pay after federal tax, FICA, and state tax, per paycheck.

Finance & Money

Home Insurance Calculator

Estimate homeowners insurance premiums by home value, risk, and deductible.

Finance & Money

Self Employment Tax Calculator

Work out the 15.3% self-employment tax on net earnings, with the deductible half.

Finance & Money

Health Insurance Premium Calculator

Estimate monthly health insurance premiums by age, plan tier, and state.

Finance & Money

401k Withdrawal Calculator

Work out what a 401(k) withdrawal is worth after taxes and penalties.

Finance & Money

IRR Calculator

Find the internal rate of return of any investment from its cash flows.

Finance & Money

Stock Average Calculator

Average down your stock cost basis across multiple buys.

Finance & Money

Rental Property Calculator

Analyse a rental property’s cash flow, cap rate, and cash-on-cash return.

Finance & Money

Diamond Price Calculator

Estimate a diamond’s price from carat, cut, colour, and clarity.

Finance & Money

Crypto Profit Calculator

Work out your crypto profit or loss after fees, in dollars and percent.

Finance & Money

Construction Loan Calculator

Estimate interest-only payments during construction and the mortgage after.

Finance & Money

Credit Score Simulator

See how everyday actions could move your credit score up or down.

Finance & Money

Emergency Fund Calculator

Work out how much emergency fund you need — and how fast to build it.

Finance & Money

NPV Calculator

Use this free NPV calculator to work out the net present value of a project or investment.

Finance & Money

Capital Gains Calculator

Use this free capital gains calculator to work out the profit or loss on a share sale.

Finance & Money

DSCR Calculator

Use this free DSCR calculator to work out your debt service coverage ratio — the number lenders check first on a property or business loan.

Finance & Money

Loan Against Property Calculator

Use this free loan against property calculator to see how much you can borrow against a home, shop, or plot of land.

Finance & Money

Loan Prepayment Calculator

Use this free loan prepayment calculator to see what paying extra on any loan is really worth.

Finance & Money

Purchasing Power Calculator

Use this free purchasing power calculator to see what your money will really be worth in the future.

Finance & Money

Savings Goal Calculator

Use this free savings goal calculator to turn a savings target into a plan.

Finance & Money

Quarterly Tax Calculator

Estimate your federal tax and split it into four quarterly payments.

Finance & Money

SEP IRA Calculator

Work out your SEP IRA contribution and projected retirement balance.

Finance & Money

Total Cost of Ownership Calculator

Add up purchase price, fuel, insurance, maintenance and resale to find a vehicle's true cost.

Finance & Money

Pet Insurance Calculator

Estimate monthly pet insurance premiums by pet type, age, size and coverage.

Finance & Money

Electric Car Savings Calculator

Compare an electric car with a petrol car — fuel costs, savings and break-even.

Finance & Money

Net Worth Calculator Online

Add up your assets and debts to find your net worth in seconds.

Finance & Money

Stamp Duty Calculator

Work out property stamp duty for the UK, Australia, India, or any custom rate — with a full breakdown.

Finance & Money

Leave Encashment Calculator

Calculate the payout for unused leave days from your salary, with a tax deduction and net amount.

Finance & Money

Credit Card EMI Calculator

Turn a credit-card purchase into monthly installments — EMI, total interest, and a full amortisation table.

Finance & Money

Income Tax Slab Calculator

Calculate tax by brackets with the 2026 preset or your own editable slabs, for any filing status.

Finance & Money

RD Calculator

Plan a recurring deposit or regular monthly savings — maturity value, interest earned, and growth chart.

Finance & Money

Retirement Savings Calculator

See how your nest egg grows between now and retirement.

Generators & Text Tools (136 tools)

Generators & Text Tools

Haiku Generator

Create a true 5-7-5 haiku in nature, seasons, city, or love themes — every line syllable-checked.

Generators & Text Tools

Meta Tag Generator

Build SEO title, description, Open Graph, and Twitter card tags in seconds, with a live search preview.

Generators & Text Tools

Remove Duplicate Lines

Paste your text, keep the first copy of each line, and copy or download the clean, unique list.

Generators & Text Tools

Rhyming Words Finder

Type any word and get perfect and near rhymes instantly, with syllable and result-count filters.

Generators & Text Tools

SHA-1 Generator

Hash text or a file in your browser and get the 40-character SHA-1 checksum instantly.

