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Health Calculator

Body Surface Area Calculator

Calculate your Body Surface Area (BSA) using height and weight. Commonly used in medical and healthcare settings.

This calculator is useful in several situations, including Medical Dosage Calculations, Chemotherapy Planning, Clinical Assessments, and Healthcare Research. In each case, it applies the correct formula automatically so you get a precise result without manual calculation.

Accurate ResultsFree to UseInstant Calculation

How the Body Surface Area Calculator Works

Follow these simple steps to get accurate results instantly.

1

Enter Height

Provide your height in centimeters.

2

Enter Weight

Provide your weight in kilograms.

3

Calculate BSA

Click calculate to determine your body surface area.

4

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.

Average adult BSA ranges from approximately 1.6 m² to 1.9 m².

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.