Now you can calculate you’re BMI in metric or imperial units. So for metric, it would be you’re mass in kg and height in metres. You would then calculate you’re BMI with the following formula:

**BMI= mass(kg)**

** height(m)²**

With imperial you have a few choices with what units of measurements you want to choose. Depending on which units you choose, there is a specific way of calculating the BMI.

If you are going to measure mass in lbs and height in inches then the forumla will be:

**BMI= mass(lb)**

** height(m)² Multiplythe answer by 703 **

If you are going to measure mass in lbs and height in ft then the formula will be:

**BMI= mass(lb)**

** height(ft)² Multiply the answer by 4.88**

If you are going to measure the mass in stones and the height in inches then the formula will be:

**BMI= mass(st)**

** height(in)² Multiply the answer by 9840**

Ok so you now have calculated you’re BMI, so where do you stand? The following chart is a rough guide of where you fall:

** BMI**

**Underweight **Below 18.5

**Normal **18.5-24.9

**Overweight **25.0-29.9

**Obesity **30.0 and above

You can also use the following chart to see where you fall:

So there you go, that’s how you can calculate you’re BMI.

Thanks for reading, hope it helped!

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