Generators & Text Tools

Strikethrough Text Generator

Cross out text with Unicode strikethrough, double strike, slash, or tilde styles.

Generators & Text Tools

WiFi Password Generator

Generate a strong, random WiFi password — choose 8–63 characters, letters, numbers and symbols.

Generators & Text Tools

Word Frequency Counter

Paste any text to count words, find the most used words, and see a frequency chart with counts and percentages.

Generators & Text Tools

Writing Prompt Generator

Pick a genre and get an original story prompt with a character, setting, conflict, and twist.

Generators & Text Tools

Zalgo Text Generator

Turn plain text into creepy glitched zalgo text with adjustable intensity.

Generators & Text Tools

Sentence Counter

Count sentences, words, and characters in any text instantly.

Generators & Text Tools

UUID Generator

Generate random unique IDs (UUIDs) for apps and databases.

Generators & Text Tools

Random Animal Generator

Get a random animal with a fun fact for games and ideas.

Generators & Text Tools

Attendance Calculator

Work out your attendance percentage and how many classes you can miss.

Generators & Text Tools

Instagram Bio Generator

Generate a ready-to-copy Instagram bio from your name and niche.

Generators & Text Tools

Friendship Calculator

Get a fun friendship score for two names — just for fun.

Generators & Text Tools

Regex Tester

Test regular expressions live and see every match.

Generators & Text Tools

WiFi QR Code Generator

Make a QR code that connects any phone to your WiFi.

Generators & Text Tools

Schema Markup Generator

Generate valid JSON-LD schema markup for your pages.

Generators & Text Tools

Band Name Generator

Get five band name ideas in rock, metal, indie, and more.

Generators & Text Tools

Character Name Generator

Generate character names for modern, fantasy, and sci-fi stories.

Generators & Text Tools

Cover Letter Generator

Write a tailored cover letter from your job details in seconds.

Generators & Text Tools

Gamertag Generator

Generate cool, funny, and fantasy gamertags for your next game.

Generators & Text Tools

Superhero Name Generator

Create a superhero name, alias, and power from your choices.

Generators & Text Tools

Random Date Generator

Pick random dates between any two dates, in any format.

Generators & Text Tools

Town Name Generator

Generate town names for stories, games, and world-building.

Generators & Text Tools

Rap Name Generator

Get a rap stage name in classic, trap, or funny styles.

Generators & Text Tools

Receipt Generator

Build a clean, printable receipt with items, tax, and tip.

Generators & Text Tools

Random Number Generator

Draw random numbers in any range, with or without duplicates.

Generators & Text Tools

Small Text Generator

Convert text to small caps or superscript tiny text.

Generators & Text Tools

Wedding Hashtag Generator

Create a wedding hashtag from your names and date.

Generators & Text Tools

YouTube Name Generator

Generate catchy YouTube channel name ideas by niche.

Generators & Text Tools

Podcast Name Generator

Generate podcast name ideas by topic and tone.

Generators & Text Tools

Dog Name Generator

Find the perfect name for your dog by gender and style.

Generators & Text Tools

Quote Generator

Get a famous quote for motivation, success, and life.

Generators & Text Tools

Upside Down Text Generator

Flip your text upside down with Unicode characters.

Generators & Text Tools

Villain Name Generator

Generate villain names in classic, sci-fi, fantasy, and modern styles.

Generators & Text Tools

Restaurant Name Generator

Generate restaurant names by cuisine, from Italian to café.

Generators & Text Tools

Rent Receipt Generator

Create a printable rent receipt with landlord, tenant, and amount.

Generators & Text Tools

Reading Time Calculator

Find how long any text takes to read or speak aloud.

Generators & Text Tools

Cat Name Generator

Generate cat names by sex and style — cute, classic, or funny.

Generators & Text Tools

Instagram Name Generator

Generate Instagram handles from any keyword, in four styles.

Generators & Text Tools

Italic Text Generator

Turn plain text into italic Unicode text for bios and posts.

Generators & Text Tools

Pet Name Generator

Find the perfect name for your new best friend.

Generators & Text Tools

Random Sentence Generator

Create random sentences in seconds.

Generators & Text Tools

Remove Line Breaks

Remove line breaks from any text in seconds.

Generators & Text Tools

HTML Decoder

Decode HTML entities instantly — & to &, © to ©, and more.

Generators & Text Tools

Paragraph Counter

Count paragraphs, sentences, words, and characters instantly.

