PX to REM Converter

Runs in your browser — nothing is uploaded

Value

Unit

Root font-size (px, for rem)

Parent font-size (px, for em/%)

Equivalent in every unit

About this tool

Converts a CSS length across px, rem, em, pt, and %. rem is relative to the root (<html>) font-size, em and % are relative to the parent element's font-size — adjust those base values below to match your actual page.

Frequently asked questions

What is PX to REM Converter?

Convert a CSS length across px, rem, em, pt, and %. It is one of the CSS & Frontend tools on MyCodeTips.

How do I use PX to REM Converter?

Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.

Is PX to REM Converter free to use?

Yes. It is free to use and does not need an account.

Is my data safe with PX to REM Converter?

Yes. It runs entirely in your browser, so what you enter is never uploaded to our servers.

Can I share my result?

Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.