Typography and Screen Length conversion

Convert CSS pixel (96 PPI) to Millimeter

1 css pixel (96 ppi) (px) equals 0.264583333333 millimeter (mm). Enter any value below to convert from px to mm.

Enter a value and choose units. Results update instantly.

1 px = 0.2645833333 mm

All Typography units

From 1 px
UnitValue
Inch in 0.0104166667
CSS pixel (96 PPI) px 1
Point pt 0.75
Pica pc 0.0625
Millimeter mm 0.2645833333
Centimeter cm 0.0264583333
Twip twip 15
Recent conversions
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Formula

px to mm conversion formula

Use this relationship for a direct conversion:

mm = px x 0.264583333333

Worked example

2 px = 0.5291666667 mm.

Pixel conversions assume 96 pixels per inch. Use actual device or print PPI when physical pixel size matters.

Quick reference

CSS pixel (96 PPI) to Millimeter table

CSS pixel (96 PPI) (px)Millimeter (mm)
0.010.0026458333
0.10.0264583333
10.2645833333
20.5291666667
51.3229166667
102.6458333333
256.6145833333
5013.2291666667
10026.4583333333
1,000264.5833333333

From unit

About the css pixel (96 ppi)

One 96th of an inch under the CSS reference-pixel convention.

Symbol: px

To unit

About the millimeter

One thousandth of a meter.

Symbol: mm

Keep converting

Related conversions

Millimeter to CSS pixel (96 PPI)Reverse this conversion CSS pixel (96 PPI) to Inchpx to inCSS pixel (96 PPI) to Pointpx to ptCSS pixel (96 PPI) to Picapx to pcCSS pixel (96 PPI) to Centimeterpx to cmCSS pixel (96 PPI) to Twippx to twip

Source

Conversion standard

Definitions are checked against CSS Values and Units Level 4. Calculations use full internal precision before display rounding.

View the complete typography and screen length converter

Questions

px to mm FAQ

How do you convert css pixel (96 ppi) to millimeter?

Use the formula mm = px x 0.264583333333. 1 css pixel (96 ppi) (px) equals 0.264583333333 millimeter (mm).

Is the px to mm conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.