Generators & Text Tools

LinkedIn Headline Generator

Write a LinkedIn headline that gets noticed.

Generators & Text Tools

Bcrypt Generator

Hash passwords with bcrypt in your browser.

Generators & Text Tools

HTML Table Generator

Build clean HTML tables with headers, captions, and styling in seconds.

Generators & Text Tools

Random Paragraph Generator

Generate random paragraphs for mockups, writing practice, and testing.

Generators & Text Tools

Invisible Character Copy

Copy invisible characters and find hidden ones in your text.

Generators & Text Tools

MD5 Generator Online

Generate MD5 hashes from text or files, instantly and in your browser.

Generators & Text Tools

JSON Minifier

Minify or beautify JSON and see the bytes saved.

Generators & Text Tools

Box Shadow Generator

Build CSS box shadows with a live preview and copy the code.

Generators & Text Tools

Pixel Art Generator

Draw pixel art on a grid and download it as a PNG.

Generators & Text Tools

vCard QR Code Generator

Make a QR code that shares your contact details.

Generators & Text Tools

ISBN Barcode Generator

Generate a real EAN-13 barcode from any ISBN.

Generators & Text Tools

PIN Generator

Generate secure random PIN codes of any length, with no repeats or sequences.

Generators & Text Tools

Quotation Generator

Build a professional price quotation with line items, tax, and totals.

Generators & Text Tools

Urdu Keyboard Online

Type in Urdu with an on-screen keyboard, then copy or download your text.

Generators & Text Tools

Guitar Chord Finder

Find any guitar chord with fingering diagrams, notes, and barre voicings.

Generators & Text Tools

DJ Name Generator

Generate DJ names by style — EDM, house, techno, hip-hop, and more.

Generators & Text Tools

NDA Generator

Create a non-disclosure agreement from your details and download it.

Generators & Text Tools

Birthday Wish Generator

Generate birthday wishes by tone and relationship, ready to copy.

Generators & Text Tools

Pig Latin Translator

Translate English to Pig Latin and back, instantly.

Generators & Text Tools

Border Radius Generator

Design rounded corners with a live preview and copy the CSS.

Generators & Text Tools

Birthstone Finder

Find your birthstone by month or birth date, with its meaning.

Generators & Text Tools

OTP Generator Online

Generate one-time passcodes of any length, securely in your browser.

Generators & Text Tools

Wedding Planner Printable

Plan your wedding with a 12-month checklist, budget tracker, and printout.

Generators & Text Tools

Resignation Letter Generator

Write a professional resignation letter in minutes.

Generators & Text Tools

Kanban Board

A simple kanban board to organize tasks, saved in your browser.

Generators & Text Tools

Random Emoji Generator

Generate random emojis by category, ready to copy.

Generators & Text Tools

Wide Text Generator

Convert text to wide fullwidth characters and back.

Generators & Text Tools

Leet Speak Translator

Translate text to and from leet speak (1337).

Generators & Text Tools

Days Until Birthday

Count down the days until your next birthday — and see the age you will turn.

Generators & Text Tools

Logo Size Guide

Find the right logo dimensions for every platform, plus an aspect-ratio scaler.

Generators & Text Tools

Morse Code Translator

Translate text to Morse code and back, with audio playback.

Generators & Text Tools

How Old Am I

Find your exact age in years, months, and days from your birth date.

Generators & Text Tools

Numerology Calculator

Find your Life Path, Destiny, and Soul Urge numbers from name and birth date.

Generators & Text Tools

Random Letter Generator

Generate random letters with vowel, case, and no-repeat options.

Generators & Text Tools

YouTube Thumbnail Size

Check your thumbnail is the right 1280×720 size and 16:9 ratio.

Generators & Text Tools

Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, and more.

Generators & Text Tools

Random Color Generator

Generate random colors and palettes with hex, RGB, and HSL values.

Generators & Text Tools

Random Team Generator

Split a list of names into fair, shuffled teams in seconds.

Generators & Text Tools

UPC Barcode Generator

Create a scannable UPC-A barcode from 11 or 12 digits and download it as PNG.

Generators & Text Tools

Dead Pixel Test

Test your screen for dead or stuck pixels with fullscreen color slides.

Generators & Text Tools

Free Fire Name Generator

Generate stylish, pro, and funny Free Fire names with symbols.

Generators & Text Tools

URL Decoder

Decode percent-encoded URLs and encode text back, right in your browser.

Generators & Text Tools

Horoscope Online

Get your free daily horoscope by zodiac sign.

