When learning mathematics, we often mention how many inches, but how many centimeters does one inch equal? I think we are not very clear. How many centimeters does eight inches equal? How big is eight inches? Let's take a look with Xiaobian.
How many centimeters is eight inches? 8 inch photo: 15.2cm * 20.3cm. Inch is 6 * 8, about half the size of A4 paper.
The size of the photo is in inches, 1 inch = 2.54cm, usually x inch refers to the inch length of the long side of the photo. For example: 5 inches is the length of the photo is 2.54x5 = 12.7cm; 12 inches is the length of the photo is 2.54x12 = 30.5cm.
The second generation ID card is 26mm & times; 32mm, while the ordinary one inch ID card is 25mm & times; 35mm. The standard photo size of Passport Travel document is 48mm & times; 33mm, the head width is 21mm ~ 24mm, and the head length is 28mm ~ 33mm).
Photo refers to a picture of a person or object that is developed and fixed after exposure on photographic paper under a photographic negative. In the first chapter of Ba Jin's death, there is a big frame in the middle of the wall, in which there is a picture of a kind woman in her forties. '
Generally speaking, the size of a photo is represented by "inch", which is different from the way that products such as monitors use diagonal length to represent the size. The "inch" in a photo refers to the inch length of the long side of the photo.
For example, a 6-inch photo is a 6 & times; 4-inch photo. There is also a common way to express the size of a picture in the world, that is, to add the letter R to the whole number of inches on the short side of the picture. For example, for a 6-inch photo, the size is 6 & times; 4 inches, or 4R.