Home › All Tools
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)
Decibel Calculator
Convert power and amplitude ratios to dB, add two sound levels, and compare dB, dBm and dBV values.
Math & ScienceDensity Calculator
Solve for mass, volume or density with unit options and material presets for water, steel, aluminum, gold and more.
Math & ScienceSlope Calculator
Find the slope of a line from two points or rise over run.
Math & ScienceVolume Calculator
Compute the volume of boxes, cylinders, spheres, and cones.
Math & ScienceAlgebra Calculator
Solve basic algebra expressions and equations step by step.
Math & ScienceEquation Solver
Solve linear and quadratic equations and see the answer instantly.
Math & ScienceExponent Calculator
Raise any base to any power, including negative exponents.
Math & ScienceProportion Calculator
Solve a/b = c/d for the missing value with steps shown.
Math & ScienceMedian Calculator
Find the median, mean, and mode of any list of numbers.
Math & ScienceMixed Number Calculator
Add, subtract, multiply, and divide mixed numbers.
Math & ScienceRounding Calculator
Round any number to decimal places or the nearest 10, 100, or 1000.
Math & ScienceDecimal to Fraction Calculator
Turn any decimal into a simplified fraction, including repeating decimals.
Math & ScienceProbability Calculator
Find P(A and B), P(A or B), and P(neither) for two independent events.
Math & ScienceSurface Area Calculator
Find the surface area of cubes, spheres, cylinders, and boxes.
Math & ScienceHex Calculator
Convert between hex, decimal, binary, and octal.
Math & ScienceNumber to Words Converter
Turn any number into words — cardinal, ordinal, or currency.
Math & ScienceMidpoint Calculator
Find the midpoint of two points, in 2D or 3D, with distance.
Math & ScienceVariance Calculator
Find population and sample variance from any list of numbers.
Math & ScienceScientific Notation Converter
Convert numbers to scientific, e-notation, and engineering form.
Math & SciencePermutation Calculator
Work out permutations, combinations, and factorials.
Math & ScienceModulo Calculator
Find remainders and modular inverses, step by step.
Math & ScienceGolden Ratio Calculator
Find the golden ratio sides of any rectangle.
Math & SciencePythagoras Calculator
Solve right triangles: hypotenuse, legs, area, and perimeter.
Math & ScienceHex to ASCII Converter
Convert hexadecimal to ASCII text and back.
Math & ScienceZ-Score Calculator
Find z-scores and percentiles from any value.
Math & ScienceWavelength Calculator
Find wavelength from frequency, or frequency from wavelength.
Math & ScienceLED Resistor Calculator
Find the right resistor for any LED and supply voltage.
Math & ScienceChmod Calculator
Convert between octal and symbolic file permissions.
Math & ScienceNet Run Rate Calculator
Calculate net run rate for a cricket match.
Math & SciencePlate Calculator
Load your barbell fast with our free plate calculator.
Math & ScienceLinear Regression Calculator
Find the slope, intercept, and R² of a best-fit line from your data.
Math & ScienceLottery Odds Calculator
Work out your odds of winning Powerball, Mega Millions, and more.
Math & ScienceEllipse Calculator
Find the area, perimeter, eccentricity, and foci of any ellipse.
Math & ScienceDecimal to Percent Calculator
Convert decimals to percents, percents to decimals, and fractions to percents.
Math & ScienceFibonacci Calculator
Find the nth Fibonacci number, the sequence, and its sum.
Math & ScienceWords to Numbers
Turn number words like 'one thousand two hundred' into digits.
Math & ScienceFinal Grade Calculator
Find the score you need on your final exam to reach your target grade.
Math & ScienceFraction to Decimal Calculator
Turn any fraction into a decimal or percent, including repeating decimals.
Math & ScienceGCF Calculator
Find the greatest common factor (and LCM) of two or three numbers with steps.
Math & ScienceCircumference Calculator
Find a circle's circumference from its radius, diameter, or area, with all four values shown.
Math & ScienceLog Calculator
Compute logarithms to any base — log10, ln, log2, custom base — plus antilogs.
Math & ScienceLimit Calculator
Evaluate limits of f(x) numerically from both sides, with approaching-values tables.
Math & ScienceSystem of Equations Solver
Solve 2x2 and 3x3 linear systems step by step with Gaussian elimination.
Math & ScienceBinary 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 & ScienceFactorial Calculator
Use this free factorial calculator to find n! for any whole number from 0 to 100.
Math & SciencePrime Factorization Calculator
Use this free prime factorization calculator to break any whole number up to 1 trillion (10^12) into its prime factors.
Math & SciencePrime 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 & SciencePythagorean Theorem Calculator
Use this free Pythagorean theorem calculator to solve for any side of a right triangle.
Math & ScienceMoon Phase Calculator
Use this free moon phase calculator to find the phase of the moon on any date.
Math & ScienceVector Calculator
Add, subtract, and find magnitude, dot and cross products of vectors.
Math & ScienceTangent Calculator
Find tan(x) and arctan(x) in degrees or radians, instantly.
Math & ScienceCosine Calculator
Find cos(x) and arccos(x) in degrees or radians, instantly.
Math & ScienceHalf-Life Calculator
Find how much of a substance remains after any time, or how long until it decays to a target amount.
Math & ScienceConfidence Interval Calculator
Find the margin of error and confidence interval for a mean or a proportion.
Math & ScienceNth Root Calculator
Find the square root, cube root, 4th root, 5th root, or any root of a number.
Converters & Everyday (105 tools)
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 & EverydayEUR to USD
Convert euros to US dollars at the latest exchange rate.
Converters & Everyday1km to Miles
Convert kilometers to miles quickly and accurately.
Converters & EverydayMillimeters to Inches
Convert millimeters to inches for precise measurements.
Converters & EverydayKnots to MPH
Convert knots to miles per hour for wind and boat speed.
Converters & EverydayTablespoons to Cups
Convert tablespoons to cups for cooking and baking.
Converters & EverydayPercent Off Calculator
Find the sale price and savings on any discount.
Converters & EverydayMilitary Time Converter
Convert between 24-hour military time and 12-hour time.
Converters & EverydayETH to USD
Convert Ethereum to US dollars at the price you enter.
Converters & EverydaySeconds to Minutes
Convert seconds to minutes — and minutes back to seconds.
Converters & EverydayKB to MB
Convert KB, MB, GB and TB in both directions.
Converters & EverydayLiters to Quarts
Convert liters to quarts — and quarts back to liters.
Converters & EverydayGrams to Teaspoons
Convert grams to teaspoons for water, sugar, salt and more.
Converters & EverydayYards to Meters
Convert yards to meters — and meters back to yards.
Converters & EverydayFuel Cost Calculator
Find the fuel cost of any trip from distance and mpg.
Converters & EverydayVoltage Drop Calculator
Find the voltage drop and percent loss on any wire run.
Converters & EverydayRadians to Degrees
Convert radians to degrees — and degrees back to radians.
Converters & EverydayMg to mL
Convert milligrams to milliliters for water and other liquids.
Converters & EverydayLiters to Cups
Convert liters to US cups — and cups back to liters.
Converters & EverydaykW to HP
Convert kilowatts, horsepower, and watts in any direction.
Converters & EverydayKelvin to Fahrenheit
Convert Kelvin, Celsius, Fahrenheit, and Rankine temperatures.
Converters & EverydaySteps to Miles Calculator
Turn your daily step count into miles and kilometers.
Converters & EverydayPints to Quarts
Convert pints to quarts — and quarts back to pints.
Converters & EverydayCentimeters to Meters
Convert centimeters to meters — and meters back to centimeters.
Converters & EverydayLiters to Milliliters
Convert liters to milliliters — and milliliters back to liters.