Generators & Text Tools

YouTube Title Generator

Generate clickable YouTube video titles for any topic.

Generators & Text Tools

Team Name Generator

Generate fun, fierce, or professional team names in one click.

Generators & Text Tools

Fancy Font Generator

Turn plain text into fancy Unicode fonts to copy and paste.

Generators & Text Tools

Nickname Generator

Generate cute, cool, or funny nicknames for anyone.

Generators & Text Tools

ChatGPT Prompts

Ready-made ChatGPT prompts for writing, coding, business, and learning.

Generators & Text Tools

Text to Binary

Convert text to binary code — or binary back to text.

Generators & Text Tools

Big Five Personality Test

Take this free Big Five personality test and discover your scores for openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Generators & Text Tools

Robots.txt Generator

Build a robots.txt file for your website in seconds with this free robots.txt generator.

Generators & Text Tools

Backwards Text Generator

Flip any text backwards in seconds with this free backwards text generator, also known as a reverse text generator.

Generators & Text Tools

Metronome Online

Use this free metronome online to keep perfect time while you practise.

Generators & Text Tools

Speaking Time Calculator

Find out how long your speech takes to say with this free speaking time calculator.

Generators & Text Tools

CSS Grid Generator

Build a CSS grid visually with this free CSS grid generator.

Generators & Text Tools

ASCII Art Generator

Turn words into big ASCII art letters in four styles.

Generators & Text Tools

Birthday Card Maker Online

Design a birthday card with themes and download it as a PNG.

Generators & Text Tools

IQ Test for Kids

A fun 10-question brain quiz for kids — not a clinical test.

Generators & Text Tools

Random String Generator

Generate random strings of any length from letters, digits, and symbols.

Generators & Text Tools

Visiting Card Maker Online

Design a business visiting card and download it as a PNG.

Generators & Text Tools

Yes No Oracle

Ask a yes or no question and let the oracle decide.

Generators & Text Tools

Flexbox Generator

Build CSS flexbox layouts live and copy the code.

Generators & Text Tools

Markdown Table Generator

Build markdown tables with alignment and download the .md file.

Generators & Text Tools

Blog Title Generator

Generate catchy blog titles by topic, tone, and style.

Generators & Text Tools

JWT Decoder Online

Decode any JWT to read its header and payload — no signature check.

Generators & Text Tools

API Key Generator

Generate secure API keys in hex, base64, alphanumeric, or UUID form.

Generators & Text Tools

ASCII to Text

Convert ASCII codes to text in decimal or hex, instantly.

Generators & Text Tools

Cron Expression Generator

Build cron expressions and see them in plain English.

Generators & Text Tools

Mouse Test Online

Test your clicks per second (CPS) in 5 or 10 seconds.

Generators & Text Tools

Font Pairing Generator

Find heading and body font pairs that look great together.

Generators & Text Tools

Palindrome Checker

Check if any word or phrase reads the same forwards and backwards.

Generators & Text Tools

Chinese Zodiac Calculator

Find your Chinese zodiac animal and element from your birth year.

Generators & Text Tools

Love Language Quiz

A fun 10-question quiz to find your love language.

Generators & Text Tools

Venn Diagram Maker

Build 2- or 3-circle Venn diagrams from your own sets and download them as PNG.

Generators & Text Tools

CSS Minifier

Shrink CSS by removing comments and whitespace, with before and after sizes.

Generators & Text Tools

Acronym Generator

Turn any phrase into an acronym, or expand an acronym into words.

Generators & Text Tools

What Is My Browser

See your browser, version, operating system and screen details instantly.

Generators & Text Tools

Bar Graph Maker Online

Make a bar graph from your data and download it as a PNG image.

Generators & Text Tools

JWT Generator

Create a signed JSON Web Token (HS256) right in your browser.

Generators & Text Tools

Passphrase Generator

Generate a strong, memorable passphrase from random words.

Generators & Text Tools

SHA256 Generator

Hash any text or file with SHA-256, free and private.

Generators & Text Tools

Habit Tracker Online

Track daily habits, build streaks and see your progress week by week.

Generators & Text Tools

Memory Test Online

Test your memory with a growing number sequence — how far can you go?

Generators & Text Tools

Lease Agreement Generator

Create a plain-English residential lease agreement from your details.

Generators & Text Tools

Love Calculator

Enter two names to get a love compatibility score, verdict, and lucky number.

