Skip to tool

BMI Calculator

▸About this tool

Calculate your Body Mass Index (BMI) with metric or imperial units and see your WHO category.

▸Privacy and details

Your files never leave your device.

Fast browser processing with no account required.

Optimized for desktop and mobile with accessible controls.

▸How to use
  1. Choose Metric (kg/cm) or Imperial (lbs/ft & in).
  2. Enter your height and weight.
  3. Your BMI is calculated instantly and displayed with a visual gauge.
  4. The result shows your WHO category: Underweight, Normal, Overweight, or Obese.
▸Why use this tool

BMI is a widely-used screening tool to identify potential weight-related health risks. While it does not account for muscle mass or body composition, it provides a quick reference point used by healthcare professionals worldwide. This tool uses the standard WHO thresholds and supports both metric and imperial input.