kg
⚕️ For clinical reference only. Not a substitute for professional judgment.
Body Surface Area Du Bois Formula
BSA calculation using the Du Bois formula. Used for chemotherapy, cardiac output indexing, and renal function standardisation.
—
Enter values
Awaiting weight and height.
Patient Details
cm
Formula (Du Bois & Du Bois, 1916)
BSA = 0.007184 × Height(cm)^0.725 × Weight(kg)^0.425
Average adult male: ~1.9 m²
Average adult female: ~1.7 m²
Common chemotherapy cap: 2.0–2.2 m²
Average adult male: ~1.9 m²
Average adult female: ~1.7 m²
Common chemotherapy cap: 2.0–2.2 m²
Uses
- Chemotherapy dosing (carboplatin, doxorubicin, paclitaxel)
- Cardiac index = Cardiac output ÷ BSA (normal: 2.2–4.0 L/min/m²)
- GFR correction to 1.73 m² standard
- Fluid and drug dosing in paediatrics