Generators & Text Tools

Certificate Generator Online

Make a printable achievement certificate and download it as a PNG.

Generators & Text Tools

Salary Slip Generator

Build a clean, printable payslip with earnings, deductions, and net pay — no sign-up, nothing uploaded.

Generators & Text Tools

Qibla Direction Finder

Find the direction of the Kaaba from anywhere in the world, with a compass, bearing, and distance.

Home & Construction (91 tools)

Home & Construction

Backsplash Tile Calculator

Enter your wall size and tile size to get tiles needed, boxes to buy, and a grout estimate — with waste included.

Home & Construction

Coffee Ratio Calculator

Pick your brew method, enter coffee or water weight, and get the perfect coffee-to-water ratio in grams, ounces, or cups.

Home & Construction

Crown Molding Calculator

Enter room size, molding size, corners and waste to get linear feet, pieces to buy, and estimated cost by material.

Home & Construction

Gutter Calculator

Enter roof area, rainfall intensity and gutter length to get the right gutter size, downspouts needed, and estimated cost.

Home & Construction

Home Renovation Cost Calculator

Pick a project type, size and finish level to get a low-high cost range with a per-sq-ft breakdown.

Home & Construction

Joist Calculator

Enter span, spacing, loads and species to find the required floor joist size and max span, based on published design values.

Home & Construction

Knitting Gauge Calculator

Turn your gauge swatch into cast-on stitches, rows needed, and a yarn estimate for any project.

Home & Construction

Seed Calculator

Pick a vegetable, enter row length and rows, and get seeds needed, packets to buy, and expected plants after germination.

Home & Construction

Gravel Calculator

Estimate gravel needed for driveways, paths, and patios.

Home & Construction

Asphalt Calculator

Calculate asphalt tonnage for driveways and parking areas.

Home & Construction

Board Foot Calculator

Figure board feet for lumber projects and pricing.

Home & Construction

Tile Calculator

Work out how many tiles and boxes your floor or wall needs.

Home & Construction

Stair Calculator

Work out risers, riser height, treads, and total run for stairs.

Home & Construction

Roof Pitch Calculator

Find roof pitch, angle, and slope from rise and run.

Home & Construction

Drywall Calculator

Find how many drywall sheets, screws, and compound you need.

Home & Construction

Sand Calculator

Find cubic yards, tons, and bags of sand for any area.

Home & Construction

Wallpaper Calculator

Find how many wallpaper rolls cover your walls.

Home & Construction

Deck Calculator

Plan a deck: boards, joists, and square footage.

Home & Construction

Brick Calculator

Find how many bricks and mortar bags a wall needs.

Home & Construction

Pool Volume Calculator

Find how many gallons your pool holds, by shape and depth.

Home & Construction

BTU Calculator

Work out the heating and cooling BTU your room needs.

Home & Construction

Sod Calculator

Estimate sod rolls or pallets for any lawn, with waste included.

Home & Construction

Rafter Calculator

Find rafter length, ridge height, and birdsmouth cuts for any roof.

Home & Construction

Tank Volume Calculator

Find the capacity of any tank — and how much is filled.

Home & Construction

Soap Calculator

Work out lye and water for cold-process soap recipes.

Home & Construction

Siding Calculator

Estimate siding squares, boxes, and pieces for any wall.

Home & Construction

Rebar Calculator

Calculate rebar length, bars, and weight for slabs and footings.

Home & Construction

Carpet Calculator

Work out carpet area, strips, and seams for any room.

Home & Construction

Flooring Calculator

Estimate flooring boxes and planks or tiles for a room.

Home & Construction

Insulation Calculator

Work out how many bags, batts, or kits insulate a space.

Home & Construction

Stud Calculator

Count wall studs and plate lumber for any wall length.

Home & Construction

Compost Calculator

Work out the right greens-to-browns mix for compost.

Home & Construction

Furnace Size Calculator

Find the right furnace BTU size for your home.

Home & Construction

Aquarium Calculator

Work out aquarium gallons, glass, and fish capacity.

Home & Construction

Roof Shingle Calculator

Estimate shingle bundles and squares for any roof.

Home & Construction

Pool Chemical Calculator

Work out chlorine, pH, and alkalinity doses for your pool.

Home & Construction

Window Replacement Cost Calculator

Estimate the cost of replacing windows in your home.

Home & Construction

Raised Bed Soil Calculator

Work out soil, compost, and bags for a raised bed.

