Passport Size Photo Ratio Calculator
फोटो का सटीक आस्पेक्ट रेशियो (Aspect Ratio), सेंटीमीटर, इंच और 300/600 DPI पिक्सल रिज़ॉल्यूशन तुरंत निकालें।
Passport Photo Ratio Calculator & Sizing Tool
Calculate exact simplified aspect ratios, millimeter to pixel conversions, and DPI resolutions.
Mandatory official format for Passport Seva Kendra (PSK) & Post Office Passport Seva Kendra (POPSK) applications.
35.0mm × 45.0mm (3.50 × 4.50 cm) simplifies to an exact aspect ratio of 7:9.
Understanding Document Photo Aspect Ratios in India
In digital photography and identity document processing, Aspect Ratio is the fundamental mathematical ratio between width and height. Unlike raw millimeter or pixel measurements which change depending on print DPI, the ratio remains constant.
Indian Standard (35×45mm)
The national standard for Indian Passport (PSK), Aadhaar Card (UIDAI), UK Visa, Schengen Visa, and SSC/Railway government exam applications.
Square Standard (2×2 inch)
Mandatory for United States Visa (Form DS-160), OCI Card (Overseas Citizen of India), and NSDL PAN online 213×213 pixel square crop.
Extended Standard (50×70mm / 25×35mm)
Standard for Canada Visa & PR, Indian physical PAN Card applications (Form 49A/49AA), and select state recruitment portals.
Common Document Ratios & GCD Mathematical Reductions
| Raw Dimensions | Greatest Common Divisor | Simplified Ratio | Decimal Ratio | Primary Document Use |
|---|---|---|---|---|
| 35 mm × 45 mm | GCD = 5 | 7 : 9 | 0.778 | Indian Passport, Aadhaar, UK Visa, Schengen |
| 50.8 mm × 50.8 mm (2×2") | GCD = 50.8 | 1 : 1 | 1.000 | US Visa (DS-160), OCI Card |
| 25 mm × 35 mm | GCD = 5 | 5 : 7 | 0.714 | Physical PAN Card Form 49A |
| 50 mm × 70 mm | GCD = 10 | 5 : 7 | 0.714 | Canada Visa & Permanent Residency |
| 40 mm × 60 mm | GCD = 20 | 2 : 3 | 0.667 | Dubai / UAE Tourist Visa |
Frequently Asked Questions (अक्सर पूछे जाने वाले सवाल)
Passport size photo ratio, dimensions aur print formats se jude zaroori prashn.
What is an Aspect Ratio in passport photography?▼
Width:Height (e.g., 7:9 for 35×45mm). It ensures that when a photo is printed or uploaded to an online portal, the facial proportions remain natural without squishing or stretching.