Health

BMI Calculator (Imperial)

Calculate BMI using pounds plus feet and inches—perfect for US measurements and quick weight-class checks.

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BMI (Imperial)

Imperial-friendly entry with feet/inches height and pounds for weight.

Weight (lb)Height (ft)Height (in)

BMI

22.8

BMI (imperial units)

BMI = 703 × weight_lb ÷ (height_in)²

The constant 703 converts imperial measurements to match the metric BMI standard without manual unit conversion.

Enter weight in pounds.
Provide height in feet and remaining inches.
The calculator combine the values, applies the BMI formula, and labels the category.

Example

Input: Weight = 150 lb, Height = 5 ft 8 in

Output: BMI ≈ 22.8 (Normal weight)

Why do we multiply by 703?

703 scales pounds and inches to the same ratio produced by kilograms and meters, delivering the standard BMI reading.

Can I mix feet/inches and decimal values?

Yes. You can type fractional inches such as 5.5 in to dial in precise height measurements.