Body fat
Body Fat Calculator
Estimate body fat % with a tape measure using the US Navy method.
Free tool · Body fat
FFMI calculator
BMI can't tell muscle from fat. FFMI can: it divides your lean mass by height squared, so it shows how much muscle you carry for your frame.
Results
- FFMI
- 21.2
- Height-adjusted FFMI
- 21.3
- Above average
Fat-free mass index. Ranges are for men; women's values run roughly 3–5 points lower.
How to use it
- Enter weight, height and body fat %.
- Read your FFMI and the height-adjusted value.
- Compare against the level shown and track it as you train.
Read next
FAQ
What is a good FFMI?
For men, around 19–20 is average for people who train, 22+ is very muscular. Women's values typically run about 3–5 points lower.
Why does FFMI matter for abs?
More muscle means abs show at a slightly higher body fat and your physique looks better at every stage of a cut.
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