Home & Construction

Fertilizer Calculator

Find how much fertilizer your lawn or garden needs.

Home & Construction

Concrete Footing Calculator

Work out concrete volume and bag counts for any footing.

Home & Construction

Retaining Wall Calculator

Find blocks, cap, gravel, and cost for a retaining wall.

Home & Construction

Lumber Calculator

Work out board feet and cost for any lumber list.

Home & Construction

Kitchen Remodel Cost Calculator

Estimate a kitchen remodel from size and finish level.

Home & Construction

AC Tonnage Calculator

Size your air conditioner with our AC tonnage calculator.

Home & Construction

Firewood Calculator

Work out how much firewood you have with our firewood calculator.

Home & Construction

Resin Calculator

Find how much resin you need with our resin calculator.

Home & Construction

Baseboard Calculator

Figure out how many baseboards you need with our baseboard calculator.

Home & Construction

Deck Cost Calculator

Estimate your deck cost with our deck cost calculator.

Home & Construction

Pizza Dough Calculator

Scale pizza dough by flour, water, salt, and yeast for any number of pizzas.

Home & Construction

Sourdough Calculator

Work out flour, water, starter, and salt for the perfect sourdough loaf.

Home & Construction

Quilt Calculator

Find fabric yardage, blocks, backing, and binding for any quilt size.

Home & Construction

Fabric Yardage Calculator

Work out how much fabric you need for any sewing project.

Home & Construction

Candle Wax Calculator

Find wax, fragrance, and wicks for handmade candles in any jar.

Home & Construction

Bathroom Remodel Cost Calculator

Estimate the cost of a bathroom remodel by size and finish.

Home & Construction

Yarn Calculator

Find how much yarn your knitting or crochet project needs.

Home & Construction

Turkey Cooking Time Calculator

Cooking time, thawing time, and done-by time for any turkey.

Home & Construction

Recipe Scaler

Scale any recipe up or down by servings or factor.

Home & Construction

Fence Post Calculator

Posts, panels, rails, and concrete for any fence run.

Home & Construction

Storage Unit Size Calculator

Find the right storage unit size for your rooms and boxes.

Home & Construction

Towing Capacity Calculator

Check if your vehicle can safely tow a trailer.

Home & Construction

Countertop Calculator

Countertop area and cost for any material and layout.

Home & Construction

Generator Size Calculator

Size a generator from your appliances' running and starting watts.

Home & Construction

Bread Hydration Calculator

Find water, salt, and starter weights for any hydration level from your flour.

Home & Construction

Pipe Size Calculator

Find the right pipe diameter from flow rate and velocity, with friction loss.

Home & Construction

Lawn Seed Calculator

Work out how much grass seed your lawn needs, by area and grass type.

Home & Construction

Book Spine Calculator

Work out a book's spine width from pages and paper thickness.

Home & Construction

Packing Calculator

Estimate boxes, tape, and wrap for your move.

Home & Construction

Curtain Size Calculator

Work out curtain width, length, and fabric for any window.

Home & Construction

Shed Size Calculator

Find the right shed size for your tools, bikes, and mower.

Home & Construction

Egg Timer

A simple egg timer with soft, medium, and hard presets.

Home & Construction

Lotion Calculator

Formulate a DIY lotion batch with exact grams for each phase.

Home & Construction

Patio Cost Calculator

Estimate patio cost by size, material, and finish.

Home & Construction

Chicken Coop Calculator

Size a chicken coop and run for your flock.

Home & Construction

Sprinkler Calculator

Work out sprinkler heads, zones, and water use for your lawn.

Home & Construction

Garage Size Calculator

Find the right garage size for your vehicles and storage.

Home & Construction

Pergola Calculator

Estimate lumber and cost for a backyard pergola.

Home & Construction

Candle Burn Time Calculator

Work out how long a candle will burn from its wax and wick.

Home & Construction

Snow Removal Calculator

Estimate snow volume, weight, clearing time, and de-icer for your driveway.

Home & Construction

Concrete Calculator

Work out concrete volume, bag counts, and cost for slabs, footings, and walls.

Home & Construction

Mulch Calculator

Work out how much mulch you need in cubic yards or bags, and what it costs.

Home & Construction

Paint Calculator

Work out how much paint, primer, and money a room needs, coats included.

Home & Construction

Roofing Calculator

Estimate roof area, shingle bundles, underlayment, and cost from footprint and pitch.

