CSS Units Converter
Convert px, rem, em, pt, and more.
px
16
rem
1
em
1
pt
12
pc
1
in
0.1667
cm
0.4233
mm
4.2333
About
Type a value in any CSS unit and the others update live. Adjust the root font size for accurate rem calculations. Defaults to 16 px which is the browser standard.
How to use
- Type a value in any unit.
- Read the equivalents.
FAQ
Why does my rem value look wrong?+
Check the root font size. If your CSS sets html font-size to 62.5%, then 1 rem is 10 px instead of the default 16 px. Adjust the input here to match.