Fitness & Health Calculators
Calculate BMI, daily calories, body fat, BMR, ideal weight, running pace and pregnancy dates using trusted, published formulas.
BMI Calculator
Body Mass Index with WHO category and healthy weight range.
Calorie Calculator
Daily calories to maintain, lose or gain weight.
Body Fat Calculator
Estimate body fat % with the U.S. Navy tape-measure method.
BMR Calculator
Basal metabolic rate with three scientific equations.
Ideal Weight Calculator
Ideal body weight from four classic formulas.
Pace Calculator
Running pace, finish time or distance — with race predictions.
Pregnancy Calculator
How far along you are, trimester and key milestones.
Pregnancy Conception Calculator
Estimate when conception happened from a due date or last period.
Due Date Calculator
Estimated due date from last period, conception or IVF transfer.