How many inches is an ordinary photo?

2 inches

5-inch photo with resolution of 800X600 (3X5)

6-inch photo (4X6), resolution 1024X768.

7-inch photo (5X7), resolution 1024X768.

8-inch photo (6X9), resolution 1280X960.

What are the inches of the long side? For example, 5×3.5 is 5 inches.

How much r refers to the number of inches on the short side. For example, 4R is 6 X 4 inches and 3R is 5 X 3.5 inches.

1 inch = =2.54cm, and the average photo size is:

1 inch photo size should be 3.6cm×2.7cm；;

2 inch photo size should be 3.5cm×4.5cm；;

The size of a 3-inch photo should be 7.6 cm ×5.3 cm.

5 inch (the most common photo size) photo size should be/kloc-0 12.7cm×8.9cm；;

The 6-inch (international photo size) photo size is15.2cm×10.2cm;

The size of the 7-inch (enlarged) photo is17.8cm×12.7cm;

12 inch photo size is 30.5cm× 25.4cm.