Home & Construction

Solar Panel Calculator

Size a solar panel system from your usage, with panels, cost, and payback.

Home & Construction

Paver Calculator

Count pavers, gravel, sand, and edging for a patio or driveway, with cost.

Home & Construction

Moving Cost Calculator

Estimate your moving costs for local and long-distance moves.

Home & Construction

Tire Pressure Calculator

This free tire pressure calculator finds the recommended tire pressure for your vehicle, adjusts it for the load you are carrying and the temperature...

Home & Construction

Projector Throw Calculator

Find the right projector distance for any screen size and throw ratio.

Home & Construction

TV Distance Calculator

Find the best viewing distance for any TV size and resolution, or the right TV size for your sofa.

Home & Construction

Oil Change Cost Calculator

Work out the cost of an oil change by oil type, capacity, filter and labour — DIY or garage.

Home & Construction

Hardwood Floor Cost Calculator

Estimate hardwood flooring costs — materials, labour and boxes.

Home & Construction

Registration Charges Calculator

Work out property registration charges from the value, rate, and fixed fees — with the effective rate.

Health, Fitness & Education (66 tools)

Health, Fitness & Education

Cat Pregnancy Calculator

Enter the mating date and get the expected due date, a 63–65 day window, and week-by-week milestones.

Health, Fitness & Education

Cholesterol Calculator

Enter total cholesterol, HDL, LDL, and triglycerides in mg/dL or mmol/L to get your ratios, non-HDL cholesterol, and ATP III category.

Health, Fitness & Education

Fiber Intake Calculator

Enter your age, sex, and daily calories to get your recommended daily fiber in grams, plus high-fiber foods.

Health, Fitness & Education

GRE Score Calculator

Convert old GRE scores (200–800) to the new 130–170 scale, with percentile estimates and total score.

Health, Fitness & Education

Period Calculator

Predict your next period and fertile window from your cycle.

Health, Fitness & Education

Bench Press Calculator

Estimate your one-rep max and training weights.

Health, Fitness & Education

SAT Score Calculator

Convert raw SAT section scores to the 400–1600 scale.

Health, Fitness & Education

Puppy Weight Calculator

Estimate your puppy's adult weight from its age and weight.

Health, Fitness & Education

Water Intake Calculator

Find your daily water intake from weight and activity.

Health, Fitness & Education

FFMI Calculator

Measure fat-free mass index and see where you stand.

Health, Fitness & Education

Body Fat Percentage Calculator

Estimate body fat with the US Navy method or a BMI estimate.

Health, Fitness & Education

Golf Handicap Calculator

Work out your WHS handicap index from your last 20 rounds.

Health, Fitness & Education

Face Shape Finder

Find your face shape from four simple measurements.

Health, Fitness & Education

Weighted GPA Calculator

Calculate your weighted and unweighted GPA from your courses.

Health, Fitness & Education

ACT Score Calculator

Turn four ACT section scores into your composite score.

Health, Fitness & Education

LSAT Score Calculator

Estimate your LSAT scaled score from your raw score.

Health, Fitness & Education

Steps to Calories Calculator

Turn your daily steps into calories burned and distance.

Health, Fitness & Education

Caffeine Calculator

See how much caffeine is still in your system right now.

Health, Fitness & Education

Dog Pregnancy Calculator

Work out your dog's due date and whelping window.

Health, Fitness & Education

Fantasy Points Calculator

Calculate fantasy points for NFL, NBA, MLB, and soccer.

Health, Fitness & Education

Deadlift Calculator

Estimate your one-rep max deadlift from any set.

Health, Fitness & Education

Mental Age Calculator

Take a quick 10-question quiz and estimate your mental age.

Health, Fitness & Education

Metabolic Age Calculator

Estimate your metabolic age from BMR, age, and activity.

Health, Fitness & Education

Intermittent Fasting Calculator

Plan your fast with our free intermittent fasting calculator.

Health, Fitness & Education

Fat Intake Calculator

Work out how many grams of fat to eat each day with our free fat intake calculator.

Health, Fitness & Education

Jet Lag Calculator

Estimate how long jet lag will last with our free jet lag calculator.

Health, Fitness & Education

Sleep Debt Calculator

Find out how much sleep you owe with our free sleep debt calculator.

Health, Fitness & Education

GPA to Percentage Calculator

Convert GPA to a percentage on 4.0, 5.0, and 10-point scales.

