CalculatorHealth

Body Surface Area Calculator

Estimate body surface area using the Mosteller formula.

Instant · no account

Input

Enter your values

Heightcm

Weightkg

Method

How it works

Change any input above and the result updates instantly. The formula or method used by this tool is shown below.

BSA = √((height cm × weight kg) ÷ 3600)

Note

Health results are general informational estimates and are not a diagnosis or medical advice.

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Quick answers

About this tool

What does the Body Surface Area Calculator do?+

Estimate body surface area using the Mosteller formula.

How does this calculator calculate the result?+

It uses this method: BSA = √((height cm × weight kg) ÷ 3600)

Are my inputs saved or sent to an account?+

Core CalcForge tools require no account, and most calculations run locally in your browser. Favorites and recent-tool history, when used, stay in this browser.