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How to bmi calculator formula

ww bmi calculator
ww bmi calculator

What does a BMI mean?

The BMI index doesn’t measure the fat in your body directly. By the end of reading this article with a Free BMI Calculator. You will discover your Body Mass Index and what is considered a healthy BMI.

Rather it can be used to find out if our weight is in a healthy range. It is a value-based only on the weight and height of the person.

Measuring the BMI Index  can place us in a couple of categories:

  • Underweight — less than 18.5
  • Healthy  bmi weight — between 18.6 and 24.9
  • Overweight — between 25 and 29.9
  • Obese — over 30

Keep in mind that BMI does not take a lot of factors into consideration and should be used as guidance only.



How do we measure BMI?

To measure our BMI we can use the following formula:

ww Bmi calculator



Calculate Your BMI

Regarding athletes, we will be doing a follow-up article on body composition tests which will be more appropriate for testing.

Bmi calculator how to

BMI Calculator kg

BMI Index is a measure of body fat based on height and weight that applies to adult men and bmi for women.

  • Enter your weight and height using standard or bmi calculator metric measures.
  • Select “Compute BMI” and your Body Mass Index will appear below.



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ww BMI Calculator

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Standard MeasurementsView Metric Measurements
Your Height:
 
  
 (pounds)

 
Body Mass Index Categories:
Underweight = <18.5
Normal bmi weight = 18.5–24.9
Overweight = 25–29.9
Obesity = BMI of 30 or greater rThe BMI Index Tables Aim for a Healthy bmi Weight:
Limitations of the BMI
Assessing Your Risk
Controlling Your Weight
RecipesDownload the BMI calculator app today (available for iPhoneexternal disclaimer and Androidexternal disclaimer).

HOW TO CALCULATE YOUR BMI Calculator kg

Body Mass Index is your weight (in kilograms) over your height squared (in centimeters).

Let’s calculate, however, using pounds and inches.

Especially Relevant, the Body Mass Index of a person who is 5’3″ and weighs 125 lbs is calculated as follows:

  1. Multiply the weight in pounds by 0.45 (the metric conversion factor)
  • 125 X 0.45 = 56.25 kg
2. Multiply the height in inches by 0.025 (the metric conversion factor)

  • 63 X 0.025 = 1.575 m
3. Square the answer from step 2

  • 1.575 X 1.575 = 2.480625
4.Divide the answer from step 1 by the answer from step 3

  • 56.25 : 2.480625 = 22.7
The BMI Index for a person who is 5’3″ and weighs 125 lbs is 22.7 or practically, 23.

A healthy BMI Index ranges between 19 and 25.

While the more sedentary your lifestyle. Hence the closer your weight should be to the lower end of the recommended range.  Also, it is important not to increase your weight significantly after age 18. Hence limit that weight gain to less than 11 pounds. While the good news about this recommendation is that if you follow the exercise and dietary guidelines. Hence it is much easier to maintain a healthy bmi weight.

What is the ideal BMI?

18.5 to 24.9 would be ideal BMI. A crude way to determine ideal weight is to subtract 100 from your height in CM. Let’s say you are five feet i.e 153 cm then your ideal weight should be 153–100=53 Kg

Also, a better metric to analyze health would be (WHtR), 
 is defined as their waist circumference divided by their height, both measured in the same units. The WHtR is a measure of the distribution of body fat. Higher values of WHtR indicate a higher risk of obesity-related cardiovascular diseases; it is correlated with abdominal obesity.

Ideal WHtR for men is 0.43 to 0.52
Ideal WHtR bmi for women is 0.42 to 0.48

How to reach your ideal body weight fast?

 

In conclusion:

Can BMI be useful? — to some extent yes.

But overall since it is not taking a lot of factors into consideration it shouldn’t be considered a valid tool to judge any medical conditions. It could be used to show potential health problems.

There are better and more accurate ways to measure body fat percentage.

BMI can be very misleading too.

And this is the problem with it. It doesn’t take into consideration a lot of stuff. For example, if we take a muscular person even though he has a very low-fat percentage he could easily be classified as an obese person.

Do you think BMI Index is a good way to measure someone’s health?

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