BMI Calculator - Is it free?

Yes, it is completely free and no signup is required. All processing is done in your browser, so no data is sent to servers.

Can I use it on mobile?

Yes, it works on all devices. The responsive design supports mobile, tablet, and desktop.

No, all processing is done in your browser. Your data is never sent to servers, so it is safe.

Free online BMI calculator. Easily calculate BMI and ideal weight. No installation, free.

Height (cm)

Weight (kg)

18.5 underUnderweight

18.5 - 22.9Normal

23 - 24.9Overweight

25 - 29.9Obese Class I

30 - 34.9Obese Class II

35 or moreExtremely Obese

* BMI is for reference only. Consult a professional for accurate health status.

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