Pixel (CSS) to Millimeter

1 px = 0.26458333 mm

Value

From

Precision & format

Significant figures

Notation

Show fractions

1 px equals

0.2645833333mm

All 11 units

Point (PostScript)pt
1/72 in
0.753⁄4
Picapc
12 pt
0.06251⁄16
Pixel (CSS)px
at 96 dpi
11
Emem
at 16 px default
0.06251⁄16
Inchin
0.010416666671⁄64
Millimetermm
0.264583333317⁄64
Centimetercm
0.026458333331⁄32
Point (TeX)pt (TeX)
1/72.27 in
0.75281253⁄4
Point (Didot)dd
0.376065 mm
0.703557452445⁄64
Cicerocc
12 Didot pt
0.05862978771⁄16
Twiptwip
1/20 pt
1515

Pixel (CSS) to Millimeter table

Common Pixel (CSS) values converted to Millimeter
Pixel (CSS) (px)	Millimeter (mm)
1	0.26458333
2	0.52916667
5	1.3229167
10	2.6458333
20	5.2916667
50	13.229167
100	26.458333
250	66.145833
500	132.29167
1,000	264.58333

How the conversion works

Multiply the pixel (css) figure by 0.2645833333 to get millimeter. Every factor on this site is anchored to the SI base unit for typography, so the same number is used everywhere it appears.

Going the other way, 1 mm = 3.7795276 px — see millimeter to pixel (css).

See all 11 typography units →