What Is an Imperial BMI Calculator?
An imperial BMI calculator uses weight in pounds and height in inches, multiplying by 703 to produce the BMI value.
Imperial
Imperial BMI Calculator
This imperial BMI calculator helps you calculate body mass index using pounds and inches.
Your BMI Result
Fill in your height and weight, then click calculate to view your BMI result and healthy weight range.
Imperial BMI Formula
Imperial: BMI = (weight (lbs) ÷ height² (in²)) × 703
BMI Categories
| 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 |
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.
Weight is entered in pounds and height in inches.
Yes. Convert feet and inches into total inches before calculation.
Yes. The formulas are equivalent.
Explore Similar Calculators
Browse related calculator variations and find the version that matches your preferred units or use case.
Adult BMI Calculator
Estimate BMI using standard adult BMI categories.
Open calculator
Obesity BMI Calculator
Check whether your BMI falls in the obesity range.
Open calculator
BMI Calculator
Use the standard BMI calculator with metric and imperial support.
Open calculator
BMI Calculator by Age
Estimate BMI and explore how age can affect interpretation.
Open calculator
Check Out Other Calculators
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
Open calculator
Percentage Calculator
Solve percentage-based problems quickly, including increases, decreases, and proportions.
Open calculator
Discount Calculator
Figure out final prices and total savings when discounts are applied.
Open calculator
Date Calculator
Calculate the duration between two dates for planning and timeline management.
Open calculator