Free BMI Calculator
Body Mass Index with healthy range.
22.9
Normal weight
56.7 kg – 76.3 kg
Healthy weight range
0.91
BMI Prime
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How to use the BMI Calculator
- 1Choose units.
- 2Enter height & weight.
- 3See BMI and category.
Features
- Metric & imperial
- WHO categories
- Healthy range display
Frequently Asked Questions
Is BMI accurate for athletes?
Not really — muscle weighs more than fat, so muscular people often score high. BMI is a population screening tool, not a diagnosis.
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About the BMI Calculator
Calculate BMI in metric or imperial units with category and healthy weight range. The BMI Calculator runs entirely in your browser — your data is processed locally and never uploaded to a server. Explore more Calculators tools or browse all free online tools.