BSA Calculator – Instantly Compare DuBois, Mosteller & Other Formulas

Quickly calculate Body Surface Area (BSA) using DuBois, Mosteller, Haycock and more. Instantly compare formulas for medical, clinical, or educational use. 100% free and easy to use.

Standard formula suitable for most adults

About Body Surface Area

Body Surface Area (BSA) is the total surface area of the human body, commonly used in medicine for drug dosage calculations, burn assessments, etc.

This calculator uses the DuBois & DuBois formula: BSA = 0.007184 Γ— Height(cm)^0.725 Γ— Weight(kg)^0.425