Body Fat Calculator

Estimate your body fat percentage using measurements and get health recommendations.

How to Use the Body Fat Calculator

1. Select Gender

Choose your biological gender for accurate calculations.

2. Enter Age and Basic Measurements

Input your age, weight (select kg or lbs), and height (select cm or inches).

3. Measure Waist and Neck

Measure your waist circumference at the narrowest point and neck circumference below the Adam's apple (select cm or inches).

4. Hip Measurement (Females)

Females should also measure hip circumference at the widest point (select cm or inches).

5. Click Calculate

Get your body fat percentage, category, and lean body mass.

Note: This uses the U.S. Navy body fat formula. For most accurate results, have measurements taken by a professional. Body fat percentage ranges vary by age and fitness level.