What is the size of the photo?

2 inches? 3.5*4.9 standard 2-inch photos

Big 1 inch? Chinese passport

5 inches /3R? 12.7*8.9 The most common photo size

6 inches /4R? 15.2* 10.2 international photo size.

7 inches /5R? 17.8* 12.7 amplification

8 inches? 15.2*20.3 is about half of A4 printing paper.

Small 12 inch? 20.3*30.5 is about A4 size.

12 inch? 25.4*30.5 A4 printing paper is 2 1 * 29.7cm ..

The size of the photo is in inches, 1 inch =2.54cm, 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 2.54x5 =12.7cm; 12 inch means that the length of the photo is 2.54x12 = 30.5cm. ..

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 48mm×33mm, the head width is 2 1 mm ~ 24 mm, and the head length is 28 mm ~ 33 mm).

References:

Photo size