CSS Unit Converter
Convert px ↔ rem ↔ em ↔ pt ↔ % with an adjustable base font size.
Pixels (px)
Root em (rem)
Em (em)
Points (pt)
Percent (%)
Common preset jumps
Quick reference
rem— relative to the root<html>font size (default 16 px).em— relative to the parent element's font size. Tricky when nested.pt— print typography unit. 1 pt = 1/72 inch ≈ 1.333 px.%shown here is relative to the container width supplied below.
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