Medical calculator
BMI Calculator (Body Mass Index and BSA)
Calculates BMI and several BSA estimates from height and weight.
BMI is the primary result. The simple BSA formula uses sqrt(weight * height / 3600) in adult mode and switches to a weight-based pediatric formula in child mode.
Core Inputs
Adult / Child
Select adult or child mode.
Height
Enter height.
Weight
Enter weight.
Please complete all required fields first.