Free toolFree MM to Pixels Converter. And pixels to mm.
Convert millimeters to pixels, and px to mm, at any DPI: 1 mm is 3.78 px at 96 DPI and 11.8 px at 300 DPI. Free, in your browser.
Free, no account needed.
96 DPI is the CSS pixel and the default of most screens. For print, use 300 DPI for photos and flyers, and 150 DPI for large posters.
3.78 px = 0.039 in = 0.1 cm = 1 mm at 96 DPI.
| Size | At 300 DPI | At 150 DPI |
|---|---|---|
| 1 × 1 mmOne millimeter | 12 × 12 | 6 × 6 |
| 25.4 × 25.4 mmOne inch | 300 × 300 | 150 × 150 |
| 85 × 55 mmBusiness card (EU) | 1,004 × 650 | 502 × 325 |
| 85.6 × 54 mmID card | 1,011 × 638 | 506 × 319 |
| 100 × 150 mmPhoto | 1,181 × 1,772 | 591 × 886 |
| 210 × 297 mmA4 | 2,480 × 3,508 | 1,240 × 1,754 |
How it works.
- 01
Enter the millimeters
Enter a width or a height in millimeters. To go the other way, enter pixels.
- 02
Set the DPI
96 for CSS and screens, 300 for photos and print. The other fields change as you type.
- 03
Use the result
Use the pixels for your design or your CSS, or the millimeters for your print.
Questions, answered.
Can't find what you need? Email an@bannerify.co and you'll hear back from the founder.
How do I convert mm to pixels?
Divide the millimeters by 25.4 to get inches, then multiply by the DPI (pixels per inch). At 96 DPI, 50 mm is 189 pixels. At 300 DPI, 50 mm is 591 pixels. Enter the millimeters and the DPI above to get the pixels.
How many pixels is 1 mm?
About 3.78 pixels in CSS and on most screens, where 1 inch is 96 pixels. In print, 1 mm is about 11.8 pixels at 300 DPI, 5.9 pixels at 150 DPI, and 2.83 pixels at 72 DPI.
How do I convert px to mm?
Divide the pixels by the DPI to get inches, then multiply by 25.4. At 96 DPI, 100 pixels are about 26.5 mm. At 300 DPI, 1000 pixels are about 84.7 mm. Enter the pixels in the Pixels field above.
How many mm is 1 pixel?
A pixel has no fixed size: the DPI sets it. At 96 DPI, 1 pixel is about 0.265 mm. At 300 DPI, 1 pixel is about 0.085 mm.
How many pixels is a business card or an ID card?
At 300 DPI, an 85 × 55 mm business card is 1004 × 650 pixels, and an 85.6 × 54 mm ID card is 1011 × 638 pixels. Print shops often ask for a few millimeters of bleed on each side, so check the size that your shop asks for.
Which DPI should I use?
For CSS and web pages, use 96. For a print, use 300 for photos, labels, and cards, and 150 for large posters seen from afar. When a print shop or an upload form asks for a DPI, use the value that it asks for.
What is A4 in pixels?
A4 is 210 × 297 mm: 2480 × 3508 pixels at 300 DPI, and 794 × 1123 pixels at 96 DPI.
How do I convert centimeters to pixels?
Enter the value in the Centimeters field above. 1 cm is 10 mm: about 37.8 pixels at 96 DPI, and 118 pixels at 300 DPI.
Is this converter free?
Yes, and you need no account. The converter runs in your browser, so nothing that you type leaves your device.
Doing this a thousand times?
Design a label, a badge, or a ticket once, and render one image or PDF for each row of your data.
