Body Fat Calculator

Estimate your body fat percentage using scientifically-validated methods. Get detailed body composition analysis and health risk assessments.

Calculate Body Fat Percentage

Calculation Method

U.S. Navy Method (Circumference)Simplified Skinfold MethodBMI-Based Estimation

Gender

Unit System

Height (cm)

Weight (kg)

Waist (cm)

Neck (cm)

Body Fat Categories

Essential Fat

Men: <6%

Minimal health risk

Athletes

Men: 6-13%

Excellent health

Fitness

Men: 14-17%

Good health

Average

Men: 18-24%

Fair health

Obese

Men: 25%+

Poor health, increased risks

Calculation Methods

U.S. Navy Method

Uses circumference measurements. Most accurate for general population.

Skinfold Method

Estimates based on skinfold measurements. Good for athletes.

BMI-Based Estimation

Rough approximation using BMI. Least accurate but easiest.

Important Note

These calculations provide estimates only. For precise body fat measurement, consider DEXA scans, hydrostatic weighing, or professional assessment. Consult a healthcare provider for personalized health advice.

Understanding Body Fat

Essential Fat

Necessary for normal physiological functioning. Includes fat in nerves, brain, and hormones.

Storage Fat

Energy reserve and insulation. Can be reduced through diet and exercise for health benefits.