💪 Health & Fitness
Body Fat Percentage Calculator
Estimate your body fat percentage using multiple measurement methods.
Gender
Age
years
Your age in years
Height
ft
in
Your height in feet and inches
Weight
lbs
Your weight in pounds
Measurement Method
Body Fat
0%
Body Fat %
0%
estimated body fat
Category
—
Fat Mass
0 lbs
Lean Mass
0 lbs
Method
Navy (US)
📐 Body Fat Formulas
Navy Method
Uses circumference measurements
BMI Method
Uses BMI and age/gender
Skinfold Method
Uses skinfold thickness
Fat Mass = Weight × (Body Fat % ÷ 100)
Fat Mass Calculation
📊 Body Composition Breakdown
| Metric | Value | Category |
|---|
How the formula works
Body Fat % varies by method | BMI = Weight (kg) ÷ Height² (m²) | Fat Mass = Weight × (Body Fat % ÷ 100)
- Navy Method = Uses circumference measurements (neck, waist, hip) with gender-specific formulas
- BMI Method = Uses BMI, age, and gender to estimate body fat percentage
- Skinfold Method = Uses skinfold thickness measurements (chest, abdomen, thigh)
- Category Ranges = Essential, Athletic, Fitness, Acceptable, Obese
- Different methods provide estimates; actual body fat may vary