BMI Calculator (lb & inches)
US-style BMI from pounds and inches using the ×703 conversion, with CDC adult reference ranges.
The 703 factor simply converts pounds and inches into the metric BMI definition — both unit systems give the same number. Defaults are the approximate US adult averages (175 lb, 5′9″).
Formula
For general information only — not medical advice, a diagnosis or a treatment plan. Consult a qualified healthcare professional before making health, diet, medication or exercise decisions.
US-style BMI from pounds and inches using the ×703 conversion, with CDC adult reference ranges. The BMI Calculator (lb & inches) is a free, private bmi calculator pounds tool — every result computes instantly in your browser with no sign-up and no data upload.
About BMI Calculator (lb & inches)
The 703 factor simply converts pounds and inches into the metric BMI definition — both unit systems give the same number. It applies BMI = 703 × weight (lb) ÷ height² (in²). Use the BMI Calculator (lb & inches) to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use BMI Calculator (lb & inches)
- 1Enter your details in the BMI Calculator (lb & inches) input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use BMI Calculator (lb & inches)?
- ✓Instant bmi calculator pounds result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (CDC — About Adult BMI)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the BMI Calculator (lb & inches) work?+
The 703 factor simply converts pounds and inches into the metric BMI definition — both unit systems give the same number. The calculation uses the formula: BMI = 703 × weight (lb) ÷ height² (in²). Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the BMI Calculator (lb & inches) accurate, and what is it based on?+
The method is traceable to authoritative sources, including CDC — About Adult BMI; WHO Technical Report Series 854. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the BMI Calculator (lb & inches) free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This tool is for general information only and is not medical advice. Always consult a qualified healthcare professional before making health decisions.
What can I use the BMI Calculator (lb & inches) for?+
It's commonly used for bmi calculator pounds, bmi lbs inches, imperial bmi. US-style BMI from pounds and inches using the ×703 conversion, with CDC adult reference ranges.
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