To convert CSS pixels to millimeters, multiply the value by 0.264583. To go the other way, multiply millimeters by 3.77953 to get CSS pixels.
| CSS Pixels (px) | Millimeters (mm) |
|---|---|
| 1 px | 0.264583 mm |
| 2 px | 0.529167 mm |
| 3 px | 0.79375 mm |
| 4 px | 1.05833 mm |
| 5 px | 1.32292 mm |
| 6 px | 1.5875 mm |
| 7 px | 1.85208 mm |
| 8 px | 2.11667 mm |
| 9 px | 2.38125 mm |
| 10 px | 2.64583 mm |
| 12 px | 3.175 mm |
| 14 px | 3.70417 mm |
| 15 px | 3.96875 mm |
| 20 px | 5.29167 mm |
| 21 px | 5.55625 mm |
| 24 px | 6.35 mm |
| 25 px | 6.61458 mm |
| 30 px | 7.9375 mm |
| 40 px | 10.5833 mm |
| 50 px | 13.2292 mm |
| 60 px | 15.875 mm |
| 75 px | 19.8437 mm |
| 80 px | 21.1667 mm |
| 100 px | 26.4583 mm |
| 200 px | 52.9167 mm |
| 250 px | 66.1458 mm |
| 300 px | 79.375 mm |
| 400 px | 105.833 mm |
| 500 px | 132.292 mm |
| 750 px | 198.437 mm |
| 1,000 px | 264.583 mm |
CSS pixel (px). A CSS pixel is defined as 1/96 of an inch (about 0.2646 mm) and is used in screen layouts.
Millimeter (mm). A millimeter is one thousandth of a meter, used for small measurements such as thickness and rainfall.
There are 0.264583 millimeters in one CSS pixel.
Multiply the number of CSS pixels by 0.264583. For example, 10 CSS pixels equal 2.64583 millimeters.
One millimeter equals 3.77953 CSS pixels.
3.175 millimeters. Other common values: 5 CSS pixels = 1.32292 millimeters and 100 CSS pixels = 26.4583 millimeters.