Skip to content

BSA Calculator (Body Surface Area)

Calculate body surface area in square meters with the Mosteller and Du Bois formulas. Enter height and weight in metric or US units and see both BSA estimates instantly.

This BSA calculator provides an estimate for general information only and is not medical advice. Do not use it to determine medication doses or make health decisions. Always consult a qualified healthcare professional for clinical calculations and care.

Powered by CalcTide