What formula is used to calculate Body Mass Index (BMI)?

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The formula to calculate Body Mass Index (BMI) is accurately represented as weight in pounds divided by height in inches squared, and then this result is multiplied by 703. This calculation is essential for determining an individual’s body mass in relation to their height, allowing for a standard measure that can be used to assess whether a person falls within a healthy weight range.

In the correct formula, weight is first divided by the square of height, which reflects the principle that weight is distributed over an area (height squared). The multiplication by 703 is a conversion factor used to adjust the result into the standard units for BMI commonly used in the United States.

Other choices fail to correctly represent this relationship. Some present the height in the denominator incorrectly, suggest subtracting height from weight instead of using division, or misplace the conversion factor within the structure of the formula. Thus, the correct formula ensures an accurate calculation of BMI, which is widely used in health assessments.

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