Family photo sizes are usually divided into the following categories:

1.5*7 inch: commonly called 7 inch, it is a common size for 2-5 people to shoot.

2.6*8 inches: commonly known as 8 inches, it is a common size for 3-6 people to shoot.

3.7*9 inches: commonly known as 9 inches, it is a common size for 4-7 people to shoot.

4. 10* 12 inch: commonly called 12 inch, it is a common size for 5-8 people.

5. 12* 14 inch is generally called 14 inch, and 8- 10 is used by people.

6. 16*20 inch is generally called 20 inch, and 10- 12 is widely used.

It should be noted that the number of people is for reference only, and the specific photo size needs to be determined according to the number of families and the shooting distance.