Body Surface Area Calculator

Mosteller body surface area from height and weight.

Body Surface Area Calculator helps you mosteller body surface area from height and weight. Enter height (feet), height (inches), height (cm), and weight, review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the Body Surface Area calculator does Body Surface Area Calculator is built for body measurements, calories, and everyday health math. Mosteller body surface area from height and weight. You enter height (feet), height (inches), height (cm), and weight, then Simple Calculators computes the result instantly. These tools use widely published formulas. They are educational screens, not a diagnosis. How the math works Choose your units, then enter your height and weight; feet, inches and pounds are converted to cm and kg first. The main result uses the Mosteller formula: body surface area = √(height in cm × weight in kg ÷ 3,600), in square metres (m²). For comparison it also shows the Du Bois and Haycock formulas and the average of all three. The formula: BSA = √(height (cm) × weight (kg) ÷ 3,600). Result in square meters (m²).