Calculate body surface area from height and weight using the two most widely used clinical formulas, Mosteller and Du Bois.
How it works
- Enter your height.
- Enter your weight.
- Review the calculated Body Surface Area results from both standard clinical models.
Frequently asked questions
What is BSA used for?
Dosing chemotherapy and other drugs, indexing cardiac output, and burn assessment — anywhere body size must be standardized.
Which formula should I use?
Mosteller is simplest and most common in practice; Du Bois is the historical standard. They agree closely for most adults.
Is this medical advice?
No — it is an educational estimate. Clinical dosing must be done by a qualified professional.