HappyTools

Unit converter

Typography Converter

Convert between pixels, points, em, and rem. Configurable base font size and DPI.

Em to Rem

1 Em = 1 Rem
1

About these units

Em

The em is a relative unit equal to the current element's font size, so spacing and sizing scale with the text.

Rem

The rem is relative to the root font size (usually 16px), giving consistent, scalable sizing across a whole page.

Conversion formula

To convert Em to Rem, multiply the value by 1.

Quick reference

EmRem
11
22
55
1010
100100

Frequently asked questions

How many Rem are in one Em?
1 Em = 1 Rem.
How many Em are in one Rem?
1 Rem = 1 Em.

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