How to Calculate BMI: Step-by-Step Formula Explained

Learn how to calculate your BMI using the simple formula with weight and height in metric units to assess healthy body weight.

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To calculate BMI, use the formula: BMI = weight (kg) / (height (m) * height (m)). Start by converting height into meters if needed, then square the height value. Divide the individual's weight in kilograms by the squared height value. The resulting number is the Body Mass Index (BMI), which helps in assessing whether a person has a healthy body weight. For example, if someone weighs 70 kg and is 1.75 meters tall, the calculation would be 70 / (1.75 * 1.75) = 22.86.

FAQs & Answers

  1. What is the BMI formula? The BMI formula is BMI = weight (kg) divided by height (m) squared, which helps assess whether a person's weight is healthy.
  2. How do I convert height to meters for BMI calculation? To convert height to meters, divide the height in centimeters by 100 or convert from feet and inches to meters by multiplying feet by 0.3048 and inches by 0.0254.
  3. What BMI range indicates a healthy weight? A BMI between 18.5 and 24.9 is generally considered a healthy weight range for adults.

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