CSS Unit Converter
— Convert between px, rem, em, vw, vh, pt, and more.
CSS Unit Converter
Value
From
px
rem
em
pt
vw
vh
%
in
cm
mm
Result
1
To
px
rem
em
pt
vw
vh
%
in
cm
mm
Reference Values
Base Font Size (px)
Viewport Width (px)
Viewport Height (px)
16 px in all units
px
16
rem
1
em
1
pt
12
vw
0.833333
vh
1.481481
%
100
in
0.166667
cm
0.423333
mm
4.233331