Health & Fitness Calculators
BMI, calorie, body fat, ideal weight and pregnancy calculators based on the standard published formulas. Results are estimates for general information — always talk to a healthcare professional about your own situation.
BMI CalculatorCalculate your body mass index in pounds or kilograms. See your CDC weight category, the healthy weight range for your height and your BMI Prime.Calorie CalculatorEstimate how many calories you burn per day with the Mifflin-St Jeor equation, plus daily targets for gradual weight loss or weight gain.Body Fat CalculatorEstimate your body fat percentage with the U.S. Navy circumference method using a tape measure. See your ACE category, fat mass and lean mass.Pregnancy Due Date CalculatorEstimate your due date from your last period, conception date or IVF transfer. See how far along you are, your trimester and key pregnancy milestones.Ovulation CalculatorEstimate your next ovulation date, fertile window and next period from your cycle. Includes a calendar of your next six cycles. Not a form of birth control.Ideal Weight CalculatorFind your ideal body weight with the Robinson, Miller, Devine and Hamwi formulas, side by side with the healthy BMI weight range for your height.