2x2 Passport Photo Size
A "2x2 passport photo" is 2 by 2 inches - 51 by 51mm - the standard size for a U.S. passport or visa photo. At 300 DPI, that's 600×600 pixels.
Which documents use this size
| Document | DPI | Background | Max file size |
|---|---|---|---|
| OCI Card Photo | 300 | Plain light color (not white) | 200 KB |
| US Passport & Visa Photo | 300 | White or off-white | 230 KB |
51×51mm in pixels
The pixel size depends on the DPI (resolution) a specific document requires - here's 51×51mm at a few common resolutions:
| Resolution | Pixel size |
|---|---|
| 300 DPI | 602 × 602 px |
| 400 DPI | 803 × 803 px |
| 600 DPI | 1204 × 1204 px |
DPI and file-size limits are read directly from this tool's own template data - the same values used when you make a photo.
Make a 51×51mm photo now →See the full size chart for every country and document this tool supports.
FAQ
Is 2x2 inches the same as 51x51mm?
2 inches is 50.8mm, rounded to 51mm - the two figures describe the same size, just in different units.
What DPI should a 2x2 passport photo be?
300 DPI is the standard requirement for a U.S. passport photo, giving a 600x600 pixel image at this size.
Is a 2x2 photo the same as a square online-upload photo?
Not necessarily - the printed 2x2in photo and the digital upload for online renewal are specified differently. See our <a href="/guides/online-passport-renewal-photo.html">online renewal photo guide</a> for the digital-upload spec.