Calculating your BMI

Knowing your BMI
is important. It gives you an idea of how much weight you need to lose. It can show you where you need to improve your diet and exercise routines. They are not always the best gauge of your body fat.

The reason why it is not that accurate is because it takes your overall body weight in order to make the calculations. This means that they healthy fats that you have, as well as the weight of your muscles, are all being mixed into this calculation.

It is not reasonable or realistic to expect to get a body that is completely free of all fat. Let’s face it, some fat is healthy. You need a certain amount. It is also unreasonable to gauge your overall health on your BMI because of these inaccuracies. You need to make sure that you understand this before you start looking at your BMI numbers.


Finding your BMI

Here are the steps you need to do to find your BMI:

  1. Multiply the weight in pounds by 0.45
  2. Multiply the height in inches by 0.025
  3. Square the answer from step 2
  4. Divide the answer from step 1 by the answer from step 3

Now we need to break this down so that you understand it:

The BMI of a person who is 5’3 and who weighs 125 pounds is calculated as follows:

  1. 125 X 0.45 = 56.25 kg
  2. 63 X 0.025 = 1.575 m
  3. 575 X 1.575 = 2.480625
  4. 25 : 2.480625 = 22.7

So here you can see that the BMI for this person is going to be about 23 if you round it. 22.7 if you want to be absolutely precise.

There are other methods for getting your BMI. For example, you can get you a digital scale that will tell you what your BMI is without any hassle. All you have to do is just step on the scale. The main benefit of this is that you can track your BMI as it changes.


While you are looking at your numbers on a digital scale, consider getting one that will give you an accurate body fat percentage by calculation your muscle mass and your bone density. That way you know how accurate your BMI is. That way you can adjust your diet and exercise as you need to.

Remember that as you lose weight your numbers will all fluctuate a little. Your weight is going to change all the time. The best thing to do is to get a digital scale that will track the numbers as you need them. It will give you an overall view of your weight. Essentially, it will put your weight loss and health back into your hands.

It is your health; it is completely up to you how you manage it. As long as you are consistent in your efforts, you burn more than you consume, and you focus on health, you will see success in your weight loss. Be flexible and be happy dieting.

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Article by: Carmen Kerry

Carmen writes health & fitness articles for BodyFatLoss. She researches the latest and greatest methods to help with weight loss, weight gain and fitness.