Body Fat Calculator

Calculate your body fat percentage using the US Navy method

Body Fat Calculation

Enter your measurements to calculate body fat percentage

Unit System

Age (years)

Gender

Weight (lbs)

Height (inches)

Neck (inches)

Waist (inches)

How it works:

Uses the US Navy body fat formula based on circumference measurements. This method is widely used and provides a good estimate of body fat percentage without expensive equipment.

What is this calculator?

Calculates body fat percentage
Uses US Navy circumference method
Provides fitness category classification
Supports metric and imperial units
Gender-specific calculations

Why do you need it?

Track fitness progress
Set realistic health goals
Monitor body composition
Assess health risks
Athletic performance optimization

When do you need it?

Starting a fitness program
Weight loss planning
Athletic training assessment
Health checkups
Body composition tracking

Every Calculator