Body Fat Percentage Calculator

Accurately measure your body composition using multiple calculation methods

Personal Information

Metric (cm/kg)
Imperial (in/lbs)
Age must be between 18 and 80
Required for female body fat calculation
US Navy Method BMI Method 3-Site Skinfold 4-Site Skinfold

Body Fat Analysis

Your Body Fat Percentage

--
Enter data to calculate
Essential Fat 2-5%
Low High

Calculation Method: Not calculated

Last Updated: --

Health Risk

Complete the form to see health risk assessment.

Fitness Level

Complete the form to see fitness level.

Lean Body Mass

-- kg

Fat Mass

-- kg

Progress Tracking

Save results to track progress over time.

How to Accurately Measure Your Body Fat Percentage

Understanding your body fat percentage is crucial for assessing your overall health and fitness level. Unlike BMI, which only considers height and weight, body fat percentage gives you a clearer picture of your body composition.

Why Body Fat Percentage Matters

Body fat percentage is a more accurate indicator of health than weight alone. It helps distinguish between fat mass and lean muscle mass, providing insights into your metabolic health, fitness level, and risk for certain diseases.

How to Use This Body Fat Calculator

  1. Select your measurement system - Choose between metric (cm/kg) or imperial (inches/lbs)
  2. Enter your personal details - Gender and age affect body fat calculations
  3. Input your measurements - Accurate measurements yield the most precise results
  4. Choose calculation method - Different methods may yield slightly different results
  5. Review your results - See your body fat percentage, category, and health insights

Understanding Body Fat Categories

Tips for Accurate Measurements

For the most accurate body fat calculation:

Professional Advice

While this calculator provides a good estimate, professional methods like DEXA scans, hydrostatic weighing, or BodPod testing offer more precise measurements. Use this tool to track trends over time rather than focusing on a single measurement.