Body Fat Calculator

Calculate your body fat percentage and check if you are in a healthy range.

US Navy method based on circumference.

Gender

Units

Age

Weight (lbs)

Height (inches)

Neck (in)

Waist (in)

Navy Method Info

This method uses circumference measurements and is considered a reliable non-invasive estimate (±3% error margin).

Understanding the Body Fat Calculator

Estimate body fat percentage using the US Navy Method, which considers neck, waist, and hip measurements.

Guide

Applications

Fitness Progress: Tracking fat loss vs muscle gain.

Health Assessment: Evaluating risk for lifestyle diseases.

Body Composition: Understanding your fat vs lean mass ratio.

US Navy Method

Uses logarithmic equations involving circumference measurements and height to estimate body density and fat percentage.

Knowledge Base

Body Fat % is generally a better indicator of health than BMI because it distinguishes between fat and muscle mass.

For men, 14-24% is generally considered healthy. For women, 21-31% is considered healthy. Athletes often have lower percentages.

"Federal tax estimates are based on 2024 brackets. Consult a tax professional for official filing."

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