How to Calculate Body Mass Index(BMI).

If you want to calculate your Body Mass Index, all you need to do is simply divide your weight by your height. Everybody has their own unique Body Mass Index and it varies from one person to another based on their age, gender, weight, and height.

To calculate your Body Mass Index, take your weight in kilograms and divide it by your height in meters square. The answer you get is your BMI.

This blog will take you through how to calculate Body Mass Index.

Let’s begin.

What you need to know about Body Mass Index(BMI).

Body Mass Index
Body Mass Index

BMI is an easy way to know which category each and every person falls into when it comes to weight. It helps in categorizing healthy weight people and unhealthy ones(overweight and underweight).

There are also a couple of tools available that may help you to know or calculate your Body Mass Index without any hindrances. They are known as BMI calculator/tools.

It is important to know your BMI to avoid the health risks of obesity. These health risks include Type 2 diabetes, High blood pressure, Heart disease, stroke, sleep apnea, osteoarthritis, and Fatty liver.

Obesity has recently been increasing both in men and women. Knowing your BMI will help you to know your health risks.  It is through BMI that you can categorize yourself as either underweight, overweight, or healthy weight.

Note: Despite being calculated using the same formula as adult BMI, BMI is interpreted differently for kids and adults.

Much as BMI indicates a person’s weight, it does not necessarily or accurately show the body fats because people have different bodies. Let me explain this using the following examples;

  • Because women tend to have more fat than men, the same BMI of men and women may mean two different things; a man is obese and a woman is extremely obese.
  • An athlete and a non-athlete may have the same BMI but different fat levels.
  • Older people have more fat than kids even if they have the same BMI.

To keep track of your Body Mass Index, especially in children, ensure you calculate your Body Mass Index once after every few months. This is because children’s BMI changes as they grow. Failure to do that might result in your child becoming obese, a condition that has befallen many children in the current years.

Maintaining a healthy weight prevents you and your children from many illnesses. To avoid obesity in children,

  • Ensure they eat healthily.
  • They drink adequate water.
  • Ensure they are active. They play, run, etc.
  • Limit watch time. Ensure they do not stay on TV all the time.
  • Buy toys such as balls for them to play and sweat out at least.

Different types of body weight

There are 5 different types of body weight. Usually, body weight is associated with healthy and unhealthy weight. Much as a high or low Body Mass Index is not directly associated with body fats, a high BMI may mean that your body has much fat whereas a low BMI indicates low body fat.

The body weight may include;

  • Underweight- below BMI 18.5.
  • Normal- 18.5 to 24.9
  • Overweight- 25.0 to 29.9
  • Obese-30.0 to 34.9.
  • Extremely obese- 0ver BMI 35.

Please, consult your doctor if you have concerns about your Body Mass Index so you can be advised accordingly. If you still cannot calculate your Body Mass Index on your own, the doctor will know exactly what to do.

If your Body Mass Index is low or high, discuss your weight with your doctor. By adjusting the type of food you eat or the amount of exercise you get each day, you can gain or lose weight depending on your needs. A dietitian can also give you advice on how to gain or lose weight in a healthy way based on your needs.

How to calculate Body Mass Index.

To calculate your BMI, you will need to know your weight in kilograms (kg) and your height in meters (m).

Here is the formula for calculating Body Mass Index:

BMI = weight (kg) / height (m)^2

For example, if you weigh 70 kg and are 1.75 m tall, your Body Mass Index would be calculated as follows:

BMI = 70 / (1.75)^2 = 70 / 3.06 = 22.9

It’s important to note that these guidelines may not apply to everyone and that other factors such as muscle mass and overall health should also be considered. If you are unsure about your BMI or have any concerns about your weight, it is always a good idea to consult a healthcare professional.

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