BMI calculator

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1 Height & weight

Height
cm
ft
in
kg

Lift weights? BMI can't tell muscle from fat, so a muscular person can read "overweight" at a lean body-fat level. Cross-check with the body fat calculator and FFMI.

Body Mass Index

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BMI–
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BMI Prime–
New BMI (Trefethen)–
Healthy range for your height–
Difference–

Categories: WHO adult classification. BMI is a screening tool, not a diagnosis, and doesn't apply to children, pregnancy or very muscular people.

Body fat % → Ideal weight

Weight at each BMI category for your height

CategoryBMIWeight range

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