📊 Body Fat Calculator

Body Fat Percentage Calculator

Calculate your body fat percentage using multiple proven methods. Essential for tracking body composition, setting fitness goals, and monitoring progress beyond just weight.

U.S. Navy Method

Most accurate circumference-based method using waist, neck, and hip measurements.

Gender

Age (years)

Height (cm)

Weight (kg)

Neck Circumference (cm)

💡 Measure just below the Adam's apple, keep tape level and snug but not tight.

Waist Circumference (cm)

💡 Measure at the narrowest point, usually just above the navel.

BMI Estimation Method

Quick estimate based on BMI, age, and gender. Less accurate but requires only basic measurements.

Gender

Age (years)

Height (cm)

Weight (kg)

3-Site Skinfold Method

Accurate method using skinfold calipers. Requires proper technique and practice.

Gender

Age (years)

Your Body Fat Results

Method Used: -

Body Composition Analysis

Body Fat Mass 0 kg

Lean Body Mass 0 kg

Total Body Weight 0 kg

BMI 0

Body Fat Percentage Ranges

Men

Category	Body Fat %	Description
Essential Fat	3-5%	Minimum for basic physiological functions
Athletes	6-13%	Typical for competitive athletes
Fitness	14-17%	Fit, healthy appearance
Average	18-24%	Typical for general population
Obese	25%+	Health risk increase

Women

Category	Body Fat %	Description
Essential Fat	10-13%	Minimum for basic physiological functions
Athletes	14-20%	Typical for competitive athletes
Fitness	21-24%	Fit, healthy appearance
Average	25-31%	Typical for general population
Obese	32%+	Health risk increase

Method Accuracy

Navy Method: ±3-4% accuracy, most practical for regular tracking
Skinfold Calipers: ±2-3% accuracy with proper technique
BMI Estimate: ±5-8% accuracy, quick but less precise
DEXA Scan: ±1-2% accuracy (professional standard)

Fitness Flash Report

📊 Body Fat Calculator

Body Fat Percentage Calculator

U.S. Navy Method

BMI Estimation Method

3-Site Skinfold Method

Male Measurements (mm)

Female Measurements (mm)

Your Body Fat Results

Body Composition Analysis

Body Fat Percentage Ranges

Men

Women

Method Accuracy