Converters & Everydayml to oz Converter
Convert milliliters to US fluid ounces — and fluid ounces back to milliliters — with US and UK ounce types.
Converters & EverydayKm to Cm
Convert kilometers to centimeters — and centimeters back to kilometers.
Converters & EverydayCups to Pints
Convert cups to pints — and pints back to cups.
Converters & EverydayTB to GB
Convert terabytes to gigabytes — and gigabytes back to terabytes.
Converters & EverydayInches to Yards
Convert inches to yards — and yards back to inches.
Converters & EverydaySpeed Calculator
Find speed from distance and time, in mph and km/h.
Converters & EverydayMPH to m/s
Convert mph, meters per second, ft/s, km/h, and knots.
Converters & EverydayPSI to kPa
Convert psi, kilopascals, bar, and atmospheres.
Converters & EverydayAmps to Watts
Convert amps to watts from voltage — and watts back to amps.
Converters & EverydayAge Difference Calculator
Find the age gap between two people in years, months, and days.
Converters & EverydayPounds to Newtons
Convert pounds-force to newtons — and newtons back to pounds.
Converters & EverydayHex to RGB
Convert hex color codes to RGB and HSL values instantly.
Converters & EverydayKbps to Mbps
Convert kilobits to megabits per second — and other data rates.
Converters & EverydayWire Size Calculator
Find the right wire size (AWG) for any circuit from amps and length.
Converters & EverydayTons to Kg
Convert US tons, metric tonnes, and pounds to kilograms.
Converters & EverydayInches to Pixels
Convert inches to pixels at any DPI — and pixels back to inches.
Converters & EverydayRPM to Rad/s
Convert RPM to radians per second and other angular speeds.
Converters & EverydayLiters to Cubic Feet
Convert liters to cubic feet and other volume units.
Converters & EverydayRing Size Calculator
Find your US, UK, EU, and JP ring size from a measurement.
Converters & EverydayCarat to Grams
Convert carats to grams and other gemstone weights.
Converters & EverydayWeeks to Years Converter
Convert weeks to years, months, days, and more.
Converters & EverydayCalories to Joules Converter
Convert calories, kilocalories, joules, BTU, and kWh.
Converters & EverydaySquare Meters to Acres Converter
Convert square meters to acres, hectares, and square feet.
Converters & EverydayNautical Miles to Km Converter
Convert nautical miles to kilometers, miles, and meters.
Converters & EverydayRGB to CMYK Converter
Convert RGB colors to CMYK and back, with a live swatch.
Converters & EverydayBase64 to Image Converter
Turn a base64 string into an image preview and download it.
Converters & EverydaymmHg to PSI Converter
Convert mmHg, psi, kPa, bar, atm, torr, and pascals.
Converters & EverydayDays to Weeks Converter
Convert days to weeks, months, years, hours, and minutes.
Converters & EverydayCubic Meters to Gallons Converter
Convert cubic meters to gallons, liters, and cubic feet.
Converters & EverydayBTU to Watts Converter
Convert BTU per hour to watts, kilowatts, and horsepower.
Converters & EverydayUnit Price Calculator
Compare unit prices and find the cheaper of two products.
Converters & EverydaySpeaker Test Online
Test your speakers online for free.
Converters & EverydayTyre Size Calculator
Compare two tyre sizes side by side.
Converters & EverydayBTU to Joules Converter
Convert BTU to joules and more.
Converters & EverydayNotice Period Calculator
Find your last working day from your resignation date and notice period.
Converters & EverydayMPH to Mach Converter
Convert miles per hour to Mach number at any altitude and temperature.
Converters & EverydayBattery Life Calculator
Work out how long a battery lasts from its capacity and power draw.
Converters & EverydayLight Years to Km Converter
Convert light years, parsecs, and AU to kilometres, miles, and more.
Converters & EverydayEV Charging Cost Calculator
Find what an EV charge costs and how long it takes at home or in public.
Converters & EverydayWedding Anniversary Calculator
Find your next anniversary, years married, and milestone gift.
Converters & EverydayVoltage Calculator
Solve Ohm's law for voltage, current, resistance, and power.
Converters & EverydaySubtract Days From Date Calculator
Add or subtract days, weeks, months, or years from any date.
Converters & EverydayPt to Px Converter
Convert points to pixels at any DPI — and pixels back to points.
Converters & EverydayHijri Calendar Converter
Convert dates between the Gregorian and Hijri calendars, in both directions.
Converters & EverydayPrayer Time Calculator
Find Fajr, Sunrise, Dhuhr, Asr, Maghrib, and Isha times for any place and date.
Converters & EverydayVideo Bitrate Calculator
Work out video bitrate from file size and duration — or file size from bitrate.
Converters & EverydayBattery Size Calculator
Size a battery bank in amp-hours and kilowatt-hours for solar, RV, or off-grid power.
Converters & EverydayPaper Weight Calculator
Convert paper weights between gsm and pounds, and work out ream weight.
Converters & EverydayYeast Converter
Convert between fresh, active dry, and instant yeast by weight or spoon.
Converters & EverydayGlove Size Calculator
Measure your hand circumference and get your glove size in letter and numeric sizes.
Converters & EverydayGrams to Cups Converter
Convert grams to cups for 20 ingredients, or cups back to grams.
Converters & EverydayRoman Numerals Converter
Convert numbers to Roman numerals and Roman numerals back to numbers.
Converters & EverydayTime Zone Converter
Convert times between time zones, including EST to IST and EST to PST.
Converters & EverydayBra Size Calculator
Find your US bra size from band and bust measurements, with sister sizes.
Converters & EverydayTime Duration Calculator
Find the duration between two times, or add and subtract durations.
Converters & EverydayQuintal to Kg Converter
Convert quintals to kilograms, tonnes, and pounds.
Converters & EverydayGrams to Milligrams Converter
Convert grams to milligrams and back, with kilograms and ounces too.
Converters & EverydayDew Point Calculator
Find the dew point and frost point from temperature and humidity, with a comfort reading.
Converters & EverydayToll Calculator
Estimate trip tolls by distance, rate, and vehicle class, with turnpike presets.
Converters & EverydayJulian Date Converter
Convert Gregorian dates to Julian Day Numbers and back, with the day of the week.
Converters & EverydayCM Ruler Online
Measure anything on screen with a calibrated centimetre and inch ruler.
Converters & EverydaySpeed Distance Time Calculator
Solve for speed, distance, or time — any one of the three from the other two.
Converters & EverydayMiles to Steps Calculator
Turn miles into steps from your stride length — or steps back into miles.
Converters & EverydayBase64 Decoder Online
Decode base64 to text — or encode text to base64 — instantly in your browser.
Converters & EverydayPascal 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 & EverydayPPI Calculator
Use this free PPI calculator to find the pixels per inch of any screen.
Converters & EverydayResistor 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 & EverydayMonths Between Dates Calculator
Count months, days, weeks, and hours between two dates.
Converters & EverydayPounds to Stone Converter
Convert pounds to stone, kilograms, and grams — and back.
Converters & EverydayBandwidth Calculator
Work out download times and data use from any connection speed.
Converters & EverydayTroy Ounces to Grams Converter
Convert troy ounces to grams, ounces, kilograms, and grains.
Converters & EverydayHumidity Calculator
Find relative humidity, absolute humidity and dew point from temperature and moisture.
Converters & EverydayData Usage Calculator
Estimate monthly mobile and broadband data use from streaming, calls and gaming.
Converters & EverydayWeek Number Calculator
Find the ISO week number of any date, or the dates of any week.
Converters & EverydayAltitude Calculator
Find altitude from air pressure, or pressure and boiling point from altitude.
Converters & EverydayClothing Size Converter
Convert clothing sizes between US, UK and EU for women, men and shoes.
