The size of the 6-inch photo is15.2cm *10.2cm.. Other photo sizes: 1 inch photo size is 3.6 cm *2.7 cm, 2-inch photo size is 3.5 cm *5.3 cm, 5-inch photo size is 12.7 cm *8.9 cm, 7-inch photo size is12.7cm *17.8cm.

Photo size:

The size of the photo is in inches, 1 inch =2.54 cm, and usually x inches refers to the inch length of the long side of the photo. For example, 5 inches means that the photo length is 2.54 * 5 =12.7 cm; 12 inch means that the length of the photo is 2.54* 12=30.5 cm.

ID card, physical examination form, etc. Most of them are 22 * 32mm small, 26mm * 32mm second-generation ID cards, and 25mm * 35mm ordinary one-inch photos. The standard photo size of passports and travel documents is 48 mm *33 mm, the head width is 2 1 mm ~ 24 mm, and the head length is 28 mm ~ 33 mm).