The 2×2 inch passport photo (51×51 mm) is the standard square format used for US passports, visas, and government documents worldwide. Required for passports, visas, ID cards, and official applications in over 80+ specifications across 60+ countries.
| Unit | Value |
|---|---|
| Inches | 2 × 2 in |
| Millimeters | 51 × 51 mm |
| Centimeters | 5.1 × 5.1 cm |
| Pixels (300 DPI) | 600 × 600 px |
| Pixels (600 DPI) | 1200 × 1200 px |
| Aspect Ratio | 1 : 1 (Square) |
Note: These values apply to most international passport and visa photos using the 2×2 inch format.
Looking for a specific country? Browse our complete list of all supported passport photo requirements to find your country's exact specifications.
Important: Some countries have specific variations. For example, Indonesia requires red backgrounds for passports, while the US requires white. Always check your specific country's requirements before finalizing your photo.
A 2×2 inch passport photo is perfectly square, measuring exactly 2 inches × 2 inches (51×51 mm). It has a 1:1 aspect ratio and is the standard size used for US passports, visas, and many international documents.
At 300 DPI: 600 × 600 pixels. At 600 DPI: 1200 × 1200 pixels. Most countries require 300 DPI minimum for print quality, though some specify higher resolutions.
Over 80 countries use 2×2 inch photos including the United States, India, Indonesia, Philippines, many African nations, and various visa applications worldwide.
Yes! Create your 2×2 inch photo online, download the print layout, and print it at home or any photo center. Most layouts fit multiple photos on a 4×6 print.
Yes, exactly! 2×2 inches equals 50.8×50.8 mm, commonly rounded to 51×51 mm. These measurements are interchangeable.
The size is the same, but requirements vary. US photos typically require white backgrounds, while some countries prefer blue, gray, or other colors. Head positioning and expression rules also differ.
The 2×2 inch (51×51 mm) format is used by over 80 countries worldwide because it provides optimal facial detail for both human verification and automated facial recognition systems. The 1:1 aspect ratio ensures consistent proportions across different document types.
Upload your photo once and let our AI check 2×2 inch passport photo compliance, then automatically crop, center, and format it into a print-ready 2×2 inch image you can use for passports, visas, and other documents.
✓ Free AI compliance check • ✓ Automatic 2×2 inch formatting • ✓ Multiple download formats
