em to cm CSS Converter
Convert Em to Centimeter. Assumes 1em = 0.423333cm at the default 16px root font-size and 1920×1080 viewport. Adjust root context below for precise rem/em/vw/vh calculations.
Input Em
em
Result Centimeter
cm
Context
Common values
0.25em 0.105833cm
0.5em 0.211667cm
0.75em 0.3175cm
1em 0.423333cm
1.25em 0.529167cm
1.5em 0.635cm
2em 0.846667cm
3em 1.27cm
4em 1.6933cm