BMI Calculator

Calculate body mass index from height and weight, see the WHO adult category and the weight range for a healthy BMI at your height.

Loading the tool

BMI is a screening number for adults. It does not measure body fat and does not apply to children, athletes or pregnancy. Talk to a clinician about your health.

How to use BMI Calculator

  1. Choose metric or imperial units.
  2. Enter height and weight.
  3. Read your BMI and range.

Privacy and limits

This tool runs in your browser. What you type is processed on your device and is not sent to our server.

Questions

Is BMI Calculator free to use?
Yes. You do not need an account and there is nothing to pay.
Does it work offline?
Once the page has loaded, the tool does its work on your device. Some browsers need a connection only to load the page itself.