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Health, Fitness & Education
Simple tools for fitness, health tracking, and test prep. Plan workouts, track your cycle, and estimate SAT scores — free, private, and right in your browser.
Health, Fitness & Education
Period 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.
These tools help you plan and track, whether you are training for a stronger bench press, keeping track of your cycle, or aiming for a target SAT score. They are for general information and planning only and are not a substitute for medical advice or a professional test-prep plan. Your numbers stay in your browser — nothing is stored or shared.