EM to MM Converter
Convert EM units to Millimeters (MM).
About EM to MM Converter
The EM to MM converter provides precision conversion from web-based EM units to millimeters for detailed design work. Millimeters offer precise metric measurements essential for technical drawings, product design, packaging, and detailed print specifications.
Formula
MM = (EM × Base Font Size) ÷ 3.7795
Examples
2em (16px base)
=
8.467 mm
1em (16px base)
=
4.233 mm
1.5em (20px base)
=
7.938 mm
Reference
- • 1 cm = 10 mm
- • 1 inch = 25.4 mm
- • 96px = 25.4 mm
- • Used for technical drawings
Frequency Asked Questions
Why MM?
Precision work, technical specs.
Pixels per MM?
Approx 3.78 px/mm.
Is it accurate?
Yes, based on standard DPI.
Can I use MM in CSS?
Yes, unit 'mm' is valid.