About this Calculator
Body Surface Area (BSA) measures the total surface area of the human body. It is widely used in clinical medicine to dose drugs.
Formula & Calculations
Mathematical Formula
Mosteller and Du Bois equations
Evaluates surface areas in m² using height and weight variables.
How to Calculate Step-by-Step
1
Input details
Gather height and weight.
2
Solve Mosteller
Multiply height by weight, divide by 3600, find square root.
How to Use & Best Practices
Provide your current weight and height parameters.
Frequently Asked Questions
Why use BSA instead of weight?
BSA represents metabolic and blood volume parameters more closely than weight alone.