How Is Obesity Measured? Understanding BMI and Weight Thresholds

Discover how obesity is defined by BMI rather than just kilograms overweight and learn how to calculate your BMI accurately.

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Obesity is defined based on body mass index (BMI), not simply by being a certain number of kilograms overweight. An adult is considered obese when their BMI is 30 or higher. BMI is calculated by dividing a person's weight in kilograms by the square of their height in meters. To determine if one is obese, it's best to calculate their BMI rather than focusing on kilograms alone.

FAQs & Answers

  1. What BMI value defines obesity? Obesity is defined as having a Body Mass Index (BMI) of 30 or higher.
  2. Can I determine obesity based on kilograms overweight alone? No, obesity is determined using BMI, which factors in both weight and height, rather than just kilograms overweight.
  3. How do I calculate my BMI? BMI is calculated by dividing your weight in kilograms by the square of your height in meters (BMI = weight ÷ height²).

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