Converters & EverydayDMS to Decimal Converter
Convert degrees, minutes and seconds to decimal degrees — and back.
Converters & EverydayDownload Speed Calculator
Work out your download speed from a file size and how long it took.
Converters & EverydayFuel Efficiency Calculator
Find out how far your car really goes on a gallon or a litre.
Converters & EverydayHat Size Calculator
Find the hat that fits your head — US, UK and EU sizes from your head circumference.
Converters & EverydayUpload Speed Calculator
Find out how long a file will take to upload or download.
File & PDF Tools (43 tools)
Compress Image to 50KB
Shrink any JPG, PNG, or WebP to 50KB — or 20KB, 100KB, 200KB, or your own target.
File & PDF ToolsCSV to XML Converter
Paste CSV or upload a .csv file and get clean XML — custom delimiters, headers, pretty print, .xml download.
File & PDF ToolsDOCX to TXT Converter
Upload a .docx file and get clean plain text — paragraphs kept, tables flattened, copy or download .txt.
File & PDF ToolsPNG to JPG Converter
Convert PNG images to JPG format right in your browser.
File & PDF ToolsJSON to CSV Converter
Turn JSON data into a CSV spreadsheet file in seconds.
File & PDF ToolsSVG to JPG Converter
Turn SVG graphics into JPG images with a background colour of your choice.
File & PDF ToolsWAV to MP3 Converter
Convert WAV audio to MP3 right in your browser.
File & PDF ToolsWebP to GIF Converter
Turn WebP images into GIFs without uploading anything.
File & PDF ToolsXML to JSON Converter
Convert XML data to JSON instantly, with validation.
File & PDF ToolsXML Validator
Check XML for errors and pretty-print it in your browser.
File & PDF ToolsCSV to PDF Converter
Turn a CSV file into a formatted PDF table in your browser.
File & PDF ToolsGIF to JPG Converter
Convert GIF images to JPG, PNG, or WebP in your browser.
File & PDF ToolsYAML to JSON Converter
Convert YAML data to JSON instantly, in your browser.
File & PDF ToolsXML to CSV Converter
Turn XML data into a CSV spreadsheet in seconds.
File & PDF ToolsJSON to XML Converter
Free JSON to XML converter in your browser.
File & PDF ToolsGIF to WebP Converter
Free GIF to WebP converter in your browser.
File & PDF ToolsRound Image Corners
Free round image corners tool in your browser.
File & PDF ToolsICO to PNG Converter
Convert ICO icon files to PNG images, right in your browser.
File & PDF ToolsExcel to CSV Converter
Convert Excel spreadsheets to CSV files with your choice of delimiter.
File & PDF ToolsBMP to JPG Converter
Convert BMP images to JPG with quality and resize controls.
File & PDF ToolsJPG to AVIF Converter
Convert JPG images to the smaller AVIF format, free and in your browser.
File & PDF ToolsJSON to YAML Converter
Convert JSON to YAML in your browser.
File & PDF ToolsJSON to PDF Converter
Turn JSON data into a formatted PDF.
File & PDF ToolsSVG Compressor
Shrink SVG files by removing comments and extra precision.
File & PDF ToolsTSV to CSV Converter
Convert tab-separated data to CSV in your browser — paste or upload a file.
File & PDF ToolsPhoto Size Calculator
Find print size from photo pixels and DPI, or the pixels a print size needs.
File & PDF ToolsYAML to XML Converter
Convert YAML to XML in your browser — paste or upload, no sign-up.
File & PDF ToolsPNG to PDF Converter
Turn PNG images into a PDF, several images per page, right in your browser.
File & PDF ToolsMP3 to WAV Converter
Convert MP3 audio to WAV files in your browser — no uploads.
File & PDF ToolsAVIF to JPG Converter
Convert AVIF images to JPG with a quality slider, in your browser.
File & PDF ToolsPNG to ICO Converter
Turn a PNG image into a Windows .ico icon file, in 16, 32, 48, or 64 px.
File & PDF ToolsPNG to WebP Converter
Convert PNG images to smaller WebP files with a quality slider, right in your browser.
File & PDF ToolsJPEG to PNG Converter
Convert JPEG photos to PNG images with no upload — files stay in your browser.
File & PDF ToolsTXT to PDF Converter
Turn plain text into a real PDF file, right in your browser.
File & PDF ToolsRotate Image Online
Rotate any image 90°, 180°, or by a custom angle and download it.
File & PDF ToolsBlur Image Online
Blur an image with an adjustable slider and download the result.
File & PDF ToolsImage Flipper
Flip an image horizontally or vertically in one click.
File & PDF ToolsCSV to Excel Converter
Convert a CSV file into a real Excel spreadsheet (.xlsx).
File & PDF ToolsAudio 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 ToolsPixelate Image
This free pixelate image tool turns a photo into big, chunky blocks of color in your browser.
File & PDF ToolsInvert Image Colors
Flip any image into a photographic negative, right in your browser.
File & PDF ToolsImage Color Extractor
Pull the dominant colours out of any image, with HEX and RGB values.
File & PDF ToolsGrayscale Image Converter
Turn any photo black and white in your browser and download the result.
Finance & Money (105 tools)
Bike Insurance Premium Calculator
Enter your motorcycle's value, coverage type, rider age and experience to estimate your annual and monthly premium.
Finance & MoneyFreelance Rate Calculator
Turn a target salary into your hourly, daily, weekly, and project rate, with overhead, taxes, and billable hours built in.
Finance & Money401k Calculator
Estimate how your 401(k) retirement savings can grow over time.
Finance & MoneyCD Calculator
See how much a certificate of deposit can earn by maturity.
Finance & MoneyRefinance Calculator
Compare your current mortgage with a refinance and check savings.
Finance & MoneyAPR Calculator
Calculate the true annual percentage rate of a loan.
Finance & MoneyDividend Calculator
Estimate dividend income and reinvestment growth on stocks.
Finance & MoneyROI Calculator
Measure the return on any investment in dollars and percent.
Finance & MoneyIRA Calculator
Project how a traditional IRA can grow from yearly contributions.
Finance & MoneyFederal Income Tax Calculator
Estimate your 2026 federal tax, taxable income and effective rate.
Finance & Money529 Calculator
See how a 529 college savings plan can grow over the years.
Finance & MoneySalary Hike (Raise) Calculator
Turn a raise percentage into your new salary, per year and per month.
Finance & MoneyChild Support Calculator
Estimate monthly child support from both parents' incomes.
Finance & MoneyMarkup Calculator
Find selling price, profit and margin from cost and markup.
Finance & MoneyCap Rate Calculator
Work out a rental property's capitalization rate from its income.
Finance & MoneyPension Calculator
Estimate your yearly and monthly pension from salary and service.
Finance & MoneyPMI Calculator
Find your LTV, down payment and monthly mortgage insurance.
Finance & MoneyRoth Conversion Calculator
Compare converting an IRA to Roth versus leaving it alone.
Finance & MoneyStock Profit Calculator
Find profit, ROI, and break-even price on any stock trade.
Finance & MoneyDebt Snowball Calculator
Pay off debts smallest-first and see your debt-free date.
Finance & MoneyCredit Card Minimum Payment Calculator
See how long minimum payments take to clear a card balance.
Finance & MoneySilver Price Calculator
Find the melt value of silver from weight, purity, and spot price.
Finance & MoneyOvertime Pay Calculator
Work out regular pay, overtime pay, and gross pay.
Finance & MoneyBalance Transfer Calculator
See how much a balance transfer saves you in interest.
Finance & MoneyElectricity Cost Calculator
Work out what your appliances cost to run each month.
Finance & Money401k Contribution Calculator
See your per-paycheck 401(k) contribution and employer match.
Finance & MoneyEtsy Fee Calculator
Work out Etsy fees and your net profit per sale.
