Body Fat Calculator For Men

Body fat is one of the biggest levers for how defined your face and jawline look. This uses the US Navy tape-measure method — no scale needed.

HeightcmNeckcmWaist (at navel)cm

16.9%

Fit

A lean, healthy range. Facial definition is often showing. Estimate via the US Navy method; accuracy is typically within a few percent.

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How to measure

Measure your neck just below the Adam's apple.
Measure your waist at the navel, relaxed.
Enter your height without shoes.
This is an estimate, typically within a few percent — use it to track change over time, not as an exact number.

Questions

It's an estimate, usually within a few percentage points. It's best used to track your own trend over time.

There's no single number — it depends on your bone structure and where you store fat — but facial definition generally improves as overall body fat drops.

No. Face fat comes off as your total body fat goes down.

Recommended · Train at home

Home Workout Bible · $17

A digital guide to getting in shape at home: budget equipment, full-body routines, fat-loss cardio and nutrition basics. Comes with a 60-day refund from the seller.

See it

Affiliate link: if you buy through it we may earn a commission, at no extra cost to you. It doesn't change what we recommend or what we write here.