BMI Calculator
Calculate your Body Mass Index in metric or imperial units with category guidance.
About BMI Calculator
Work out your Body Mass Index (BMI) instantly using metric (cm/kg) or imperial (ft/lb) units. See which standard category your result falls into — underweight, normal, overweight or obese. Calculated locally in your browser.
How to use
- 1
Choose metric or imperial units.
- 2
Enter your height and weight.
- 3
Your BMI and its category appear instantly.
- 4
Compare against the reference ranges shown below the result.
Tip: All processing is performed locally in your browser with zero loss in quality and no upload limits.
Frequently Asked Questions
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