Fitness & Health Calculators

Understand your body: BMI, calories, metabolism, body fat, pace and pregnancy dates.

Find your body mass index, see which category it falls in and get the healthy weight range for your height.

Estimate your daily calorie needs and see targets for gradual weight loss or gain based on your body and activity level.

Calculate the calories your body burns at rest, compare three well-known formulas and see your needs at every activity level.

Estimate your body fat percentage with just a tape measure, and see your fat mass, lean mass and fitness category.

Turn a distance and finish time into pace per kilometer and mile, speed, and predicted times for common race distances.

Estimate your baby’s due date from your last menstrual period and see how many weeks along you are, plus key pregnancy milestones.