How To calculate BMI (Body Mass Index)



Do you know how to calculate your body fat percentage? Body fat is measured with what is known as Body Mass Index, or BMI. A woman that is in shape should have a body fat percentage range from 21% to 31%.

If you are in full shape, your body fat percentage could be as low as 10%.

For guys, if you are fit and in shape, your body fat percentage should be between 14% and 25%. If you are in exceedingly high profile shape, your body fat percentage could be as low as 2%.

To calculate your body fat percentage, write down how much you weigh but you have to be honest. Remember, no one will see this but you. Multiply your weight by 703.


Next, write down your height, in inches. Multiply by that same number. Then you will divide your weight number by your height number. That is your BMI.

For example, if your weight were 150 pounds x 703, your weight answer would be 105,450. If your height is 5’4”, that would be 64 inches x 64 for a total of 4,096. Taking the 105,450 divided by 4,096, you come out with a BMI of 25.7.

There are other strategies to measure your body fat percentage but this will give you a quick idea of where you are at.

If you are thinking about losing weight, remember the sheer amount of fat you are carrying around is in fact much more important than weight.

If you use the method above to figure out your current body fat percentage, you'll be on your way to a much healthier fitness level.


Your Weight(kg):
Your Height(cm):

Your BMI:
This Means:

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