Health Calculators

Health and fitness calculators for BMI, BMR, body fat, ideal weight and more

8 tools available

BMI Calculator

Calculate Body Mass Index (BMI) and check weight category

Calculate Basal Metabolic Rate and daily calorie needs by activity level

Calculate body fat percentage using the US Navy method

Find your ideal body weight using multiple scientific formulas

Calculate calories burned during various physical activities

Find your fertile window and ovulation date from your cycle

Predict your next period dates for the next 6 months

Calculate your target heart rate training zones by age