照片大小

Print	Japan	Size (in.)	Size (mm)	300dpi (px)	（百萬）像素	Aspect ratio
	E	3¼" × 4½	82.5 × 120 mm			16:11 (1.45)
3R	L	3½" × 5"	89 × 127 mm	1051 x 1500 px	158	10:7 (1.43)
4R	KG	4" × 6"	102 × 152 mm	1205 x 1795 px	216	3:2 (1.5)
5R	2L	5" × 7"	127 × 178 mm	1500 x 2102 px	315	7:5 (1.4)
6R	8P	6" × 8"	152 × 203 mm	1795 x 2398 px	430	4:3 (1.33)
8R	6P	8" × 10"	203 × 254 mm	2398 x 3000 px	719	5:4 (1.25)
S8R	6PW	8" × 12"	203 × 305 mm	2398 x 3602 px	864	3:2 (1.5)
10R	4P	10" × 12"	254 × 305 mm	3000 x 3602 px	1,081	6:5 (1.2)
S10R	4PW[3]	10" × 15"	254 × 381 mm	3000 x 4500 px	1,350	3:2 (1.5)
11R		11" × 14"	279 × 356 mm	3295 x 4205 px	1,386	14:11 (1.27)
S11R		11" × 17"	279 × 432 mm	3295 x 5102 px	1,681	17:11 (1.54)
12R		12" × 15"	305 × 381 mm	3602 x 4500 px	1,621	5:4 (1.25)
S12R		12" × 18"	305 × 465 mm	3602 x 5492 px	1,978	3:2 (1.5)