Table of Contents
How to Calculate BMI
Do you think BMI Index is a good way to measure someone’s health?
How to calculate BMI
What is the Purpose of BMI?
BMI is designed to give useful information for studying large populations, like the city or state population, at a school. It is not designed to give useful information for each individual.
So why do we use it?
Because it is simple to calculate, and there is nothing better that’s nearly as simple.
Some people like to make comparisons like this: “Did Dr. X’s 1000 patients this year have a better BMI than those same patients did last year?”
How to calculate BMI
For an individual, BMI is useful if the individual has an average build, meaning:
 Average shoulder and hipwidth for your height
 Average bone diameters
 Average musculature
How to calculate BMI
The farther away from average you are on any of these things; the less accurate BMI will be as an indicator for you.
A quick and easy test that you can do yourself is to wrap your thumb and forefinger of one hand around the wrist of your other arm, squeezing just enough so you can feel bone.
If your fingers overlap, you have small bones; if they overlap a lot, BMI is probably not an accurate indicator of your condition.
If your fingers do not even touch, you have big bones; if they’re far apart, BMI is probably not an accurate indicator for your condition.
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How to Calculate BMI Metric
The BMI index does not measure the fat in your body directly.
By reading this article with a Free BMI Calculator with charts, you will discover your Body Mass Index and what is considered a healthy BMI. Furthermore, How to Calculate BMI.
Instead, we can use it to find out if our weight is in a healthy range.
It is valuebased only on the weight and height of the person.
How to calculate BMI
Measuring the BMI Index can place us in a couple of categories:
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 Underweight — less than 18.5
 Healthy BMI weight — between 18.6 and 24.9
 Overweight — between 25 and 29.9
 Obese — over 30
How to calculate BMI
Keep in mind that BMI does not consider many factors and should be used as guidance only.
How to calculate BMI
How to Calculate BMI?
To measure our BMI, we can use the following formula:
How to Calculate BMI?
Regarding athletes, we will be doing a followup article on body composition tests, which will be more appropriate for testing.
How to calculate BMI. BMI Calculator with Charts.
BMI Calculator with Charts
BMI Index is a measure of body fat based on height and weight that applies to adult men and BMI for women.
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 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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How does BMI Calculator work? How to Calculate BMI.
Any BMI calculator you find online will give you accurate results based on the formula they use because all of them use this particular formula. Sometimes you’ll find one that lets you use halfinches, giving you more accurate results. Sometimes the BMI calculator will round up a halfinch.
However, BMIs aren’t an accurate way to find if you’re a healthy weight or not. ACCORDING TO THE BMI CALCULATOR, the BMI calculator won’t consider your body fat percentage or your frame (for instance, someone with very slim bones may be underweight).
If a very muscular person with large bones calculates their BMI, they may find that the BMI calculator says they’re overweight even though their weight comes from muscle and bone.
If you have an average frame and aren’t very muscular, I recommend this BMI calculator: Calculate Your BMI – Standard BMI Calculator.
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How to Calculate BMI Calculator with charts
Body Mass Index is your weight (in kilograms) over your height squared (in centimeters).
Let’s calculate, however, using pounds and inches.
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Especially Relevant, the Body Mass Index of a person who is 5’3″ and weighs 125 lbs is calculated as follows:

2. Multiply the height in inches by 0.025 (the metric conversion factor)

3. Square the answer from step 2

4.Divide the answer from step 1 by the answer from step 3

The BMI Index for a person who is 5’3″ and weighs 125 lbs is 22.7 or, practically, 23. 
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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, it is much easier to maintain a healthy BMI weight.
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Ideal BMI HOW TO CALCULATE 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 us say you are five feet, i.e., 153 cm, then your ideal weight should be 153–100=53 Kg.
A better metric to analyze health would be (WHtR), which 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 obesityrelated cardiovascular diseases 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
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How to Calculate BMI Conclusion
Can BMI be useful? — to some extent, yes.
Nevertheless, overall, it should not be considered a useful tool to judge any medical conditions since it does not consider many factors. We could use it to show potential health problems.
There are better and more accurate ways to measure body fat percentage.
BMI can be very misleading too.
Furthermore, this is the problem with it. It does not take into consideration much stuff. For example, let us take a muscular person even though he has a very lowfat percentage. He could easily be classified as obese.
What are some superior alternatives to a BMI chart?
There are numerous alternatives:
 Waisttoheight ratio (WHtR),
 Waist–hip ratio,
 ABSI,
 PI,
 Corpulence index (CI),
 new BMI,
 Body adiposity index (BAI),
 Body mass abdominal index (BMAI),
 Body fat percentage
All of which claim to be better / superior in a stated specific context, so depending on your unstated context/purpose, pick a suitable index.
Several websites offer a list of HealthStatus Health BMI Calculators with charts.
Even apps will give you the lot on entering your details once, e.g., BioMetrIcs.
What is the difference between BMI and BMR?
BMI
Body mass index (BMI) is a value derived from mass (weight) and height. … only 21% of men and 31% of women were obese according to BMI, meaning that we found BMI to underestimate the number of obese subjects.
BMR
Basal metabolic rate (BMR) is the rate of energy expenditure per unit of time by endothermic animals at rest.
BMR is the amount of energy per unit of time that a person needs to keep the body functioning at rest.
Some of those processes are breathing, blood circulation, controlling body temperature, cell growth, brain and nerve function, and muscles contraction.
BMR affects the rate at which a person burns calories and, ultimately, whether they maintain, gain, or lose weight.
The BMR accounts for about 60 to 75% of the daily calorie expenditure by individuals.
HOW TO CALCULATE BMI
What is BMR? How important is it to know our BMR? How can we increase our BMR?
The meaning of BMR as understood by people on this earth is the most unhealthy meaning assigned to a term.
BMR is the number of calories used in a day to manage the vital organs and vital life processes.
BMR is not linked to exercise.
Higher BMR means a person is healthy. His vital organs are healthy. Eating to maintain the existing level of BMR is most unhealthy.
We should focus on learning the meaning and implication of BMR differently.
The following link to my blog describes the meaning and ways to increase your BMR –
Rajinder Bhalla’s post in My personal experiences
It isn’t very sensible to know your BMR. It is impossible to know your BMR. People link BMR to exercise and whatnot. Understand very clearly that if on a day you suddenly wake up and become conscious of health and spend a few hours in the gym or highintensity exercise, your BMR will take go down drastically. That may be the cause of serious diseases.
I know of people who had never been active in their life. And at the age of 35 plus they decided to be very active. Their immune system went for a toss. Had terrible blood sugar. Could not control blood sugar will 50 units of insulin or anything. Skin looked dead all over the body—no energy levels. The thyroid is the most common fall out of HighIntensity Exercises. When your BMR goes down the hill all of a sudden, and it isn’t easy to maintain the vital organs, the body resorts to manage the situation by modifying thyroid function.
The thyroid is not a disease. This is my own doing. We can easily reverse it. But there are no medicine systems that can define BMR and hence the diseases on this earth. Everybody is busy copying and pasting.
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