Finance & MoneyMortgage Points Calculator
See if buying mortgage points pays off, and when.
Finance & MoneyHome Mortgage Calculator
See your true monthly mortgage payment with taxes, insurance, PMI and HOA, plus total interest and payoff date.
Finance & MoneyLease vs Buy Car Calculator
Compare leasing vs buying a car over the same period.
Finance & MoneyReal Estate Commission Calculator
Work out agent commission on any home sale price.
Finance & MoneyProfit Percentage Calculator
Find profit, markup, and margin from cost and selling price.
Finance & MoneyBiweekly Mortgage Calculator
See how biweekly payments shorten a mortgage and save interest.
Finance & MoneyI Bond Calculator
Project I Bond growth from fixed and inflation rates.
Finance & MoneyBalloon Payment Calculator
Work out the monthly payment and balloon balance on a loan.
Finance & MoneyVAT Calculator
Add or remove VAT from any price with our free VAT calculator.
Finance & MoneyStripe Fee Calculator
Work out Stripe fees instantly with our free Stripe fee calculator.
Finance & MoneyCash on Cash Return Calculator
Work out your rental's cash on cash return with our free calculator.
Finance & MoneyARM Mortgage Calculator
Work out ARM payments with our free ARM mortgage calculator.
Finance & MoneyWedding Budget Calculator
Plan your big day with our free wedding budget calculator.
Finance & MoneyRental Yield Calculator
Work out gross and net rental yield with our free rental yield calculator.
Finance & MoneyFreelance Tax Calculator
Estimate self-employment tax, income tax, and quarterly payments.
Finance & MoneyCar Insurance Premium Calculator
Estimate your yearly car insurance premium from your car and profile.
Finance & MoneyRent Increase Calculator
Work out a new rent after an increase, with caps and notice rules.
Finance & MoneyBreak Even Calculator
Find how many units you must sell to cover your costs.
Finance & MoneyFlood Insurance Calculator
Estimate yearly flood insurance from your zone and coverage.
Finance & MoneyRestaurant Tip Calculator
Work out the tip, total bill, and each person's share.
Finance & MoneyHouse Flipping Calculator
Estimate profit, ROI, and the 70% rule on a flip.
Finance & MoneyWater Bill Calculator
Estimate your monthly water bill from usage and rates.
Finance & MoneyEstate Tax Calculator
Estimate federal estate tax and what heirs receive.
Finance & MoneyEscrow Calculator
Work out your monthly escrow for taxes and insurance.
Finance & MoneyCustomer Acquisition Cost Calculator
Find your CAC from sales and marketing spend, plus payback and LTV ratio.
Finance & MoneyBabysitting Rate Calculator
Work out fair babysitting pay from rate, hours, children, and evening multipliers.
Finance & MoneyHOA Fee Calculator
Estimate monthly HOA dues itemised by expense, or as a percentage of home value.
Finance & MoneyIndex Fund Return Calculator
Project index fund growth from contributions, returns, and fees over time.
Finance & MoneyTravel Budget Calculator
Plan a trip budget by category and see the total, per-person, and per-day cost.
Finance & MoneyShopify Profit Calculator
Find profit per order and margin on Shopify after fees, shipping, and discounts.
Finance & MoneyBaby Cost Calculator
Estimate the first-year cost of a baby, month by month and in total.
Finance & MoneyHome Depreciation Calculator
Work out annual rental-property depreciation and the full schedule.
Finance & MoneyPhotography Pricing Calculator
Price a photo session from your costs, time, and profit margin.
Finance & MoneySecurity Deposit Calculator
Work out a security deposit and the refund after deductions.
Finance & MoneySalary Negotiation Calculator
Compare an offer with your current pay and find your counter range.
Finance & MoneyLifetime Value Calculator
Work out customer lifetime value and the LTV to CAC ratio.
Finance & MoneyDropshipping Profit Calculator
Find profit per order and margin for a dropshipping product.
Finance & MoneyChurn Calculator
Find your customer churn rate, revenue churn, and average customer lifetime.
Finance & MoneyTax Refund Calculator
Estimate your federal tax refund (or amount owed) from income and withholding.
Finance & MoneyFuture Value Calculator
See what a lump sum plus monthly contributions grows to over time.
Finance & MoneyAnnuity Calculator
Work out the future value of an annuity or the payout from a lump sum.
Finance & MoneyeBay Fee Calculator
Work out eBay final value and processing fees and your net proceeds.
Finance & MoneyHourly to Salary Calculator
Turn an hourly rate into an annual, monthly, and weekly salary.
Finance & MoneyCredit Card Interest Calculator
See how much interest a fixed monthly payment costs and when the card is paid off.
Finance & MoneyCapital Gains Tax Calculator
Estimate tax on short-term and long-term capital gains with 2026 rates.
Finance & MoneyGold Price Calculator
Price gold by karat and weight, and value scrap gold, with an editable spot price.
Finance & MoneyMotorcycle Loan Calculator
Work out monthly payments, interest, and total cost for a motorcycle loan.
Finance & MoneyTake Home Salary Calculator
See your take-home pay after federal tax, FICA, and state tax, per paycheck.
Finance & MoneyHome Insurance Calculator
Estimate homeowners insurance premiums by home value, risk, and deductible.
Finance & MoneySelf Employment Tax Calculator
Work out the 15.3% self-employment tax on net earnings, with the deductible half.
Finance & MoneyHealth Insurance Premium Calculator
Estimate monthly health insurance premiums by age, plan tier, and state.
Finance & Money401k Withdrawal Calculator
Work out what a 401(k) withdrawal is worth after taxes and penalties.
Finance & MoneyIRR Calculator
Find the internal rate of return of any investment from its cash flows.
Finance & MoneyStock Average Calculator
Average down your stock cost basis across multiple buys.
Finance & MoneyRental Property Calculator
Analyse a rental property’s cash flow, cap rate, and cash-on-cash return.
Finance & MoneyDiamond Price Calculator
Estimate a diamond’s price from carat, cut, colour, and clarity.
Finance & MoneyCrypto Profit Calculator
Work out your crypto profit or loss after fees, in dollars and percent.
Finance & MoneyConstruction Loan Calculator
Estimate interest-only payments during construction and the mortgage after.
Finance & MoneyCredit Score Simulator
See how everyday actions could move your credit score up or down.
Finance & MoneyEmergency Fund Calculator
Work out how much emergency fund you need — and how fast to build it.
Finance & MoneyNPV Calculator
Use this free NPV calculator to work out the net present value of a project or investment.
Finance & MoneyCapital Gains Calculator
Use this free capital gains calculator to work out the profit or loss on a share sale.
Finance & MoneyDSCR 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 & MoneyLoan 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 & MoneyLoan Prepayment Calculator
Use this free loan prepayment calculator to see what paying extra on any loan is really worth.
Finance & MoneyPurchasing Power Calculator
Use this free purchasing power calculator to see what your money will really be worth in the future.
Finance & MoneySavings Goal Calculator
Use this free savings goal calculator to turn a savings target into a plan.
Finance & MoneyQuarterly Tax Calculator
Estimate your federal tax and split it into four quarterly payments.
Finance & MoneySEP IRA Calculator
Work out your SEP IRA contribution and projected retirement balance.
Finance & MoneyTotal Cost of Ownership Calculator
Add up purchase price, fuel, insurance, maintenance and resale to find a vehicle's true cost.
Finance & MoneyPet Insurance Calculator
Estimate monthly pet insurance premiums by pet type, age, size and coverage.
Finance & MoneyElectric Car Savings Calculator
Compare an electric car with a petrol car — fuel costs, savings and break-even.
Finance & MoneyNet Worth Calculator Online
Add up your assets and debts to find your net worth in seconds.
