Convert css pixels to millimetres
1 px = 0.264583333333 mm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 8 typography length units
- Metres m 0.000 264 583 333 333
- Millimetres mm 0.264 583 333 333
- Inchs in 0.010 416 666 666 7
- CSS pixels px 1
- PostScript points pt 0.75
- Picas pc 0.0625
- Quarter millimetres Q 1.058 333 333 33
- Twips twip 15
Every row is CSS pixel (px) converted through the meter, in exact rational arithmetic.
How to convert css pixels to millimetres
Multiply the number of css pixels by 0.264583333333 to get millimetres.
CSS pixel: The CSS reference conversion is exactly 96 px per inch; a physical screen pixel can differ.
CSS pixel to Millimetre conversion table
| CSS pixels (px) | Millimetres (mm) |
|---|---|
| 1 px | 0.264 583 33 |
| 2 px | 0.529 166 67 |
| 3 px | 0.793 75 |
| 5 px | 1.322 916 7 |
| 10 px | 2.645 833 3 |
| 20 px | 5.291 666 7 |
| 25 px | 6.614 583 3 |
| 50 px | 13.229 167 |
| 100 px | 26.458 333 |
| 250 px | 66.145 833 |
| 500 px | 132.291 67 |
| 1000 px | 264.583 33 |
Millimetre to CSS pixel conversion table
| Millimetres (mm) | CSS pixels (px) |
|---|---|
| 1 mm | 3.779 527 6 |
| 2 mm | 7.559 055 1 |
| 3 mm | 11.338 583 |
| 5 mm | 18.897 638 |
| 10 mm | 37.795 276 |
| 20 mm | 75.590 551 |
| 25 mm | 94.488 189 |
| 50 mm | 188.976 38 |
| 100 mm | 377.952 76 |
| 250 mm | 944.881 89 |
| 500 mm | 1889.7638 |
| 1000 mm | 3779.5276 |
Frequently asked
How many millimetres are in a css pixel?
One css pixel equals 0.2645833333 millimetres (px → mm). That figure is exact, not rounded.
How do you convert css pixels to millimetres?
Multiply the number of css pixels by 0.264583333333 to get millimetres.
What is 1 mm in css pixels?
One millimetre is 3.779527559 css pixels.
What is 10 px in mm?
10 px = 2.645 833 3 mm.
What exactly is a css pixel?
The CSS reference conversion is exactly 96 px per inch; a physical screen pixel can differ.