How to interpret this estimate

Estimate body surface area in square meters. Uses the Mosteller formula: square root of height in centimeters multiplied by weight in kilograms divided by 3600.

When this result is useful

Use this calculator to compare how Height and Weight change Body surface area, and to review alternative values before using the estimate for planning.

Common limitations

BSA is an estimate and may not be appropriate for every clinical decision or body size. Medication or treatment decisions must be made by qualified healthcare professionals. Review the units and assumptions before interpreting the result.

This calculator uses the selected inputs and the fixed formula behind the tool to produce an estimate. Review the units, assumptions, and result labels before using the output for planning.

Health results are screening or planning estimates only. They do not diagnose health status or replace advice from doctors, dietitians, or qualified healthcare professionals.

Read the medical disclaimer for more context.