What is this calculator?
Estimate body surface area using the Mosteller equation.
What can you use it for?
Use it to understand the numerical relationship between the measurements or dates entered. Estimate body surface area using the Mosteller equation.
How to use it
- Enter height (cm).
- Enter weight (kg).
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
Result = sqrt(height × weight/3600)
The formula uses the units and definitions shown above. Each input is substituted before the arithmetic is evaluated; the calculated output is rounded for display.
Worked example
Height (cm): 175, Weight (kg): 70. The result is 1.84466197 m² (result).
Assumptions and limits
Mathematical estimate. Do not use it alone to choose a medication dose.
Method references
Frequently asked questions
What inputs does the Body Surface Area Calculator need?
Use height (cm), weight (kg). Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the Body Surface Area Calculator?
Mathematical estimate. Do not use it alone to choose a medication dose.