BMI calculator
Body mass index from height and weight, metric or imperial.
Height
cm
ft in
Weight
kg
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BMI
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Category
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Healthy weight for your height
18.52530
Runs locally in your browser. Nothing is uploaded.
How to use
- Enter height and weight.
- The BMI and category update instantly.
- See the healthy weight range for your height.
Questions
What are the BMI ranges?
Under 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30 and above obesity (WHO adult classification).