Photo Sizes

2R

• 51 x 76 millimeters (mm)
• 2 x 3 inches
• Aspect ratio - 3 : 2

3R

• 63.5 x 89 millimeters (mm)
• 2.5 x 3.5 inches
• Aspect ratio - 7 : 5
• Also known as Postcard size

4R

• 102 x 152 millimeters (mm)
• 4 x 6 inches
• Aspect ratio - 3 : 2
• Also known as 10 x 15 cm

5R

• 127 x 178 millimeters (mm)
• 5 x 7 inches
• Aspect ratio - 7 : 5
• Also known as 13 x 18 cm

6R

• 152 x 203 millimeters (mm)
• 6 x 8 inches
• Aspect ratio - 4 : 3
• Also known as 15 x 20 cm

8R

• 203 x 254 millimeters (mm)
• 8 x 10 inches
• Aspect ratio - 5 : 4
• Also known as 20 x 25 cm

10R

• 254 x 305 millimeters (mm)
• 10 x 12 inches
• Aspect ratio - 6 : 5

11R

• 279 x 356 millimeters (mm)
• 11 x 14 inches
• Aspect ratio - 14 : 11
• Also known as 28 x 36 cm

12R

• 305 x 381 millimeters (mm)
• 12 x 15 inches
• Aspect ratio - 5 : 4
• Also known as 305 x 381

12 X 16

• 305 x 406 millimeters (mm)
• 12 x 16 inches
• Aspect ratio - 4 : 3

S12R

• 305 x 457 millimeters (mm)
• 12 x 18 inches
• Aspect ratio - 3 : 2