FFMI Calculator - Calculate Your Fat-Free Mass Index | CalcDeck

FFMI Calculator

Calculate your Fat-Free Mass Index to measure your lean body mass relative to height

Understanding Your Fat-Free Mass Index (FFMI)

The Fat-Free Mass Index (FFMI) is a measurement that indicates your lean body mass relative to your height. Unlike BMI, FFMI accounts for your body fat percentage, making it a more accurate measure of muscular development.

FFMI Ranges

  • Below 18: Below average muscle mass
  • 18-20: Average muscle mass
  • 20-22: Above average muscle mass
  • 22-23: Exceptional muscle mass
  • Above 23: Elite level muscle mass

How to Use This Calculator

  1. Enter your current weight in kilograms
  2. Input your height in centimeters
  3. Provide your body fat percentage
  4. Click "Calculate FFMI" to get your result