Body Fat Calculator

Quick Guide

Provide your basic measurements to estimate your body fat percentage using the US Navy method.

How to use the Body Fat Calculator

1

Measure your neck

Use a tape measure around the narrowest part of your neck.

2

Measure your waist

Measure around your navel for men, or the narrowest part of the waist for women.

3

Measure your hips (Women)

Women also need to measure the widest part of their hips.

4

Calculate

Enter the measurements to estimate your body fat percentage using the US Navy formula.

Frequently Asked Questions

Frequently Asked Questions

Estimate your body fat percentage with simple measurements.
Yes, Kitfyre provides this tool completely free of charge with no signup required and all processing is handled securely.

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