Rem

rem

Relative to root font size (default 16px)

About Rem (rem)

The root em (rem) is a CSS unit relative to the root element's font size, typically 16px in browsers. Unlike em, which compounds when nested, rem always references the same base, making it the preferred unit for consistent, accessible web typography and spacing in modern CSS frameworks.

Category
Typography
Symbol
rem
Also known as
rems root em
01

CONVERT TO

Pixel px Point pt Pica pc Em em Inch (CSS) in Centimeter (CSS) cm Millimeter (CSS) mm

Frequently Asked Questions

What is a Rem (rem)?

Relative to root font size (default 16px)

How many Pixel (px) are in one Rem (rem)?

One Rem (rem) equals 16 Pixel (px).

How many Point (pt) are in one Rem (rem)?

One Rem (rem) equals 12 Point (pt).

How many Pica (pc) are in one Rem (rem)?

One Rem (rem) equals 1 Pica (pc).

How do I convert Rem to Pixel?

To convert Rem to Pixel, multiply the value by 16 (1 rem = 16 px).