Finance & MoneyStamp Duty Calculator
Work out property stamp duty for the UK, Australia, India, or any custom rate — with a full breakdown.
Finance & MoneyLeave Encashment Calculator
Calculate the payout for unused leave days from your salary, with a tax deduction and net amount.
Finance & MoneyCredit Card EMI Calculator
Turn a credit-card purchase into monthly installments — EMI, total interest, and a full amortisation table.
Finance & MoneyIncome Tax Slab Calculator
Calculate tax by brackets with the 2026 preset or your own editable slabs, for any filing status.
Finance & MoneyRD Calculator
Plan a recurring deposit or regular monthly savings — maturity value, interest earned, and growth chart.
Finance & MoneyRetirement Savings Calculator
See how your nest egg grows between now and retirement.
Generators & Text Tools (136 tools)
Haiku Generator
Create a true 5-7-5 haiku in nature, seasons, city, or love themes — every line syllable-checked.
Generators & Text ToolsMeta Tag Generator
Build SEO title, description, Open Graph, and Twitter card tags in seconds, with a live search preview.
Generators & Text ToolsRemove Duplicate Lines
Paste your text, keep the first copy of each line, and copy or download the clean, unique list.
Generators & Text ToolsRhyming Words Finder
Type any word and get perfect and near rhymes instantly, with syllable and result-count filters.
Generators & Text ToolsSHA-1 Generator
Hash text or a file in your browser and get the 40-character SHA-1 checksum instantly.
Generators & Text ToolsStrikethrough Text Generator
Cross out text with Unicode strikethrough, double strike, slash, or tilde styles.
Generators & Text ToolsWiFi Password Generator
Generate a strong, random WiFi password — choose 8–63 characters, letters, numbers and symbols.
Generators & Text ToolsWord Frequency Counter
Paste any text to count words, find the most used words, and see a frequency chart with counts and percentages.
Generators & Text ToolsWriting Prompt Generator
Pick a genre and get an original story prompt with a character, setting, conflict, and twist.
Generators & Text ToolsZalgo Text Generator
Turn plain text into creepy glitched zalgo text with adjustable intensity.
Generators & Text ToolsSentence Counter
Count sentences, words, and characters in any text instantly.
Generators & Text ToolsUUID Generator
Generate random unique IDs (UUIDs) for apps and databases.
Generators & Text ToolsRandom Animal Generator
Get a random animal with a fun fact for games and ideas.
Generators & Text ToolsAttendance Calculator
Work out your attendance percentage and how many classes you can miss.
Generators & Text ToolsInstagram Bio Generator
Generate a ready-to-copy Instagram bio from your name and niche.
Generators & Text ToolsFriendship Calculator
Get a fun friendship score for two names — just for fun.
Generators & Text ToolsRegex Tester
Test regular expressions live and see every match.
Generators & Text ToolsWiFi QR Code Generator
Make a QR code that connects any phone to your WiFi.
Generators & Text ToolsSchema Markup Generator
Generate valid JSON-LD schema markup for your pages.
Generators & Text ToolsBand Name Generator
Get five band name ideas in rock, metal, indie, and more.
Generators & Text ToolsCharacter Name Generator
Generate character names for modern, fantasy, and sci-fi stories.
Generators & Text ToolsCover Letter Generator
Write a tailored cover letter from your job details in seconds.
Generators & Text ToolsGamertag Generator
Generate cool, funny, and fantasy gamertags for your next game.
Generators & Text ToolsSuperhero Name Generator
Create a superhero name, alias, and power from your choices.
Generators & Text ToolsRandom Date Generator
Pick random dates between any two dates, in any format.
Generators & Text ToolsTown Name Generator
Generate town names for stories, games, and world-building.
Generators & Text ToolsRap Name Generator
Get a rap stage name in classic, trap, or funny styles.
Generators & Text ToolsReceipt Generator
Build a clean, printable receipt with items, tax, and tip.
Generators & Text ToolsRandom Number Generator
Draw random numbers in any range, with or without duplicates.
Generators & Text ToolsSmall Text Generator
Convert text to small caps or superscript tiny text.
Generators & Text ToolsWedding Hashtag Generator
Create a wedding hashtag from your names and date.
Generators & Text ToolsYouTube Name Generator
Generate catchy YouTube channel name ideas by niche.
Generators & Text ToolsPodcast Name Generator
Generate podcast name ideas by topic and tone.
Generators & Text ToolsDog Name Generator
Find the perfect name for your dog by gender and style.
Generators & Text ToolsQuote Generator
Get a famous quote for motivation, success, and life.
Generators & Text ToolsUpside Down Text Generator
Flip your text upside down with Unicode characters.
Generators & Text ToolsVillain Name Generator
Generate villain names in classic, sci-fi, fantasy, and modern styles.
Generators & Text ToolsRestaurant Name Generator
Generate restaurant names by cuisine, from Italian to café.
Generators & Text ToolsRent Receipt Generator
Create a printable rent receipt with landlord, tenant, and amount.
Generators & Text ToolsReading Time Calculator
Find how long any text takes to read or speak aloud.
Generators & Text ToolsCat Name Generator
Generate cat names by sex and style — cute, classic, or funny.
Generators & Text ToolsInstagram Name Generator
Generate Instagram handles from any keyword, in four styles.
Generators & Text ToolsItalic Text Generator
Turn plain text into italic Unicode text for bios and posts.
Generators & Text ToolsPet Name Generator
Find the perfect name for your new best friend.
Generators & Text ToolsRandom Sentence Generator
Create random sentences in seconds.
Generators & Text ToolsRemove Line Breaks
Remove line breaks from any text in seconds.
Generators & Text ToolsHTML Decoder
Decode HTML entities instantly — & to &, © to ©, and more.
Generators & Text ToolsParagraph Counter
Count paragraphs, sentences, words, and characters instantly.
Generators & Text ToolsLinkedIn Headline Generator
Write a LinkedIn headline that gets noticed.
Generators & Text ToolsBcrypt Generator
Hash passwords with bcrypt in your browser.
Generators & Text ToolsHTML Table Generator
Build clean HTML tables with headers, captions, and styling in seconds.
Generators & Text ToolsRandom Paragraph Generator
Generate random paragraphs for mockups, writing practice, and testing.
Generators & Text ToolsInvisible Character Copy
Copy invisible characters and find hidden ones in your text.
Generators & Text ToolsMD5 Generator Online
Generate MD5 hashes from text or files, instantly and in your browser.
Generators & Text ToolsJSON Minifier
Minify or beautify JSON and see the bytes saved.
Generators & Text ToolsBox Shadow Generator
Build CSS box shadows with a live preview and copy the code.
Generators & Text ToolsPixel Art Generator
Draw pixel art on a grid and download it as a PNG.
Generators & Text ToolsvCard QR Code Generator
Make a QR code that shares your contact details.
Generators & Text ToolsISBN Barcode Generator
Generate a real EAN-13 barcode from any ISBN.
Generators & Text ToolsPIN Generator
Generate secure random PIN codes of any length, with no repeats or sequences.
Generators & Text ToolsQuotation Generator
Build a professional price quotation with line items, tax, and totals.
Generators & Text ToolsUrdu Keyboard Online
Type in Urdu with an on-screen keyboard, then copy or download your text.
Generators & Text ToolsGuitar Chord Finder
Find any guitar chord with fingering diagrams, notes, and barre voicings.
Generators & Text ToolsDJ Name Generator
Generate DJ names by style — EDM, house, techno, hip-hop, and more.
Generators & Text ToolsNDA Generator
Create a non-disclosure agreement from your details and download it.
Generators & Text ToolsBirthday Wish Generator
Generate birthday wishes by tone and relationship, ready to copy.
Generators & Text ToolsPig Latin Translator
Translate English to Pig Latin and back, instantly.
