Font Size Converter
Convert between pixels, rem, em, and points instantly.
16.000
px
1.000
rem
1.000
em
12.000
pt
Preview at 16.0px
Understanding Font Size Units
px (pixels) are absolute units. rem is relative to the root element font size. em is relative to the parent element. pt (points) are traditionally used in print (1pt = 1/72 inch).