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PX to REM Converter

Convert CSS pixels to rem using your chosen root font size.

Translate a common CSS measurement with a transparent formula.

Your inputs stay on your device

Convert PX to REM

live result
px
px
REM value
1.5rem
Pixels ÷ root font size

Processing stays local in this browser.

Context & Reference

How it works

For translating CSS pixels and rem using a chosen root size.

converter guide

How to use it

Use this converter with your own values, then review the clearly labelled result and copy it when you need it elsewhere.

Understand the result

The equivalent rem value is shown.

Example

24px at a 16px root becomes 1.5rem.

Practical tip

CSS pixels are not physical display pixels.

Notes

This converter runs locally in this browser. CSS pixels are not physical display pixels.

Useful next steps

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Continue with a closely related task, calculation, conversion, or local text tool.