← All free tools

BMI Calculator

calculate adult body mass index from metric or imperial height and weight

Options

About this tool

Calculate adult BMI as weight in kilograms divided by height in meters squared. Use metric measurements or pounds, feet and inches. BMI is a screening reference, not a diagnosis.

Inputs, results and saved preferences stay in this browser.

When to use it

  • Calculate BMI from measured height and weight.
  • Compare equivalent metric and imperial measurements.

Examples

Questions