Calculate BMI

You can calculate Body Mass Index (BMI) using the following calculation:

BMI = weight (in kg's) divided by (Height (in metres) x Height (in metres))

So for example, for someone who weighs 89kg and measures 1.62m:

BMI = 89 divided by (1.62 x 1.62) = 33.9 kg/m2

To do it an easier way:

• use the NHS on-line BMI Calculator  
• use a BMI Chart

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