Body Surface Area Calculator
Calculate your body surface area (BSA) using different medical formulas
📏Measurement
cm
kg
🧪Formula Selection
Enter your measurements and click “Calculate BSA”
About Body Surface Area (BSA)
Body Surface Area is a measurement used in many medical tasks. Various calculations have been published to estimate BSA without direct measurement.
Common uses of BSA:
- Calculating chemotherapy drug dosages
- Calculating glucocorticoid dosing
- Determining the cardiac index
- Renal function assessment
- Burn assessment in emergency medicine
Formulas available:
- Du Bois: Most widely used formula (0.007184 × height0.725 × weight0.425)
- Gehan & George: 0.0235 × height0.42246 × weight0.51456
- Boyd: 0.0003207 × height0.3 × weight(0.7285 – (0.0188 × log(weight)))
- Fujimoto: 0.008883 × height0.663 × weight0.444
- Takahira: 0.007241 × height0.725 × weight0.425
- Schlich: Different formulas for women and men