Generators & Text ToolsBorder Radius Generator
Design rounded corners with a live preview and copy the CSS.
Generators & Text ToolsBirthstone Finder
Find your birthstone by month or birth date, with its meaning.
Generators & Text ToolsOTP Generator Online
Generate one-time passcodes of any length, securely in your browser.
Generators & Text ToolsWedding Planner Printable
Plan your wedding with a 12-month checklist, budget tracker, and printout.
Generators & Text ToolsResignation Letter Generator
Write a professional resignation letter in minutes.
Generators & Text ToolsKanban Board
A simple kanban board to organize tasks, saved in your browser.
Generators & Text ToolsRandom Emoji Generator
Generate random emojis by category, ready to copy.
Generators & Text ToolsWide Text Generator
Convert text to wide fullwidth characters and back.
Generators & Text ToolsLeet Speak Translator
Translate text to and from leet speak (1337).
Generators & Text ToolsDays Until Birthday
Count down the days until your next birthday — and see the age you will turn.
Generators & Text ToolsLogo Size Guide
Find the right logo dimensions for every platform, plus an aspect-ratio scaler.
Generators & Text ToolsMorse Code Translator
Translate text to Morse code and back, with audio playback.
Generators & Text ToolsHow Old Am I
Find your exact age in years, months, and days from your birth date.
Generators & Text ToolsNumerology Calculator
Find your Life Path, Destiny, and Soul Urge numbers from name and birth date.
Generators & Text ToolsRandom Letter Generator
Generate random letters with vowel, case, and no-repeat options.
Generators & Text ToolsYouTube Thumbnail Size
Check your thumbnail is the right 1280×720 size and 16:9 ratio.
Generators & Text ToolsCase Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, and more.
Generators & Text ToolsRandom Color Generator
Generate random colors and palettes with hex, RGB, and HSL values.
Generators & Text ToolsRandom Team Generator
Split a list of names into fair, shuffled teams in seconds.
Generators & Text ToolsUPC Barcode Generator
Create a scannable UPC-A barcode from 11 or 12 digits and download it as PNG.
Generators & Text ToolsDead Pixel Test
Test your screen for dead or stuck pixels with fullscreen color slides.
Generators & Text ToolsFree Fire Name Generator
Generate stylish, pro, and funny Free Fire names with symbols.
Generators & Text ToolsURL Decoder
Decode percent-encoded URLs and encode text back, right in your browser.
Generators & Text ToolsHoroscope Online
Get your free daily horoscope by zodiac sign.
Generators & Text ToolsYouTube Title Generator
Generate clickable YouTube video titles for any topic.
Generators & Text ToolsTeam Name Generator
Generate fun, fierce, or professional team names in one click.
Generators & Text ToolsFancy Font Generator
Turn plain text into fancy Unicode fonts to copy and paste.
Generators & Text ToolsNickname Generator
Generate cute, cool, or funny nicknames for anyone.
Generators & Text ToolsChatGPT Prompts
Ready-made ChatGPT prompts for writing, coding, business, and learning.
Generators & Text ToolsText to Binary
Convert text to binary code — or binary back to text.
Generators & Text ToolsBig Five Personality Test
Take this free Big Five personality test and discover your scores for openness, conscientiousness, extraversion, agreeableness, and neuroticism.
Generators & Text ToolsRobots.txt Generator
Build a robots.txt file for your website in seconds with this free robots.txt generator.
Generators & Text ToolsBackwards Text Generator
Flip any text backwards in seconds with this free backwards text generator, also known as a reverse text generator.
Generators & Text ToolsMetronome Online
Use this free metronome online to keep perfect time while you practise.
Generators & Text ToolsSpeaking Time Calculator
Find out how long your speech takes to say with this free speaking time calculator.
Generators & Text ToolsCSS Grid Generator
Build a CSS grid visually with this free CSS grid generator.
Generators & Text ToolsASCII Art Generator
Turn words into big ASCII art letters in four styles.
Generators & Text ToolsBirthday Card Maker Online
Design a birthday card with themes and download it as a PNG.
Generators & Text ToolsIQ Test for Kids
A fun 10-question brain quiz for kids — not a clinical test.
Generators & Text ToolsRandom String Generator
Generate random strings of any length from letters, digits, and symbols.
Generators & Text ToolsVisiting Card Maker Online
Design a business visiting card and download it as a PNG.
Generators & Text ToolsYes No Oracle
Ask a yes or no question and let the oracle decide.
Generators & Text ToolsFlexbox Generator
Build CSS flexbox layouts live and copy the code.
Generators & Text ToolsMarkdown Table Generator
Build markdown tables with alignment and download the .md file.
Generators & Text ToolsBlog Title Generator
Generate catchy blog titles by topic, tone, and style.
Generators & Text ToolsJWT Decoder Online
Decode any JWT to read its header and payload — no signature check.
Generators & Text ToolsAPI Key Generator
Generate secure API keys in hex, base64, alphanumeric, or UUID form.
Generators & Text ToolsASCII to Text
Convert ASCII codes to text in decimal or hex, instantly.
Generators & Text ToolsCron Expression Generator
Build cron expressions and see them in plain English.
Generators & Text ToolsMouse Test Online
Test your clicks per second (CPS) in 5 or 10 seconds.
Generators & Text ToolsFont Pairing Generator
Find heading and body font pairs that look great together.
Generators & Text ToolsPalindrome Checker
Check if any word or phrase reads the same forwards and backwards.
Generators & Text ToolsChinese Zodiac Calculator
Find your Chinese zodiac animal and element from your birth year.
Generators & Text ToolsLove Language Quiz
A fun 10-question quiz to find your love language.
Generators & Text ToolsVenn Diagram Maker
Build 2- or 3-circle Venn diagrams from your own sets and download them as PNG.
Generators & Text ToolsCSS Minifier
Shrink CSS by removing comments and whitespace, with before and after sizes.
Generators & Text ToolsAcronym Generator
Turn any phrase into an acronym, or expand an acronym into words.
Generators & Text ToolsWhat Is My Browser
See your browser, version, operating system and screen details instantly.
Generators & Text ToolsBar Graph Maker Online
Make a bar graph from your data and download it as a PNG image.
Generators & Text ToolsJWT Generator
Create a signed JSON Web Token (HS256) right in your browser.
Generators & Text ToolsPassphrase Generator
Generate a strong, memorable passphrase from random words.
Generators & Text ToolsSHA256 Generator
Hash any text or file with SHA-256, free and private.
Generators & Text ToolsHabit Tracker Online
Track daily habits, build streaks and see your progress week by week.
Generators & Text ToolsMemory Test Online
Test your memory with a growing number sequence — how far can you go?
Generators & Text ToolsLease Agreement Generator
Create a plain-English residential lease agreement from your details.
Generators & Text ToolsLove Calculator
Enter two names to get a love compatibility score, verdict, and lucky number.
Generators & Text ToolsCertificate Generator Online
Make a printable achievement certificate and download it as a PNG.
Generators & Text ToolsSalary Slip Generator
Build a clean, printable payslip with earnings, deductions, and net pay — no sign-up, nothing uploaded.
Generators & Text ToolsQibla Direction Finder
Find the direction of the Kaaba from anywhere in the world, with a compass, bearing, and distance.
Home & Construction (91 tools)
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 & ConstructionCoffee 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 & ConstructionCrown Molding Calculator
Enter room size, molding size, corners and waste to get linear feet, pieces to buy, and estimated cost by material.
Home & ConstructionGutter Calculator
Enter roof area, rainfall intensity and gutter length to get the right gutter size, downspouts needed, and estimated cost.
Home & ConstructionHome 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 & ConstructionJoist Calculator
Enter span, spacing, loads and species to find the required floor joist size and max span, based on published design values.
