FFMI Calculator
Calculate your fat-free mass index (FFMI) from height, weight and body fat, a muscularity measure that’s more useful than BMI for lifters.
Result
FFMI (adjusted for height)
22.1
- FFMI (raw)
- 22
- Category (men)
- Excellent
- Lean mass
- 69.4kg
- Lean mass
- 153lb
Common questions
What is a natural FFMI limit?
A well-known 1995 study found drug-free male athletes rarely exceeded an adjusted FFMI of about 25. Women’s values run roughly 3 to 5 points lower.