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Normal Weight or Overweight?
Use the BMI Formula to Find Out

The BMI formula yields a number that indicates whether we are underweight, normal weight, overweight, or obese. BMI stands for Body Mass Index. A number between 18.5 and 24.9 means that you are normal weight. Most health professionals today use the BMI because it gives them a way to compare obesity rates between individuals or populations. 

BMI Table

 This table applies to adults aged 20 and older. There are separate tables for children and teenagers.

BMI Weight category
Below 18.5 Underweight
18.5 - 24.9 Normal weight
25 - 29.9 Overweight
30 and above Obese

Body Mass Index Formula for English/U.S. System

As an example, we will use a person who weighs 140 pounds and is 67 inches (5' 7") tall:
  1. Multiply your weight in pounds by 703.
    (Example: 140 x 703 = 98420)

  2. Square your height in inches (multiply by itself)
    (Example: 67 x 67 = 4489)

  3. Divide the first number by the second.
    (98420/4489 = 21.9)

  4. The BMI is 21.9, which is in the normal weight range.

Body Mass Index Formula for Metric System

As an example, we will use a person who weighs 78 kilograms and is 183 cm tall:
  1. Determine your weight in kilograms.
    (That's easy: 78)

  2. Multiply your height in meters by itself (square it).
    (183 cm = 1.83 meters)
    (1.83 x 1.83 = 3.3489)

  3. Divide the first number by the second.
    (78/3.3489 = 23.3)

  4. The BMI is 23.3, which is in the normal range.

If your BMI is 25 or above, your health may be at risk. Use our free vegan weight loss plan to get your BMI into the normal range. You will lose weight safely without hunger or cravings.

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