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PX to REM Converter

Convert pixels to rem units for scalable, accessible CSS. Free, private and instant.

About the PX to REM Converter

Rem units scale with the browser font size, so layouts respect user accessibility settings. Pixels stay fixed regardless of those settings.

When to use it

Use it when converting a design given in pixels to scalable CSS. With the default base of 16, 24px equals 1.5rem.

How to use the PX to REM Converter

  1. Enter or paste your input in the fields above.
  2. The result updates as you type, or press Run.
  3. Press Copy to copy the output.

Frequently asked questions

Is the PX to REM Converter free?

Yes. It is completely free, with no signup and no usage limits.

Is my data uploaded anywhere?

No. Everything runs locally in your browser, so what you type never leaves your device.

Does the PX to REM Converter work on mobile?

Yes. The tool is responsive and works on phones, tablets and desktops.

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