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.
Use this BMI calculator in pounds and inches to estimate your body mass index using imperial units.
Fill in your height and weight, then click calculate to view your BMI result and healthy weight range.
To calculate BMI using imperial units, divide weight in pounds by height in inches squared and multiply the result by 703.
Imperial: BMI = (weight (lbs) ÷ height² (in²)) × 703
| Category | BMI Range | Health Risk |
|---|---|---|
| Underweight | < 18.5 | Possible nutritional deficiency |
| Normal Weight | 18.5 – 24.9 | Low risk |
| Overweight | 25 – 29.9 | Moderate risk |
| Obese | ≥ 30 | High risk |
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.
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