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.
Step-by-step walkthrough
BMI Calculator (Imperial) Guide
Use this companion guide beside the interactive calculator to make sure you understand the “why” behind every click. Each section includes the classroom explanation, student-friendly language, and quick practice prompts.
Before you start
Collect the data points listed below and double-check their units. Keeping an organized “givens” list is one of the fastest ways to reduce math errors and impress exam graders.
- bmi
- imperial
- health
Detailed procedure
Step 1
Enter weight in pounds.
Step 2
Provide height in feet and remaining inches.
Step 3
The calculator combine the values, applies the BMI formula, and labels the category.
Teaching & troubleshooting tips
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.