Free · Health · Clinical Estimates

Body Surface Area Calculator

Estimate body surface area with the Mosteller, Du Bois, and Haycock equations.

  • Checked formula
  • Private in your browser
  • No signup
Calculator inputs

Enter your values

Result

Your calculation

Mosteller BSA
1.818 m²
Du Bois BSA
1.81 m²
Haycock BSA
1.826 m²

Clinical dosing decisions require the method specified by the relevant protocol and professional oversight.

How to use this calculator

  1. Enter current measurements as accurately as practical.
  2. Calculate to see the estimate, range, and method details.
  3. Use the result as context, and discuss health decisions with a qualified clinician.

Use the result with context

Health results are educational estimates, not a diagnosis or treatment recommendation. A qualified clinician can interpret measurements in the context of your health.