MM to EM Converter | CSS Unit Calculator (Online)
Convert Millimeters (mm) to EM.
About MM to EM Converter | CSS Unit Calculator (Online)
The MM to EM converter converts physical millimeter lengths into relative EM units. It first converts MM to PX using the DPI, then PX to EM using the parent element's font size.
Formula for MM to EM Converter | CSS Unit Calculator (Online)
EM = ((MM × DPI) ÷ 25.4) ÷ Parent Font Size
Examples
10mm at 96 DPI / 16px parent
=
2.36em
Reference
- • 25.4 mm = 1 inch