Relative Fat Mass Calculator

Free calculate Relative Fat Mass (RFM). This is an educational tool only - always consult a healthcare provider.

Measurements

Results

Enter measurements to calculate RFM

About RFM

  • • Male: 64 - (20 × Height/Waist)
  • • Female: 76 - (20 × Height/Waist)
  • • No weight needed
  • • More accurate than BMI
  • • Validated formula