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Fitness & Health Calculators

Free fitness calculators for BMI, calories, body fat, BMR, and pregnancy.

8 calculators — all free, no sign-up

Calculate your Body Mass Index and find out your weight category.

Calorie Calculator

Find your daily calorie needs based on age, weight, height, and activity level.

Body Fat Calculator

Estimate your body fat percentage using the US Navy method.

Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.

Ideal Weight Calculator

Find your ideal weight range based on your height and gender.

Pregnancy Calculator

Find your due date and track your pregnancy week by week.

Due Date Calculator

Calculate your baby's due date from your last menstrual period.

Pace Calculator

Calculate running pace, speed, and finish time for any distance.

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