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BMI Calculator
Calculate your Body Mass Index (BMI) using height and weight in metric or imperial units, with a health classification result.
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Frequently Asked Questions
BMI Calculator is a free online tool that helps you calculate your Body Mass Index (BMI) using height and weight in metric or imperial units, with a health classification result. It runs entirely in your browser — no sign-up or installation required.
Yes, BMI Calculator is completely free. There are no hidden charges, subscriptions, or account requirements. You can use it as many times as you like.
BMI Calculator uses industry-standard algorithms and formulas to ensure accurate results. All calculations are performed locally in your browser for speed and privacy. If you spot an issue, please let us know via the Contact page.