Home & ConstructionKnitting Gauge Calculator
Turn your gauge swatch into cast-on stitches, rows needed, and a yarn estimate for any project.
Home & ConstructionSeed Calculator
Pick a vegetable, enter row length and rows, and get seeds needed, packets to buy, and expected plants after germination.
Home & ConstructionGravel Calculator
Estimate gravel needed for driveways, paths, and patios.
Home & ConstructionAsphalt Calculator
Calculate asphalt tonnage for driveways and parking areas.
Home & ConstructionBoard Foot Calculator
Figure board feet for lumber projects and pricing.
Home & ConstructionTile Calculator
Work out how many tiles and boxes your floor or wall needs.
Home & ConstructionStair Calculator
Work out risers, riser height, treads, and total run for stairs.
Home & ConstructionRoof Pitch Calculator
Find roof pitch, angle, and slope from rise and run.
Home & ConstructionDrywall Calculator
Find how many drywall sheets, screws, and compound you need.
Home & ConstructionSand Calculator
Find cubic yards, tons, and bags of sand for any area.
Home & ConstructionWallpaper Calculator
Find how many wallpaper rolls cover your walls.
Home & ConstructionDeck Calculator
Plan a deck: boards, joists, and square footage.
Home & ConstructionBrick Calculator
Find how many bricks and mortar bags a wall needs.
Home & ConstructionPool Volume Calculator
Find how many gallons your pool holds, by shape and depth.
Home & ConstructionBTU Calculator
Work out the heating and cooling BTU your room needs.
Home & ConstructionSod Calculator
Estimate sod rolls or pallets for any lawn, with waste included.
Home & ConstructionRafter Calculator
Find rafter length, ridge height, and birdsmouth cuts for any roof.
Home & ConstructionTank Volume Calculator
Find the capacity of any tank — and how much is filled.
Home & ConstructionSoap Calculator
Work out lye and water for cold-process soap recipes.
Home & ConstructionSiding Calculator
Estimate siding squares, boxes, and pieces for any wall.
Home & ConstructionRebar Calculator
Calculate rebar length, bars, and weight for slabs and footings.
Home & ConstructionCarpet Calculator
Work out carpet area, strips, and seams for any room.
Home & ConstructionFlooring Calculator
Estimate flooring boxes and planks or tiles for a room.
Home & ConstructionInsulation Calculator
Work out how many bags, batts, or kits insulate a space.
Home & ConstructionStud Calculator
Count wall studs and plate lumber for any wall length.
Home & ConstructionCompost Calculator
Work out the right greens-to-browns mix for compost.
Home & ConstructionFurnace Size Calculator
Find the right furnace BTU size for your home.
Home & ConstructionAquarium Calculator
Work out aquarium gallons, glass, and fish capacity.
Home & ConstructionRoof Shingle Calculator
Estimate shingle bundles and squares for any roof.
Home & ConstructionPool Chemical Calculator
Work out chlorine, pH, and alkalinity doses for your pool.
Home & ConstructionWindow Replacement Cost Calculator
Estimate the cost of replacing windows in your home.
Home & ConstructionRaised Bed Soil Calculator
Work out soil, compost, and bags for a raised bed.
Home & ConstructionFertilizer Calculator
Find how much fertilizer your lawn or garden needs.
Home & ConstructionConcrete Footing Calculator
Work out concrete volume and bag counts for any footing.
Home & ConstructionRetaining Wall Calculator
Find blocks, cap, gravel, and cost for a retaining wall.
Home & ConstructionLumber Calculator
Work out board feet and cost for any lumber list.
Home & ConstructionKitchen Remodel Cost Calculator
Estimate a kitchen remodel from size and finish level.
Home & ConstructionAC Tonnage Calculator
Size your air conditioner with our AC tonnage calculator.
Home & ConstructionFirewood Calculator
Work out how much firewood you have with our firewood calculator.
Home & ConstructionResin Calculator
Find how much resin you need with our resin calculator.
Home & ConstructionBaseboard Calculator
Figure out how many baseboards you need with our baseboard calculator.
Home & ConstructionDeck Cost Calculator
Estimate your deck cost with our deck cost calculator.
Home & ConstructionPizza Dough Calculator
Scale pizza dough by flour, water, salt, and yeast for any number of pizzas.
Home & ConstructionSourdough Calculator
Work out flour, water, starter, and salt for the perfect sourdough loaf.
Home & ConstructionQuilt Calculator
Find fabric yardage, blocks, backing, and binding for any quilt size.
Home & ConstructionFabric Yardage Calculator
Work out how much fabric you need for any sewing project.
Home & ConstructionCandle Wax Calculator
Find wax, fragrance, and wicks for handmade candles in any jar.
Home & ConstructionBathroom Remodel Cost Calculator
Estimate the cost of a bathroom remodel by size and finish.
Home & ConstructionYarn Calculator
Find how much yarn your knitting or crochet project needs.
Home & ConstructionTurkey Cooking Time Calculator
Cooking time, thawing time, and done-by time for any turkey.
Home & ConstructionRecipe Scaler
Scale any recipe up or down by servings or factor.
Home & ConstructionFence Post Calculator
Posts, panels, rails, and concrete for any fence run.
Home & ConstructionStorage Unit Size Calculator
Find the right storage unit size for your rooms and boxes.
Home & ConstructionTowing Capacity Calculator
Check if your vehicle can safely tow a trailer.
Home & ConstructionCountertop Calculator
Countertop area and cost for any material and layout.
Home & ConstructionGenerator Size Calculator
Size a generator from your appliances' running and starting watts.
Home & ConstructionBread Hydration Calculator
Find water, salt, and starter weights for any hydration level from your flour.
Home & ConstructionPipe Size Calculator
Find the right pipe diameter from flow rate and velocity, with friction loss.
Home & ConstructionLawn Seed Calculator
Work out how much grass seed your lawn needs, by area and grass type.
Home & ConstructionBook Spine Calculator
Work out a book's spine width from pages and paper thickness.
Home & ConstructionPacking Calculator
Estimate boxes, tape, and wrap for your move.
Home & ConstructionCurtain Size Calculator
Work out curtain width, length, and fabric for any window.
Home & ConstructionShed Size Calculator
Find the right shed size for your tools, bikes, and mower.
Home & ConstructionEgg Timer
A simple egg timer with soft, medium, and hard presets.
Home & ConstructionLotion Calculator
Formulate a DIY lotion batch with exact grams for each phase.
Home & ConstructionPatio Cost Calculator
Estimate patio cost by size, material, and finish.
Home & ConstructionChicken Coop Calculator
Size a chicken coop and run for your flock.
Home & ConstructionSprinkler Calculator
Work out sprinkler heads, zones, and water use for your lawn.
Home & ConstructionGarage Size Calculator
Find the right garage size for your vehicles and storage.
Home & ConstructionPergola Calculator
Estimate lumber and cost for a backyard pergola.
Home & ConstructionCandle Burn Time Calculator
Work out how long a candle will burn from its wax and wick.
Home & ConstructionSnow Removal Calculator
Estimate snow volume, weight, clearing time, and de-icer for your driveway.
Home & ConstructionConcrete Calculator
Work out concrete volume, bag counts, and cost for slabs, footings, and walls.
Home & ConstructionMulch Calculator
Work out how much mulch you need in cubic yards or bags, and what it costs.
Home & ConstructionPaint Calculator
Work out how much paint, primer, and money a room needs, coats included.
Home & ConstructionRoofing Calculator
Estimate roof area, shingle bundles, underlayment, and cost from footprint and pitch.
Home & ConstructionSolar Panel Calculator
Size a solar panel system from your usage, with panels, cost, and payback.
Home & ConstructionPaver Calculator
Count pavers, gravel, sand, and edging for a patio or driveway, with cost.
