Calculator category

Health & Fitness

Explore 10 free health & fitness calculators. Every tool works locally and requires no sign-up.

Calculate your Body Mass Index and see where you fall on the BMI scale.

Estimate daily calories to maintain, lose, or gain weight based on your stats and activity.

Calculate your Total Daily Energy Expenditure from BMR and activity level.

Find your Basal Metabolic Rate — the calories your body burns at rest.

Estimate body fat percentage using the U.S. Navy circumference method.

Get daily protein, carb, and fat targets based on your calories and goal.

Find the calorie deficit needed to reach your goal weight by a target date.

See your ideal weight range using Devine, Robinson, Miller, and BMI formulas.

Calculate your daily protein needs based on weight, activity, and goal.

Find your five heart-rate training zones from your age or max heart rate.