How accurate is this Body Fat Navy Method Calculator?

Our calculator uses scientifically validated formulas and provides results based on peer-reviewed research. Results should be used as a general guide and not as medical advice.

Is this tool free to use?

Yes, this Body Fat Navy Method Calculator is completely free to use. No registration or payment required.

Can I use this calculator on mobile?

Yes, our calculator is fully responsive and works on all devices including smartphones, tablets, and desktop computers.

Body Fat Navy Method Calculator

Calculate body fat percentage using the U.S. Navy circumference method

Body Fat Calculator

U.S. Navy Method - Accurate circumference-based estimation

Select Gender

Basic Measurements

Height

Weight (for additional calculations)

Circumference Measurements

Neck

Measure below Adam's apple

Waist

At navel level, relaxed

Hips

Widest point of buttocks

Neck Circumference

Waist Circumference

Hip Circumference

Your Body Composition

Body Fat Percentage

Body Fat Categories

Category	Men	Women
Essential Fat	2-5%	10-13%
Athletes	6-13%	14-20%
Fitness	14-17%	21-24%
Average	18-24%	25-31%
Obese	25%+	32%+

About the Navy Method

The U.S. Navy method is considered one of the most accurate circumference-based body fat estimation formulas. It correlates well with underwater weighing and DEXA scans for most body types.

Your Target

Based on your results, here's what you should aim for...

Measurement Tips

For accurate results: measure in the morning, use a flexible tape measure, keep tape snug but not tight, and take measurements at the same time each day. Measure each site 2-3 times and use the average.

Navy Method

Uses body circumference measurements developed by the U.S. Navy.