BMI Calculator
Body Mass Index is a height-weight ratio used as a screening number, not a diagnosis. The calculator also shows the weight range that would keep BMI in the band you care about.
Calculator Universe is published by SmartAI Labs. The panel above is the interactive BMI Calculator; the rest of this page is ordinary HTML so you can read how the tool works without waiting for the app to boot.
How the BMI Calculator works
Body Mass Index is a height-weight ratio used as a screening number, not a diagnosis. The calculator also shows the weight range that would keep BMI in the band you care about.
Formula / method. BMI = weight(kg) / height(m)². WHO: underweight < 18.5, 18.5–24.9 typical, 25–29.9 overweight, ≥ 30 obese. Some Asian guidelines use 23 and 25 as cuts.
When to use it. Use it as a first look. Athletes, pregnant people and older adults are often mis-classed by BMI alone — waist or a clinician is the next step.
How to run a comparison
- Open BMI Calculator from Home search, the Health & Vitality hub, or this URL.
- Copy amounts, rates or dates from a document you already have — not a round marketing figure.
- Read the headline result and any breakdown (schedule, slabs, or intermediate rows).
- Change one input at a time so you can see what actually moves the answer.
- Cross-check with a related calculator below, then confirm statutory rates before you act.
Nothing you type is uploaded for server-side processing. Save or screenshot an output if you need it later; we do not keep a server-side history.
Notes and assumptions
Height and weight are as you type. No body-composition sensor.
Results are estimates for education and planning only. They are not financial, tax, medical, or legal advice. Slabs, scheme rates and product terms change; verify against official notifications or a qualified professional before acting.
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Browse the full Health & Vitality hub or return to the Calculator Universe home catalog for every tool.
About this page. The app panel is the interactive calculator; this HTML section is the publisher content for readers and ad-quality review. Privacy Policy · Terms & Disclaimer · About