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#CSS Tools

PX to REM Converter

Use this free online PX to REM Converter to convert pixels to rem units based on the root font size. It works instantly in your browser, and your data never leaves your device.

About the PX to REM Converter

REM units scale with the root font size, which makes layouts accessible. With the default browser size of 16px, 1rem equals 16px, so rem = px / base. Change the base if your project uses a different root size.

Also known as: px to rem, pixel to rem, convert px to rem.

How to use the PX to REM Converter

  1. Enter your values in the fields above.
  2. The PX to REM Converter updates the result instantly as you type.
  3. Copy the result or change any value to compare scenarios.

Features

  • Free with no signup and no daily limits
  • Private: runs entirely in your browser
  • Works on mobile, tablet and desktop
  • Instant results with no button to press
  • Clean, fast interface with no popups

Frequently asked questions

Is the PX to REM Converter free to use?

Yes. The PX to REM Converter is completely free with no signup, no limits on normal use and no watermark.

Can I choose the indentation?

Yes. Pick 2 spaces, 4 spaces or tabs from the options, and the output updates instantly.

Does it work offline and on mobile?

Once the page has loaded, the tool runs in your browser and works on phones, tablets and desktops.

What else is this tool called?

People also search for it as px to rem, pixel to rem, convert px to rem. It is the same free tool.