BMI Calculator
Body mass index in metric or imperial units.
How to use the BMI Calculator
- Choose the units
Metric (cm, kg) or imperial (ft, in, lb).
- Type height and weight
The result updates as you type.
- Read your BMI
With its category and a healthy weight range.
Questions
Is it really free, with no sign-up?
Yes, completely. There's no sign-up, no login and no daily limit: just open the page and start. It works in your browser on any computer, phone or tablet with nothing to install.