Health Calculators

Calculate Body Mass Index and see healthy weight ranges.

Estimate body fat percentage using the Navy method.

Calculate lean body mass from weight and body fat percentage.

Find the healthy weight range for your height.

Find your ideal weight using multiple formulas.

Check if you are underweight, normal, overweight, or obese.

BMI lookup and underweight range classification.

Determine your body type: ectomorph, mesomorph, or endomorph.

Estimate BSA using Mosteller or DuBois formula.

Convert height between feet/inches and centimeters/meters.

Calculate WW SmartPoints for any food using calories, saturated fat, sugar, and protein.

Calculate body fat % using Army TAPE method.

Find daily calories needed to maintain, lose, or gain weight.

Calculate Basal Metabolic Rate — calories burned at rest.

Total Daily Energy Expenditure based on activity level.

Find protein, carbs, and fat targets for your goal.

Find your daily protein intake goal based on weight and activity.

Recommended daily carbohydrate intake by goal and weight.

Calculate your recommended daily fat intake based on calories, weight and fitness goal.

Estimate calories burned by activity type and duration.

Daily water intake recommendation based on weight and activity.

Calculate running pace, finish time, or total distance.

Estimate your 1RM from any rep and weight combination.

Find your target and max heart rate for any fitness zone.

Calculate due date, weeks pregnant, and key milestones.

Recommended weight gain during pregnancy by pre-pregnancy BMI.

Estimate conception date from due date or last period.

Find your pregnancy due date from last menstrual period.

Predict your ovulation window and most fertile days.

Work backwards from due date to find conception date.

Predict next period and track menstrual cycle.

Estimate glomerular filtration rate for kidney function.

Estimate blood alcohol content from drinks, weight, and time.