REM to Percent Converter

Convert `rem` (root em) values to `percent` values and other CSS units.

This tool helps you convert between `em`, `rem`, `px`, `percent`, and `pt` CSS units, and is bidirectional.

Unit Converter

EM em

REM rem

Percent %

Pixel px

Point pt

Base size of fonts is:

This is the `font-size` of the root `html` element (browser default is typically 16px).

CSS Style Properties:

REM

Percent

Pixel

Point

Preview:

EM Hello

REM Hello

Percent Hello

Pixel Hello

Point Hello

Common conversions based on current base font size.

EM	REM	Percent	Pixel	Point

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