Health, Fitness & Education

GMAT Score Calculator

Estimate your GMAT total score from quant, verbal, and data insights.

Health, Fitness & Education

Wilks Calculator

Find your Wilks score from bodyweight and total lifted.

Health, Fitness & Education

Pet Age Calculator

Convert your pet's age to human years.

Health, Fitness & Education

Weight Loss Percentage Calculator

Track your weight-loss percentage and time to goal.

Health, Fitness & Education

Nap Calculator

Find the best nap start and wake times in sleep cycles.

Health, Fitness & Education

Bike Frame Size Calculator

Find your road, mountain, or hybrid frame size.

Health, Fitness & Education

Horse Feed Calculator

Work out daily hay, grain, and water for your horse by weight and workload.

Health, Fitness & Education

Horse Weight Calculator

Estimate a horse's weight from heart girth and body length.

Health, Fitness & Education

Blood Type Calculator

Find the possible blood types of a child from both parents' blood types.

Health, Fitness & Education

Screen Time Calculator

Track daily screen time across devices and compare with limits.

Health, Fitness & Education

Interval Timer

A workout interval timer with work, rest, and rounds.

Health, Fitness & Education

Breathing Exercise Timer

Guided breathing exercises with a visual timer.

Health, Fitness & Education

BAC Calculator

Estimate blood alcohol content from drinks, weight, and time — with safety guidance.

Health, Fitness & Education

Body Shape Calculator

Find your body shape from bust, waist, and hip measurements.

Health, Fitness & Education

Reaction Time Test

Test your reaction time — click when the screen turns green.

Health, Fitness & Education

Body Surface Area Calculator

Calculate body surface area with Mosteller, Du Bois, and Haycock formulas.

Health, Fitness & Education

Max Heart Rate Calculator

Find your max heart rate and training zones by age, with three formulas.

Health, Fitness & Education

VO2 Max Calculator

Estimate VO2 max from a walk test, run test, or resting heart rate.

Health, Fitness & Education

Baby Percentile Calculator

Check a baby's weight, length, and head growth against WHO percentiles.

Health, Fitness & Education

Marathon Pace Calculator

Find the pace you need for your target marathon finish time.

Health, Fitness & Education

Baby Gender Predictor

Predict your baby’s gender the fun way — Chinese calendar and Mayan methods.

Health, Fitness & Education

Dog Food Calculator

Work out how much food your dog needs each day, in cups and calories.

Health, Fitness & Education

Keto Calculator

Use this free keto calculator to find your daily calories and keto macros in grams.

Health, Fitness & Education

Cat Calorie Calculator

Use this free cat calorie calculator to find how many calories your cat needs each day.

Health, Fitness & Education

Child Height Predictor

Use this free child height predictor to estimate how tall your child will grow.

Health, Fitness & Education

Lean Body Mass Calculator

Use this free lean body mass calculator to split your weight into lean mass and fat mass.

Health, Fitness & Education

Blood Pressure Calculator

Use this free blood pressure calculator to find what your reading means.

Health, Fitness & Education

Test Score Calculator

Use this free test score calculator to turn your raw marks into a percentage, a letter grade, and grade points.

Health, Fitness & Education

TDEE Calculator Online

Find your total daily energy expenditure and calorie targets.

Health, Fitness & Education

Hearing Test Online

Test your hearing range ear by ear with tones from 250 Hz to 8,000 Hz.

Health, Fitness & Education

Stress Test Online

Answer 10 quick questions and get a stress score with coping tips.

Health, Fitness & Education

Anxiety Test Online

A 7-question self-check for anxiety symptoms over the past two weeks.

Health, Fitness & Education

Resting Heart Rate Calculator

Check your fitness from your resting heart rate and find your training zones.

Health, Fitness & Education

Alcohol Units Calculator

Work out the alcohol units and calories in your drinks.

Health, Fitness & Education

Cycling Power Calculator

Estimate the watts needed to ride at any speed, weight and gradient.

Health, Fitness & Education

Vision Test Online

Check your eyesight at home with a Snellen chart calibrated to your screen.

Health, Fitness & Education

Workout Plan Generator

Build a weekly workout plan from your goal, level, days and equipment.

Health, Fitness & Education

Triathlon Pace Calculator

Plan your race time for Sprint, Olympic, Half Ironman or Full Ironman distances.

Can't find what you need? Try the search box at the top of the homepage, or browse a category above — new tools are added regularly, and this list grows with them.