Imperial

BMI Calculator in lbs and inches

Use this BMI calculator in pounds and inches to estimate your body mass index using imperial units.

Your BMI Result

Fill in your height and weight, then click calculate to view your BMI result and healthy weight range.

How to Calculate BMI in lbs and inches

To calculate BMI using imperial units, divide weight in pounds by height in inches squared and multiply the result by 703.

Imperial BMI Formula

Imperial: BMI = (weight (lbs) ÷ height² (in²)) × 703

BMI Categories

CategoryBMI RangeHealth Risk
Underweight< 18.5Possible nutritional deficiency
Normal Weight18.5 – 24.9Low risk
Overweight25 – 29.9Moderate risk
Obese≥ 30High risk

Frequently Asked Questions

The Body Mass Index (BMI) is a screening tool used to identify whether an adult is underweight, at a healthy weight, overweight, or obese. It is calculated by dividing a person’s weight in kilograms by the square of their height in meters.

BMI = (weight in pounds ÷ height in inches squared) × 703.

Yes. Feet and inches can be converted into total inches before applying the formula.

Yes. Both versions are equivalent and should produce the same BMI result.