Passport Photo DPI and Pixels Guide (2026): 2x2, 35x45, 50x70, 300 DPI, and 600 DPI
Use this guide to compare passport photo pixel dimensions at 300 and 600 DPI for 2x2, 35x45, and 50x70 formats, then match them to digital upload rules and print output.
What DPI and pixels actually control
Passport photo DPI and passport photo pixel size questions usually sound more technical than they really are. Millimetres or inches define the physical output. Pixels define the digital image size. DPI tells a printer how densely to place those pixels on paper. If you mix those layers up, you can end up with a file that looks fine on screen but prints at the wrong size.
That is why Passlens treats size math, digital uploads, and print layouts as separate layers. If your goal is digital upload compliance, use this page together with the digital passport photo requirements guide. If your goal is physical output, pair it with passport photo print layouts.
Common passport photo conversions
| Format | 300 DPI | 600 DPI | Best supporting guide |
|---|---|---|---|
| 2x2 inches | 600 x 600 px | 1200 x 1200 px | 2x2 passport photo size |
| 35x45 mm | 413 x 531 px | 827 x 1063 px | 35x45 photo size guide |
| 50x70 mm | 591 x 827 px | 1181 x 1654 px | 50x70 passport photo size |
Those conversions are useful when a printer, photo editor, or online portal asks for pixels. They do not override a government authority that publishes its own digital-upload range. The U.S. Department of State, for example, publishes a specific digital square range. Singapore publishes its own digital upload target.
If your real question is whether 300 DPI is enough, when 600 DPI helps, or how DPI changes once the file moves from upload to print, the dedicated passport photo DPI guide is the next page to open.
Digital uploads and print exports are different jobs
A digital passport upload is usually constrained by file dimensions, file size, and sometimes file format. A print export is constrained by the real-world frame size and by whether the printer keeps the sheet at 100% scale. If you want one file that can do both jobs, start with the country guide first, then check whether the same authority accepts both printed and digital routes.
Where to go next
If you already know the country, use the country guide. If you only know the target format, use the size guide. If your problem is a sheet layout or printer scaling, move into the print layouts hub instead.