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BMI Calculator

Math & Numbers

Calculate Body Mass Index from height and weight. Free, private — all processing in your browser.

What is X% of Y?

What is% of=?

X is what % of Y?

is what % of=?

Percentage Change

Fromto=?

Increase Value by %

increased by% =?

Decrease Value by %

decreased by% =?

How to use

1. Enter or paste your data in the input area above
2. Adjust settings or options as needed
3. Click the action button or see real-time results
4. Copy the result with the copy button

All processing happens in your browser. Nothing is sent to any server.

About this tool

Calculate your BMI from height and weight. Shows BMI category (underweight, normal, overweight, obese) with health information.

FAQ

▶Is the BMI Calculator free to use?

Yes, completely free. No signup, no premium tiers, no hidden costs.

▶Is my data safe when using the BMI Calculator?

All processing happens in your browser. Your data never leaves your device.

▶Does the BMI Calculator work on mobile?

Yes, fully responsive. Works on smartphones, tablets, and desktops.

▶Do I need to install anything?

No. It runs entirely in your web browser. Just open the page and use it.

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