40×50mm (Hong Kong & UAE) (1.6x2 inches, 4x5 cm) Photo Size Guide
Standard size for Hong Kong ID cards and certain UAE visa applications. This format bridges the gap between the ICAO standard and larger Asian photo formats, providing sufficient detail for advanced biometric systems while remaining practical for various identification documents. Used across multiple document types in Hong Kong and for specific visa categories in the United Arab Emirates.
40×50mm (Hong Kong & UAE) Size Conversions — Pixels, Inches & DPI
| DPI | Width (px) | Height (px) | Total Pixels | Quality |
|---|---|---|---|---|
| 150 DPI | 236 px | 295 px | 69,620 | Low |
| 200 DPI | 315 px | 394 px | 124,110 | Medium |
| 300 DPIStandard | 472 px | 591 px | 278,952 | High |
| 600 DPI | 945 px | 1181 px | 1,116,045 | Ultra |
Printing Tips
Fits 6 photos on 4×6" paper, 10 photos on 5×7" paper. Available at Hong Kong MTR photo booths and UAE typing centers.
Countries Using 40×50mm (Hong Kong & UAE) Photo Size
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Frequently Asked Questions
The Hong Kong Identity Card (HKID) is mandatory for all Hong Kong residents aged 11 and above. It requires 40×50mm photos with a white or off-white background, taken within the last 6 months. Photos must show the full face without glasses (unless for medical reasons), and head coverings are only permitted for religious purposes.
No, Hong Kong SAR passports require the ICAO standard 35×45mm photos, not 40×50mm. However, 40×50mm photos are used for Hong Kong ID cards and some specific visa applications. Always verify which document you're applying for to ensure the correct photo size.
Certain UAE employment visas, residence permits, and long-term visa applications may require 40×50mm photos, though requirements can vary by emirate and visa category. Tourist visas and some short-term visas may accept standard ICAO 35×45mm photos. Check with the UAE embassy or sponsor for specific requirements.
Hong Kong has numerous photo booths in MTR stations that offer 40×50mm photos specifically for HKID applications. Photo shops throughout Hong Kong are also very familiar with this size. Expect to pay HKD 30-50 for a set of photos.
40×50mm equals 4x5 cm (1.6x2 inches). To convert millimeters to centimeters, divide by 10. This size is 4 cm wide and 5 cm tall.
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