Health & Fitness Calculators

Calculate your Body Mass Index (BMI) and see if you're in a healthy weight range.

Estimate your body fat percentage using the US Navy method with body measurements.

Find your ideal body weight based on height using multiple scientific formulas.

Calculate your lean body mass and fat mass based on body fat percentage.

Calculate your body surface area using the Mosteller formula.

Calculate body fat percentage using U.S. Army standards and tape test.

Find your healthy weight range based on height and body frame.

Determine your body type - ectomorph, mesomorph, or endomorph based on frame size.

Calculate BMI with detailed underweight classifications and health risk assessment.

Calculate how much you are overweight and how much weight you need to lose.

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

Calculate your optimal macronutrient intake (protein, carbs, fat) for your goals.

Calculate your daily protein requirements based on weight and fitness goals.

Calculate your daily carbohydrate needs based on your calorie goals.

Calculate your recommended daily fat intake based on calories and goals.

Calculate your recommended daily water intake based on weight and activity.

Calculate Weight Watchers SmartPoints for any food based on nutritional values.

Calculate your Basal Metabolic Rate - the calories your body burns at rest.

Calculate your Total Daily Energy Expenditure - total calories burned per day.

Estimate calories burned during exercise based on activity type and duration.

Calculate your one-rep max for any lift and see training percentages.

Find your target heart rate zones for optimal cardio training.

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

Calculate your due date, current week of pregnancy, and trimester.

Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI.

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

Estimate your most fertile days and ovulation date based on your cycle.

Predict your next period date based on your menstrual cycle length.

Calculate your estimated conception date from due date or last menstrual period.

Estimate Blood Alcohol Content based on drinks consumed, weight, and time.

Calculate your Glomerular Filtration Rate to assess kidney function.