Fitness and Health Calculators

Calculate your Body Mass Index (BMI) and discover your healthy ideal body weight range across Devine, Robinson, and Hamwi formulas.

Estimate your body fat percentage, fat mass, and lean muscle tissue using the validated U.S. Navy circumference method.

Calculate target daily calorie intake, calorie deficits for safe fat loss, and projected weekly weight change timelines.

Calculate your daily calorie needs, BMR, TDEE, and optimal macronutrient split (protein, carbs, fats) for your fitness goals.

Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) with Mifflin-St Jeor and Katch-McArdle models.

Calculate calories burned during workouts using metabolic equivalents (METs) and find your target heart rate training zones.

Calculate your estimated date of delivery (EDD), current gestational age, and pregnancy milestone trimesters based on Naegele’s rule.

Convert pedometer step counts into distance in kilometers and miles, and estimate calories burned based on stride length.