Body Surface Area Calculator
Calculate your Body Surface Area (BSA) using height and weight. Commonly used in medical and healthcare settings.
Use our free online body surface area calculator to get accurate results instantly. The calculator is designed to be fast, easy to use, mobile-friendly, and suitable for everyday calculations.
How the Body Surface Area Calculator Works
Follow these simple steps to get accurate results instantly.
Enter Height
Provide your height in centimeters.
Enter Weight
Provide your weight in kilograms.
Calculate BSA
Click calculate to determine your body surface area.
View Result
See your Body Surface Area in square meters.
Mosteller Formula
BSA = √((Height × Weight) / 3600)
The Mosteller Formula is one of the most commonly used methods to estimate body surface area using height and weight.
Example Calculation
Input: Height: 170 cm, Weight: 70 kg
Output: BSA ≈ 1.82 m²
Common Uses
- • Medical Dosage Calculations
- • Chemotherapy Planning
- • Clinical Assessments
- • Healthcare Research
Frequently Asked Questions
Find answers to common questions about this calculator.
What Is Body Surface Area (BSA)?
Body Surface Area (BSA) is the total external surface area of the human body. It is commonly used in medicine to determine medication dosages, assess metabolic mass, and evaluate patient health.
Mosteller Formula
| Formula | Description |
|---|---|
| BSA = √((Height × Weight) / 3600) | Most commonly used BSA formula |
Average BSA Values
| Category | Average BSA |
|---|---|
| Adult Male | 1.9 m² |
| Adult Female | 1.6 m² |
| Child | Varies by age |
Uses of Body Surface Area
- Drug Dosage: Determines medication amounts.
- Chemotherapy: Cancer treatment dosing.
- Clinical Studies: Research and health assessments.
- Kidney Function: Medical evaluations.
Why Use a BSA Calculator?
A BSA Calculator provides a quick and accurate estimate of body surface area, making it useful for healthcare professionals, students, and researchers.
Related Health Calculators
Explore more health calculators.
BMI Calculator
Calculate your Body Mass Index (BMI) instantly using your height and weight. Determine whether you are underweight, normal weight, overweight, or obese with our free BMI Calculator.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor Equation. Estimate the number of calories your body burns at rest and determine your daily calorie requirements based on activity level.
Calorie Calculator
Calculate your daily calorie needs for weight maintenance, weight loss, or weight gain based on your age, gender, height, weight, and activity level.
Body Fat Calculator
Calculate your body fat percentage using the U.S. Navy Method. Estimate body fat levels for men and women and determine your body fat category instantly.