RFM Calculator

Easy Calculate Relative Fat Mass Index :)

waist circumference  

How to calculate body fat percentage?

Just type your body height and waist circumference, select sex and click "Calculate RFM" button!

Is RFM better than BMI Calculator?

The latest research shows that Relative Fat Mass is more precise than Body Mass Index.

How to interpret RFM result, what is correct fat percentage?

Correct Relative Fat Mass depends on sex and age.
Basicly typical fat mass percentage for women is betwen 25–31%
Average body fat mass for men is betwen 18–24%
source: wikipedia