BMI Calculator

Work out your body mass index from height and weight, in the units you use.

Enter height and weight.
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Under 18.5 underweight · 18.5 to 24.9 healthy · 25 to 29.9 overweight · 30 and over obese

How it works

BMI is weight in kilograms divided by height in metres squared. The triangle above the bar shows where your BMI lands. It is a rough guide only. It does not separate muscle from fat, so athletes and children should not judge health by BMI alone.

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