All Photo Print Sizes: Complete Reference Chart

Standard Photo Print Sizes

Name	CM	Inches	Pixels (300 DPI)
Stamp Size	2.5 x 3.0	1.0 x 1.2	295 x 354
Passport (India/UK)	3.5 x 4.5	1.4 x 1.8	413 x 531
Passport (US)	5.1 x 5.1	2.0 x 2.0	600 x 600
Wallet Size	6.4 x 8.9	2.5 x 3.5	750 x 1050
4x6 (Standard)	10.2 x 15.2	4 x 6	1200 x 1800
5x7	12.7 x 17.8	5 x 7	1500 x 2100
A5	14.8 x 21.0	5.8 x 8.3	1748 x 2480
8x10	20.3 x 25.4	8 x 10	2400 x 3000
A4	21.0 x 29.7	8.3 x 11.7	2480 x 3508
A3	29.7 x 42.0	11.7 x 16.5	3508 x 4961

DPI Explained

DPI (Dots Per Inch) determines print quality:

• 150 DPI: Acceptable for casual prints
• 300 DPI: Standard for professional photo prints (what we use)
• 600 DPI: Ultra-high quality, rarely needed

Page Sizes for Photo Sheets

Page	CM	Photos per Page (Passport)
A4	21.0 x 29.7	~20 photos (3.5x4.5cm)
A3	29.7 x 42.0	~40 photos
Letter	21.6 x 27.9	~18 photos
4x6	10.2 x 15.2	~4 photos