Millimetres to pixels at 96 DPI
At 96 DPI, one millimetre is 3.78 pixels. Multiply millimetres by 3.78 to get pixels.
The formula
Pixels = millimetres ÷ 25.4 × 96. There are 25.4 millimetres in an inch, so one millimetre is 96 ÷ 25.4 = 3.78 pixels. Round the result to a whole pixel.
Millimetres to pixels at 96 DPI
| Millimetres | Pixels |
|---|---|
| 1 mm | 4 px |
| 2 mm | 8 px |
| 3 mm | 11 px |
| 5 mm | 19 px |
| 10 mm | 38 px |
| 15 mm | 57 px |
| 20 mm | 76 px |
| 25 mm | 94 px |
| 30 mm | 113 px |
| 35 mm | 132 px |
| 40 mm | 151 px |
| 45 mm | 170 px |
| 50 mm | 189 px |
| 60 mm | 227 px |
| 70 mm | 265 px |
| Millimetres | Pixels |
|---|---|
| 80 mm | 302 px |
| 90 mm | 340 px |
| 100 mm | 378 px |
| 105 mm | 397 px |
| 148 mm | 559 px |
| 150 mm | 567 px |
| 200 mm | 756 px |
| 210 mm | 794 px |
| 250 mm | 945 px |
| 297 mm | 1,123 px |
| 300 mm | 1,134 px |
| 420 mm | 1,587 px |
| 500 mm | 1,890 px |
| 594 mm | 2,245 px |
| 841 mm | 3,179 px |
96 DPI is the reference resolution of Windows and of the web: CSS defines one inch as 96 pixels, so a web page sized in inches or millimetres is laid out at 96 pixels to the inch.