How can I calculate BMI by myself?

Have you heard of BMI? Did you know BMI is used to measure body mass? And how to calculate BMI? Let’s find out with Hello Bacsi through this article.

Body mass index (BMI) is a measure of body fat based on weight and height. BMI measurement is appropriate for adult men and women 20 years of age and older. For children over 2 years old, measuring BMI is the most suitable method for determining body fat.

Measuring BMI is not a direct measure of body fat. However, research indicates that BMI involves direct measurements of body fat such as underwater body weight and dual X-ray energy absorptiometry (DXA). Therefore, many people choose BMI measurement method because it is inexpensive and easy to do without having to use the above measurement tools.

Formula to measure BMI based on height (meters)

Based on the unit of height is meters, the weight will be used in kilograms (kg), we divide the weight by the square of the height. Since height is usually measured in centimeters, to convert from centimeters (cm) to meters, simply divide your height by 100.

Formula given by BMI according to British measurement system

This formula uses pounds for weight and inches for height. Multiply your weight by 703 then divide by the square of your height (inches ² ).

You can also use Hello Bacsi’s online BMI calculator for both adults and children.

Classification of BMI

Here is the standard information for the levels of BMI in adults:

BMI less than 18.5

A BMI below 18.5 indicates that you are underweight and need to gain more weight. You should consult your doctor for a reasonable diet.

BMI is about 18.5-24.9

A BMI in this range indicates that you are at a healthy and appropriate weight. You will reduce the risk of dangerous diseases if you maintain this index.

BMI is about 25 – 29.9

A BMI of 25-29.9 indicates that you are mildly overweight. You should lose weight, but not too much. You need to consult your doctor for a suitable diet.

BMI 30 or more

A BMI over 30 indicates that you are obese. You are at risk of many diseases if you do not follow a weight loss diet. You need to see and talk to your doctor for advice.

After learning about BMI, try using the BMI measurement method to understand more about your body condition. Hope this article has provided you with a lot of useful information.