Free BMI Calculator — body mass index, metric & imperial
Calculate your body mass index from height and weight in metric or imperial units, and see which WHO category the result falls into. Free and instant.
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CategoryNormal
How it works
1
Fill in the numbers
Enter what you know; the rest is derived.
2
Get the answer live
Results update on every keystroke, with the working shown underneath.
3
Adjust and compare
Change any input to see how the result moves.
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