What is the BMI for 100 lbs at 5'4"?

17.2 (Underweight) — for someone who weighs 100 pounds and stands 5 feet 4 inches tall, the BMI is 17.2 (Underweight). Body Mass Index is calculated by dividing weight in pounds by height in inches squared, then multiplying by 703.

BMI categories are: Underweight (below 18.5), Normal weight (18.5 to 24.9), Overweight (25.0 to 29.9), and Obese (30.0 and above). BMI does not account for muscle mass, bone density, age, or gender, so it should be used alongside other health indicators.

Below is the step-by-step calculation used to determine the result.

Answer

17.2 (Underweight)

(100 × 703) ÷ (64²) = 17.2

Convert height

5'4" = 64 inches

Apply formula

(100 × 703) ÷ (64 × 64) = 17.2

Category

Underweight (BMI under 18.5)

Step-by-Step Solution

1

Convert height: 5'4" = 64 inches

2

Apply formula: (100 × 703) ÷ (64 × 64) = 17.2

3

Category: Underweight (BMI under 18.5)

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