BMI Calculator (Imperial — lbs & feet)

Calculate Body Mass Index from pounds and feet/inches — WHO categories included.

Formula

BMI = 703 × weight (lbs) / height (inches)²

Examples

InputResult
155 lbs, 5'9"22.9 (Normal)
120 lbs, 5'4"20.6 (Normal)
200 lbs, 5'10"28.7 (Overweight)

Frequently Asked Questions

How do I enter my height?

In inches — 5 feet 9 inches is 69 inches (multiply feet by 12, then add inches).

Is the result the same as metric BMI?

Yes — the 703 factor converts the imperial units so the number matches the metric formula exactly.

Is BMI a medical diagnosis?

No. It is a screening number; consult a professional for health advice.

Related Calculators

BMI Calculator (Metric)BMI Calculator for WomenBMI Calculator for Men