Body Fat Percentage Calculator
Formula
BF% = 1.2×BMI + 0.23×Age − 10.8×Sex − 5.4
The Deurenberg formula estimates body fat from BMI, age, and sex. Male: sex=1, Female: sex=0. This is an estimate — for accurate measurement, use calipers or DEXA scan.
Frequently Asked Questions
What is a healthy body fat percentage?
Men: 10-20% (athletes 6-13%). Women: 18-28% (athletes 14-20%).
Is this accurate?
It's an estimate based on BMI. Direct measurement methods (DEXA, calipers) are more accurate.