MedXSmart MedXSmart Dashboard Health Logs My Calculators
Log in

Fat Free Mass (FFM)

Step-by-step mode. Answer each question and result updates automatically.

Step 1 of 3 33%

Sex *

Step 1 of 3

Body weight *

Step 2 of 3

BMI *

Step 3 of 3
kg/m²

All questions complete

Your answers are ready. Review your result below, or select a question to make changes.

    Tap an answer above to edit that question

    Janmahasatian S, Duffull SB, Ash S, et al. Quantification of lean bodyweight. Clin Pharmacokinet. 2005;44(10):1051-1065.
    Green B, Duffull SB. What is the best size descriptor for dose scaling in obese patients? Clin Pharmacokinet. 2012;51(3):151-161.
    Menu