Home & ConstructionMoving Cost Calculator
Estimate your moving costs for local and long-distance moves.
Home & ConstructionTire 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 & ConstructionProjector Throw Calculator
Find the right projector distance for any screen size and throw ratio.
Home & ConstructionTV Distance Calculator
Find the best viewing distance for any TV size and resolution, or the right TV size for your sofa.
Home & ConstructionOil Change Cost Calculator
Work out the cost of an oil change by oil type, capacity, filter and labour — DIY or garage.
Home & ConstructionHardwood Floor Cost Calculator
Estimate hardwood flooring costs — materials, labour and boxes.
Home & ConstructionRegistration Charges Calculator
Work out property registration charges from the value, rate, and fixed fees — with the effective rate.
Health, Fitness & Education (66 tools)
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 & EducationCholesterol 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 & EducationFiber Intake Calculator
Enter your age, sex, and daily calories to get your recommended daily fiber in grams, plus high-fiber foods.
Health, Fitness & EducationGRE Score Calculator
Convert old GRE scores (200–800) to the new 130–170 scale, with percentile estimates and total score.
Health, Fitness & EducationPeriod Calculator
Predict your next period and fertile window from your cycle.
Health, Fitness & EducationBench Press Calculator
Estimate your one-rep max and training weights.
Health, Fitness & EducationSAT Score Calculator
Convert raw SAT section scores to the 400–1600 scale.
Health, Fitness & EducationPuppy Weight Calculator
Estimate your puppy's adult weight from its age and weight.
Health, Fitness & EducationWater Intake Calculator
Find your daily water intake from weight and activity.
Health, Fitness & EducationFFMI Calculator
Measure fat-free mass index and see where you stand.
Health, Fitness & EducationBody Fat Percentage Calculator
Estimate body fat with the US Navy method or a BMI estimate.
Health, Fitness & EducationGolf Handicap Calculator
Work out your WHS handicap index from your last 20 rounds.
Health, Fitness & EducationFace Shape Finder
Find your face shape from four simple measurements.
Health, Fitness & EducationWeighted GPA Calculator
Calculate your weighted and unweighted GPA from your courses.
Health, Fitness & EducationACT Score Calculator
Turn four ACT section scores into your composite score.
Health, Fitness & EducationLSAT Score Calculator
Estimate your LSAT scaled score from your raw score.
Health, Fitness & EducationSteps to Calories Calculator
Turn your daily steps into calories burned and distance.
Health, Fitness & EducationCaffeine Calculator
See how much caffeine is still in your system right now.
Health, Fitness & EducationDog Pregnancy Calculator
Work out your dog's due date and whelping window.
Health, Fitness & EducationFantasy Points Calculator
Calculate fantasy points for NFL, NBA, MLB, and soccer.
Health, Fitness & EducationDeadlift Calculator
Estimate your one-rep max deadlift from any set.
Health, Fitness & EducationMental Age Calculator
Take a quick 10-question quiz and estimate your mental age.
Health, Fitness & EducationMetabolic Age Calculator
Estimate your metabolic age from BMR, age, and activity.
Health, Fitness & EducationIntermittent Fasting Calculator
Plan your fast with our free intermittent fasting calculator.
Health, Fitness & EducationFat Intake Calculator
Work out how many grams of fat to eat each day with our free fat intake calculator.
Health, Fitness & EducationJet Lag Calculator
Estimate how long jet lag will last with our free jet lag calculator.
Health, Fitness & EducationSleep Debt Calculator
Find out how much sleep you owe with our free sleep debt calculator.
Health, Fitness & EducationGPA to Percentage Calculator
Convert GPA to a percentage on 4.0, 5.0, and 10-point scales.
Health, Fitness & EducationGMAT Score Calculator
Estimate your GMAT total score from quant, verbal, and data insights.
Health, Fitness & EducationWilks Calculator
Find your Wilks score from bodyweight and total lifted.
Health, Fitness & EducationPet Age Calculator
Convert your pet's age to human years.
Health, Fitness & EducationWeight Loss Percentage Calculator
Track your weight-loss percentage and time to goal.
Health, Fitness & EducationNap Calculator
Find the best nap start and wake times in sleep cycles.
Health, Fitness & EducationBike Frame Size Calculator
Find your road, mountain, or hybrid frame size.
Health, Fitness & EducationHorse Feed Calculator
Work out daily hay, grain, and water for your horse by weight and workload.
Health, Fitness & EducationHorse Weight Calculator
Estimate a horse's weight from heart girth and body length.
Health, Fitness & EducationBlood Type Calculator
Find the possible blood types of a child from both parents' blood types.
Health, Fitness & EducationScreen Time Calculator
Track daily screen time across devices and compare with limits.
Health, Fitness & EducationInterval Timer
A workout interval timer with work, rest, and rounds.
Health, Fitness & EducationBreathing Exercise Timer
Guided breathing exercises with a visual timer.
Health, Fitness & EducationBAC Calculator
Estimate blood alcohol content from drinks, weight, and time — with safety guidance.
Health, Fitness & EducationBody Shape Calculator
Find your body shape from bust, waist, and hip measurements.
Health, Fitness & EducationReaction Time Test
Test your reaction time — click when the screen turns green.
Health, Fitness & EducationBody Surface Area Calculator
Calculate body surface area with Mosteller, Du Bois, and Haycock formulas.
Health, Fitness & EducationMax Heart Rate Calculator
Find your max heart rate and training zones by age, with three formulas.
Health, Fitness & EducationVO2 Max Calculator
Estimate VO2 max from a walk test, run test, or resting heart rate.
Health, Fitness & EducationBaby Percentile Calculator
Check a baby's weight, length, and head growth against WHO percentiles.
Health, Fitness & EducationMarathon Pace Calculator
Find the pace you need for your target marathon finish time.
Health, Fitness & EducationBaby Gender Predictor
Predict your baby’s gender the fun way — Chinese calendar and Mayan methods.
Health, Fitness & EducationDog Food Calculator
Work out how much food your dog needs each day, in cups and calories.
Health, Fitness & EducationKeto Calculator
Use this free keto calculator to find your daily calories and keto macros in grams.
Health, Fitness & EducationCat Calorie Calculator
Use this free cat calorie calculator to find how many calories your cat needs each day.
Health, Fitness & EducationChild Height Predictor
Use this free child height predictor to estimate how tall your child will grow.
Health, Fitness & EducationLean Body Mass Calculator
Use this free lean body mass calculator to split your weight into lean mass and fat mass.
Health, Fitness & EducationBlood Pressure Calculator
Use this free blood pressure calculator to find what your reading means.
Health, Fitness & EducationTest Score Calculator
Use this free test score calculator to turn your raw marks into a percentage, a letter grade, and grade points.
Health, Fitness & EducationTDEE Calculator Online
Find your total daily energy expenditure and calorie targets.
Health, Fitness & EducationHearing Test Online
Test your hearing range ear by ear with tones from 250 Hz to 8,000 Hz.
Health, Fitness & EducationStress Test Online
Answer 10 quick questions and get a stress score with coping tips.
Health, Fitness & EducationAnxiety Test Online
A 7-question self-check for anxiety symptoms over the past two weeks.
Health, Fitness & EducationResting Heart Rate Calculator
Check your fitness from your resting heart rate and find your training zones.
Health, Fitness & EducationAlcohol Units Calculator
Work out the alcohol units and calories in your drinks.
Health, Fitness & EducationCycling Power Calculator
Estimate the watts needed to ride at any speed, weight and gradient.
Health, Fitness & EducationVision Test Online
Check your eyesight at home with a Snellen chart calibrated to your screen.
Health, Fitness & EducationWorkout Plan Generator
Build a weekly workout plan from your goal, level, days and equipment.
Health, Fitness & EducationTriathlon 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.