Body Surface Area Calculator vs Ideal Body Weight Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Body Surface Area Calculator
Calculate body surface area (BSA) in m² using the Mosteller, Du Bois or Haycock formula from your weight and height. Clinicians use BSA to dose chemotherapy, normalise cardiac index and estimate burn coverage.
- Answers
- Body Surface Area (m²)
- Inputs
- Weight, Height, BSA Formula
Ideal Body Weight Calculator
Estimate ideal body weight in kg from height using the Devine formula, returning a single reference weight for a given sex. Use it as a baseline for medication dosing or clinical assessment, not as a personal weight target.
- Answers
- Ideal Body Weight (kg)
- Inputs
- Height, Gender
At a glance
| Body Surface Area Calculator | Ideal Body Weight Calculator | |
|---|---|---|
| Category | Medicine | Medicine |
| Answers | Body Surface Area | Ideal Body Weight |
| Inputs | 3 | 2 |
| Result unit | m² | kg |
When to use each
Calculate body surface area (BSA) in m² using the Mosteller, Du Bois or Haycock formula from your weight and height. Clinicians use BSA to dose chemotherapy, normalise cardiac index and estimate burn coverage.
Estimate ideal body weight in kg from height using the Devine formula, returning a single reference weight for a given sex. Use it as a baseline for medication dosing or clinical assessment, not as a personal weight target.