Lean body weight (Janmahasatian)
Fat-free mass estimate for dosing in obesity.
Inputs
0 of 3SexUsed by the equation
Actual (total) body weight
When to use
- Drugs dosed on lean mass, such as some anesthetic induction agents.
Pearls and pitfalls
- Plateaus at high BMI by design.
Why use
Shows BMI step.
- where
- W
- Weight, kg
- A, B
- 6680 and 216 (male); 8780 and 244 (female)