Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Health
Body Surface Area Calculator
Calculate your Body Surface Area (BSA) in m² using the Mosteller, Haycock, or DuBois formula. Clinicians and pharmacists use BSA to dose chemotherapy, renal drugs, and burn treatments accurately.
Fill in the required fields to see your result.
Health
Lean Body Mass Calculator
Estimate your lean body mass — everything except fat — from height, weight, and sex using the Boer formula. Useful for setting protein, calorie, and medication targets.
Fill in the required fields to see your result.
Key differences
| Body Surface Area Calculator | Lean Body Mass Calculator | |
|---|---|---|
| Category | Health | Health |
| Inputs required | 3 | 3 |
| Result | Body Surface Area (m²) | Lean Body Mass (kg) |
| What it does | Calculate your Body Surface Area (BSA) in m² using the Mosteller, Haycock, or DuBois formula. Clinicians and pharmacists use BSA to dose chemotherapy, renal drugs, and burn treatments accurately. | Estimate your lean body mass — everything except fat — from height, weight, and sex using the Boer formula. Useful for setting protein, calorie, and medication targets. |