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Video: BMI Calculation

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Video: BMI : How to Calculate BMI 2023, January
BMI Calculation
BMI Calculation
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BMI calculation

The Body Mass Index (BMI) is a quick and easy way to compare your weight with your height. Adolphe Quetelet came up with this formula in 1830-1850.

BMI can be used to determine a person's obesity level. BMI measures the relationship between height and weight, but does not distinguish between fat (which weighs little) and muscle (which weighs a lot), and does not represent actual health status. A thin but sedentary person may have a healthy BMI but feel unwell and lethargic, for example. And finally, BMI is not calculated correctly for everyone (calorifier). For children under 14, pregnant women and bodybuilders, for example, BMI will be incorrect. For the average moderately active adult, the BMI will help determine how close or far off your weight is.

BMI calculation
BMI calculation

Calculation and interpretation of BMI

You can calculate your BMI in the following way:

BMI = weight divided by height in meters squared.

Example:

82 kilograms / (1.7 meters x 1.7 meters) = 28.4.

According to current WHO standards:

Less than 16 - weight deficit (pronounced);

  • 16-18.5 - underweight (underweight);
  • 18.5-25 - healthy weight (normal);
  • 25-30 - overweight;
  • 30-35 - degree I obesity;
  • 35-40 - II degree obesity;
  • Above 40 - obesity III degree.
  • Calculation and interpretation of BMI
    Calculation and interpretation of BMI

    You can calculate your BMI using our Body Parameters Analyzer.

    Recommendations according to BMI

    Being underweight can be critical, especially if it has been caused by illness or eating disorders. It is necessary to adjust the diet and consult a specialist - a therapist, nutritionist or psychotherapist, depending on the situation.

    People with a normal BMI are advised to aim for the mid-range if they want to improve their figure. Here you should pay more attention to the rules of burning fat and the composition of the BJU of your diet.

    Overweight people should strive for a norm - reduce calories and change their diet so that it is dominated by whole foods that have undergone minimal processing - meat, poultry and fish instead of sausages and convenience foods, cereals instead of white bread and pasta, fresh vegetables and fruits instead of juices and sweets. Particular attention should be paid to strength and cardio training.

    Recommendations according to BMI
    Recommendations according to BMI

    Obesity increases the risk of developing a number of diseases, so it is necessary to take measures now - to remove simple carbohydrates and foods containing trans fats from the diet, gradually move on to proper nutrition and introduce feasible physical activity. Treatment of obesity II and III degree should be carried out under the supervision of a physician.

    BMI and body fat percentage

    Many people confuse BMI and body fat percentage, but these are completely different concepts. As mentioned above, BMI does not take into account body composition, so it is advisable to measure the percentage of fat and muscle on special equipment (calorizator). However, world renowned nutritionist Lyle McDonald offers a way to roughly estimate body fat percentage based on body mass index. In his book, he suggested the table you see below.

    BMI and body fat percentage
    BMI and body fat percentage

    The result can be interpreted as follows:

    BMI and body fat percentage
    BMI and body fat percentage

    So, knowing your BMI allows you to understand how your weight is close or far from the norm of the World Health Organization. This indicator does not indicate the actual body fat content, and trained people with large muscle mass can be completely confusing. Lyle MacDonald's table is also designed for the average person. If it is important for you to know your exact percentage of fat, then you need to undergo a body composition analysis using special equipment.

    Author: Ekaterina G., nutritionist, fitness blogger (specially for Calorizator.ru)

    Copying of this article in whole or in part is prohibited.

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