Estimate body surface area using the Mosteller formula.
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BMI, BMR, calorie needs, body measurements and heart-rate estimates for general reference.
Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.
The result is expressed in square meters and is a general mathematical estimate.
Estimate body surface area using the Mosteller formula. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
A person weighing 170 pounds and measuring 5 feet 10 inches has an estimated body surface area of about 1.95 square meters by the Mosteller method.
Body surface area uses height and weight together and is different from BMI.
This estimate should not be used independently to determine medication doses or clinical decisions.
Related tools: BMI Calculator · BMR Calculator
Estimate body surface area using the Mosteller formula.
Mosteller BSA = √(height(cm) × weight(kg) ÷ 3600).
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