The photo size is in inches, 1 inch = 2.54cm. Usually, x inch refers to the length of the long side of the photo in inches. For example, 5 inches means that the photo length is 2.54x5 =12.7cm; 12 inch means that the length of the photo is 2.54x12 = 30.5cm. ..
Extended data:
The physical examination forms of ID cards are mostly 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 48mm×33mm, the head width is 2 1 mm ~ 24 mm, and the head length is 28 mm ~ 33 mm).
How many centimeters is 8 inches? A photo refers to a photo of a person or thing that is exposed with photosensitive paper under a photographic negative and then developed and fixed. The first chapter of Ba Jin's "Death" wrote: "There is a big photo frame hanging in the middle of this wall, which contains a photo of a kind woman in her forties.
"inch" is usually used to indicate the size of photos, which is different from the diagonal length of products such as monitors. A few inches in a photo refers to the length of inches on the long side of the photo.
How many centimeters is 8 inches? For example, a 6-inch photo refers to a 6×4-inch photo. There is also a commonly used method to indicate the size of a photo in the world, which is to take the integer value of the short side of the photo and add the letter R to indicate it. For example, a 6-inch photo with a size of 6×4 inches is 4R.