Quy Chuẩn Kích Thước Ảnh Hộ Chiếu & Visa Các Nước
Tra cứu thông số kích thước chính thức, quy đổi mm sang pixel 300 DPI và hướng dẫn sinh trắc học.
Bảng Thông Số Kỹ Thuật Ảnh Theo Quốc Gia
In ấn ở chuẩn 300 DPI| Quốc gia / Giấy tờ | Kích thước (mm) | Kích thước (inch) | Độ phân giải (300 DPI) | Tỷ lệ đầu | Phông nền |
|---|---|---|---|---|---|
| United States Passport & Visa → | 51 x 51 mm | 2 x 2 in | 600 x 600 px | 50% - 69% (1 - 1.375 in) | Plain White |
| United States Green Card / DV Lottery → | 51 x 51 mm | 2 x 2 in | 600 x 600 px | 50% - 69% | Plain White |
| European Union / Schengen Passport & Visa → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 70% - 80% (32 - 36 mm) | Light Gray / White |
| United Kingdom Passport & Visa → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 29 - 34 mm | Light Gray / Cream |
| China Passport & Travel Document → | 33 x 48 mm | 1.30 x 1.89 in | 390 x 567 px | 28 - 33 mm | Pure White |
| China Tourist & Business Visa → | 33 x 48 mm | 1.30 x 1.89 in | 390 x 567 px | 28 - 33 mm | Pure White |
| India Passport & OCI → | 51 x 51 mm | 2 x 2 in | 600 x 600 px | 35 - 40 mm | Plain White |
| India Regular Visa / PAN Card → | 35 x 35 mm | 1.38 x 1.38 in | 413 x 413 px | 70% - 80% | Plain White |
| Canada Passport → | 50 x 70 mm | 1.97 x 2.76 in | 591 x 827 px | 31 - 36 mm | White or Light |
| Canada Temporary Resident Visa → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 31 - 36 mm | White or Light |
| Australia Passport & Visa → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 32 - 36 mm | Plain White / Gray |
| Japan Passport → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 32 - 36 mm | Plain White |
| Philippines Passport → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 70% - 80% | Royal Blue |
| Vietnam Passport & Visa → | 40 x 60 mm | 1.57 x 2.36 in | 472 x 709 px | 70% - 80% | White |
| Mexico Passport → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 70% - 80% | White |
| Germany Passport & Visa → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 32 - 36 mm | Light Gray |
| France Passport & Visa → | 35 x 45 mm | 1.38 x 1.77 in | 413 x 531 px | 32 - 36 mm | Light Gray / Blue |
Standard ID / Driver License Universal ID Badge | 30 x 40 mm | 1.18 x 1.57 in | 354 x 472 px | 70% | White or Blue |
Kích Thước Khổ In Ảnh Chuẩn
When printing at a digital photo lab (Walgreens, CVS, Walmart, Boots, Costco) or using a home photo printer, our tool generates these standard photo sheet grids:
4 x 6 inches (10 x 15 cm)
- Fits 6 photos of 2 x 2" (US standard) or 8 photos of 35 x 45 mm (EU standard)
- Cost: Only $0.25 – $0.40 at retail photo kiosks
- Native print resolution: 1200 x 1800 px (300 DPI)
Single Digital Photo
- Optimized for official e-Visa and online renewal portals
- Meets strict file size limits (under 240 KB for US DS-160 / Green Card)
- Exact square or rectangle aspect ratio with biometric centering
Biometric Photo Guidelines & Checklist
What IS Allowed (Do)
- Plain white, light gray, or off-white background
- Uniform lighting without deep facial shadows
- Full face centered directly looking into the camera lens
- Both eyes open and mouth closed with a neutral expression
- Everyday casual attire contrasting with the background
- Religious headwear allowed if face is visible from forehead to chin
What is NOT Allowed (Don't)
- No eyeglasses, tinted lenses, or sunglasses
- No smiling with teeth showing, pouting, or grimacing
- No tilted or turned head positions (selfie angles)
- No headphones, AirPods, or wireless hands-free devices
- No military uniforms or camouflage clothing
- No digital filters, airbrushing, or facial retouching