BMI Calculator
Calculate your body mass index using height and weight, with BMI category interpretation.
Calculate ->30 free calculators
Health and lifestyle calculators based on science
BMI, calories, macros, pregnancy, and more — accurate formulas, plain English results.
BMR Calculator
Calculate your basal metabolic rate using age, sex, height, and weight.
Calculate ->TDEE Calculator
Estimate your total daily energy expenditure from BMR and activity level
Calculate ->Body Surface Area Calculator
Calculate body surface area from height and weight using common BSA formulas.
Calculate ->Body Type Calculator
Estimate body type from simple body measurements and explain common somatotype categories.
Calculate ->Army Body Fat Calculator
Estimate body fat percentage using the U.S. Army body fat method based on circumference measurements.
Calculate ->Body Fat Percentage Calculator
Estimate body fat percentage using the US Navy body fat formula.
Calculate ->Healthy Weight Calculator
Calculate a healthy weight range for your height using the standard healthy BMI range.
Calculate ->Ideal Weight Calculator
Estimate ideal body weight using height and sex with the Devine formula.
Calculate ->Lean Body Mass Calculator
Calculate lean body mass from body weight and body fat percentage.
Calculate ->One Rep Max Calculator
Estimate your one rep max using weight lifted and reps performed.
Calculate ->Calories Burned Calculator
Estimate calories burned during exercise using activity type, body weight, and duration.
Calculate ->Pace Calculator
Calculate running, walking, or cycling pace from distance and time.
Calculate ->Target Heart Rate Calculator
Calculate target heart rate zones for exercise using age and resting heart rate.
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