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Body Fat Calculator

Calculate your body fat percentage using US Navy Method, BMI Method, and other accurate formulas. Get detailed body composition analysis and health recommendations.

Body Measurements

Measurement System
cm
kg
cm
cm
cm

Body Fat Analysis

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Enter your details
Body Fat Percentage
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Fat Mass
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Lean Mass
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BMI
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BMI Category

Body Composition

Fat
Lean
Fat: -- Lean: --

Body Fat Categories

Category Women (%) Men (%) Description
Essential Fat 10-13% 2-5% Minimum necessary for basic physiological functions
Athletes 14-20% 6-13% Very fit individuals, athletic performance
Fitness 21-24% 14-17% Fit and healthy, good muscle definition
Average 25-31% 18-24% Average healthy range, moderate fitness
Overweight 32-40% 25-30% Above average fat, health risks increase
Obese 40%+ 30%+ High health risk, medical supervision needed

Calculation Methods

US Navy Method
Uses waist, neck, and hip (for women) measurements. Highly accurate for estimating body fat percentage.
BMI Method
Calculates body fat based on BMI, age, and gender. Good for general population screening.
YMCA Method
Simplified waist measurement method used by YMCA fitness centers for quick assessment.

Health Recommendations

Nutrition Tips

Focus on whole foods, lean proteins, healthy fats, and complex carbohydrates. Control portion sizes and reduce processed foods.

Exercise Guidelines

Combine cardio (150 mins/week) with strength training (2-3 times/week). Include HIIT for efficient fat burning.

Lifestyle Factors

Get 7-9 hours of quality sleep, manage stress, stay hydrated, and avoid excessive alcohol consumption.

Tracking Progress

Measure regularly (monthly), track measurements, take progress photos, and monitor how clothes fit.

Features of Our Body Fat Calculator

Multiple Calculation Methods

Calculate using US Navy Method, BMI Method, and other accurate formulas for comprehensive results.

Detailed Body Composition

Get fat mass, lean mass, body fat percentage, and visual body composition breakdown.

Health Category Analysis

See where you stand with detailed body fat categories from essential fat to obese ranges.

Dual Measurement Systems

Switch between metric and imperial units for convenience. All calculations adjust automatically.

Personalized Recommendations

Get customized health tips and fitness recommendations based on your body fat percentage.

Privacy Protected

All calculations are done locally in your browser. Your data never leaves your computer.