Health & Fitness
Body Surface Area Calculator.
Calculate your total Body Surface Area (BSA) in square meters.
FREE INSTANT RESULTS NO SIGNUP UPDATED 2026
Parameters
lbs
in
Summary Output
Body Surface Area (BSA)
1.92 m²
Visual Breakdown
Schedule Breakdown
How to Use
Input your current height and weight. Evaluates skin surface size for clinical dosage evaluations.
Example Calculation
For a person 160 lbs (72.6 kg) and 70 in (177.8 cm) tall: BSA = Sqrt[ 177.8 * 72.6 / 3600 ] = 1.89 m².
Formula
BSA (Mosteller) = Square Root [ Height (cm) * Weight (kg) / 3600 ]
Frequently Asked Questions
Common questions and answers about the Body Surface Area Calculator.
The Body Surface Area Calculator is a free online tool designed to calculate your total body surface area (bsa) in square meters. It allows you to perform these calculations quickly and accurately without manual computations.
Input your current height and weight. Evaluates skin surface size for clinical dosage evaluations. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Body Surface Area Calculator uses the following formula to calculate your results:
BSA (Mosteller) = Square Root [ Height (cm) * Weight (kg) / 3600 ]
This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example:
For a person 160 lbs (72.6 kg) and 70 in (177.8 cm) tall: BSA = Sqrt[ 177.8 * 72.6 / 3600 ] = 1.89 m².
This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Body Surface Area Calculator, you need to enter: Weight, Height. These inputs help the tool calculate precise results tailored to your situation.
The Body Surface Area Calculator outputs the following details: Body Surface Area (BSA). This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Body Surface Area Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Body Surface Area Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.
Categories
Related Tools
BMI CalculatorDetermine your Body Mass Index (BMI) and see if you fall in healthy ranges.
Calorie CalculatorEstimate the number of daily calories required to maintain, lose, or gain weight.
BMR CalculatorCalculate your Basal Metabolic Rate (BMR)—the energy expended at complete rest.
TDEE CalculatorFind your Total Daily Energy Expenditure (TDEE) based on your activity level.
Body Fat CalculatorEstimate your body fat percentage using US Navy circumference measurements.
Ideal Weight CalculatorDiscover your healthy target weight range based on height, gender, and frame size.