Body Mass Index (BMI) What Is Right For You & How Should You Calculate It

These days, it’s no longer enough just to be super skinny to look good. Nowadays, you need to have the right weight to height ratio to be considered handsome, sexy, and attractive. And this is where knowing and improving your BMI comes in.

BMI

In this article, we’ll talk about BMI, how to calculate it, maintain it, and it’s limitations.

What Is BMI?

BMI is the short form of ‘Body Mass Index.’

It’s a tool used by doctors to screen for overweight and obese patients. You can calculate it yourself to get a better estimate of your body fat and health.

It also helps assess how much of a risk you have of certain diseases that are related to overweight/obese individuals.

Your BMI doesn’t directly measure your body fat but estimates it according to your weight, and height.

The Estimate Can Result In You Being:
  • Underweight
  • Normal (Healthy Weight)
  • Overweight
  • Obese
That said, this is not the most accurate method of assessing your overall health and fat concentration.

Methods that provide more accurate measures of body fat including using densitometry, bioelectrical impedance, or dual energy x-ray absorptiometry (DXA).

Why Should You Check Your BMI?

It’s important to check your BMI periodically. The reason it’s one of the first calculations a doctor does is that it’s inexpensive and easy to calculate.

BMI - Find Out Your BMI

You can assess your level of body fat with this simple measure too.

It also provides you with a risk level of potential health issues which can be caused due to obesity.

It also helps when tracking your workout and weight loss progress.

As you lose more weight, you are bound to lower your BMI. And in case you are trying to gain muscle, you will see a rise in the same.

How Is BMI Calculated?

There are three ways in which you can find out your BMI:

Use A BMI Calculator:

You can easily find a BMI Calculator online or by using a smartphone app.

I have also included a BMI calculator here if you want to use it to find out your BMI:

Manually Calculate The BMI Yourself:

You can also opt to calculate your BMI using this simple formula:

BMI formula

As you can see, you can use the metric or imperial version to get the same result.

For example, Person A weighs 75 kg and a height of 170 cm (1.7 m).

The BMI will be:

BMI = 75 / (1.7 x 1.7)

BMI = 25.95

Now, let’s look at the imperial calculations:

Person B weights 180 lbs. and a height of 5’3” (63”).

The BMI will be:

BMI = (180 / (63 x 63)) x 703

BMI = 31.88

Use The BMI Chart:

You can also opt for a simple BMI Chart. This chart has a range of weights on one side while a range of heights on the other.

BMI chart

Using this chart:
  • Person A has a BMI of around 26 (25.95 using the formula)
  • Person B has a BMI of around 32 (31.88 using the formula)

What Is The Right BMI For You?

After you have calculated your BMI, it’s not the end.

You still have to compare it to your ideal fitness range.

For normal adults, I found the BMI ranges to be:

CategoryBMI FromBMI To
Very Severely Underweight15
Severely Underweight1516
Underweight1618.5
Normal (Healthy Weight)18.525
Overweight2530
Obese Class I (Moderately Obese)3035
Obese Class II (Severely Obese)3540
Obese Class III (Very Severely Obese)4045
Obese Class Iv (Morbidly Obese)4550
Obese Class V (Super Obese)5060
Obese Class Vi (Hyper Obese)60
That said, this chart is only for adults and doesn’t apply to children. It also doesn’t take into account ethnicity, age, gender, and fitness level.

How Should You Improve And Maintain Your BMI For The Better?

After evaluating the BMI category you fall into, you may realize that you have to increase or decrease your BMI.

And since we can modify our heights, we have to change our body weight.

Increasing BMI If You Are Underweight:

If you are underweight, you need to start with your diet.

Begin with adding healthy calories to your meal plans. These healthy choices include assorted nuts, fruit, whole grains, wheat, and cheese.

You should also eat nutrient-dense foods like brown rice, protein bars, meats, and eggs.

Also, don’t forget the healthy carbohydrates and proteins that will promote muscle gain and healthy weight gain.

If you are struggling with emotional issues with food, try to eat multiple smaller meals. This can make it easier to gain weight without feeling like you are bingeing.

Keep an eye on your workouts. If your exercise routine has more aerobic exercise than resistance training, you may be losing weight and BMI.

So, do less cardio and calorie burning exercises while doing more muscle gaining exercises.

Improve Your BMI Measure With Healthy Diet

Decreasing BMI If You Are Overweight/Obese:

The only way you are getting those BMI numbers down is by losing weight. And if you are obese, you are going to have to lose a lot of it.

The key here is to pick a challenging but achievable goal for weight loss. You can also choose to use weight loss supplements that aid in fat burn.

Another option I would recommend is strength training. If you can hit the gym and perform intense workouts, you are about to see faster fat burn.

Your diet should also be centered around low-fat foods with no sugar or processed foods. A diet rich in fiber and healthy carbohydrates is also a boost for effective weight loss.

You can also consider weight loss surgery. But I would only recommend this to those who have tried and failed with other options.

Reduce Fat To Lower BMI

What Are The Limitations Of BMI?

While calculating your BMI is easy, it may not be the best measure of your health. Experts recommend using BMI as a guideline and not to rely heavily on it.

One of the biggest pitfalls of BMI is that it doesn’t take the gender or age into account. So, if you are 5’5”, you are expected to have the same BMI when you are 21 and 81.

Also, your BMI measure can’t tell you where your fat is situated.

It’s also inaccurate when it comes to those who have a lot of muscle and those who have very little.

Inaccuracies In BMI For Bodybuilders

So, a bodybuilder with a lot of muscle may have a high BMI, even while being perfectly healthy.

What Do I Think About BMI And Its Use?

I think that measuring your BMI is a good indicator of your overall health and wellbeing.

And while it’s not the most accurate measure out there, it does provide a decent picture of your health.

It’s also most useful when trying to lose fat and weight. And if you want to find out if you are healthy, overweight or obese, you should calculate your BMI.

Jessica J

I am health and nutrition expert and have over 10 years of experience in the health & beauty industry. I am the co-founder of this website & currently studying medicine. Apart from my love for health, nutrition & beauty, I love researching on various topics. I Love swimming & take a dip in the pool whenever I can. Follow me on Google+ & Pinterest.

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