Common image size (CM, pixel px)

1 inch = 72pt (point) = 96px (pixel)

ID card (Driver's License) Photo: 22*32mm (small 1 inch)
Small 1 inch: 27*38mm
1 inch: 25*38mm
Normal passport photo: 33*48mm (1 inch in size)
Large 1 inch: 40*55mm

600x800 = 0.48 million pixels = 3-inch photo
700x1000 = approximately 0.8 million pixels = 5-inch photos (3.5x5 inch, MM specifications 89x127 );
800x1200 = approximately 1 million pixels = 6-inch photos (4x6 inch, 102x152mm );
1000x1400 = approximately 1.5 million pixels = 7-inch photos (5x7 inch, mm, 127x178 );
1200x1600 = approximately 2 million pixels = 8-inch photos (6x8 inch, 152x203mm );
1600x2000 = approximately 3.1 million pixels = 10-inch photos (8x10 inch, 203x258mm );
1600X2400 = approximately 4 million pixels = Standard Photos (8x12 inch, 203x304mm );
1600x2800 = approximately 4 million pixels = wide photos (8x14 inch, 203x356mm ).

Photo specifications (INCHES) (centimeters) (pixels) Digital Camera type

2.5*3.5 cm 413*295
ID card photo 3.3*2.2 390*260
2-inch 3.5*5.3 626*413
Small 2-inch (passport) 4.8*3.3 cm 567*390
5-inch 5x3.5 12.7*8.9 pixel x840 + 1 million pixels
6-inch 6x4 15.2*10.2 1440x960 + 1.3 million pixels
7-inch 7x5 17.8*12.7 1680x1200 + 2 million pixels
8-inch 8x6 20.3*15.2 1920x1440 + 3 million pixels
10 inch 10x8 25.4*20.3 2400x1920 + 4 million pixels
12-inch 12x10 30.5*20.3 2500x2000 + 5 million pixels
15-inch 15x10 38.1*25.4 3000x2000 6 million pixels

Rinse Photo size table:

Size (inch) Resolution PX (file length, width)/pixel centimeter
3.5*5 (3R/4-inch) 1050*1500/300 dpi 8.89*12.7
4*6 (4R/6-inch) 1800*1200/300 dpi 10.16*15.24
5*7 (5R/7) 1500*2100/300 dpi 12.7*17.78
6*8 (6R/8 inch) 1800*2400/300 dpi 15.24*20.32
8*10 (8r/10 inch) 2400*3000/300 dpi 20.32*25.4
10*12 (12-inch) 3000*3600/350 DPI 25.4*30.48
12*16 (16-inch) 3600*4800/350 DPI 30.48*40.64

5 inch: 3*5
6 inch: 4*6
7 inch: 5*7
8 inch: 6*8
12 inch: 10*12
18 inch: 12*18

Passport photo requirements

Passport photos must meet the following requirements:-The photo includes all the headers and the front of all the shoulders of the person being taken, and the face is in the center of the photo;

-The background color of the photo must be pure white;

-All photos must be completely identical (black/white or colored) photos taken by cameras that are flushed from the same negative film without any correction or that present multiple images or lenses at one exposure);

-The photo must use the velvet paper.

-The photo size must meet the following conditions:

* The length from Chin to head is 25mm to 35mm (1 to 1 3/8)

* The size of the entire photo is 35mm x 45mm (1 3/8x1 3/4)

Maximum size of digital photo Printing

You can obtain the maximum size of your photo.

The length is the number of inches on the long side. For example, 5x3.5 means 5 inches.
R refers to the number of inches on the short side. For example, 4R is 6x4-inch, while 3R is 5x3.5.

1 inch = 2.54, the general Photo size is:

1 inch the size of the photo should be 3.6 cm x 7 cm;
2 inch the size of the photo should be 3.5 cm x 5 cm;
The size of the 5 inch (most common Photo size) photo should be 12.7 cm × 8. 9 cm;
The size of the 6 inch (generally used internationally) photo is 15.2 cm × 10. 2 cm;
The size of the 7 inch (enlarged) photo is 17.8 cm x 12. 7 cm;
12 inch the size of the photo is 30.5 cm × 25. 4 cm

Photo size (INCHES) printing size (cm)

5-inch: 5*3.5 (5-inch/3R) 12.70*8.89

6-inch: 6*4 (6-inch/4R) 15.24*10.16

7 inch: 7*5 (7 inch/5R) 17.78*12.70

8-inch: 8*6 (8-inch/6R) 20.32*15.24

10 inch: 10*8 (10 inch/8r) 25.40*20.32

12 inch: 10*12 (12 inch) 25.40*30.48

14-inch: 12*14 (14-inch) 30.48*35.56

16 inches: 12*16 (16 inches) 30.48*40.64

18 inches: 14*18 (18 inches) 35.56*45.72

20-inch: 16*20 (20-inch) 40.64*50.80

24-inch: 20*24 (24-inch) 50.80*60.96

30-inch: 24*30 (30-inch) 60.96*76.20

36-inch: 24*36 (36-inch) 60.96*91.44

PS: Resolution: 300 dpi 1 inch = 54cm in inches, with long edges as the standard. The length is the number of inches on the long side. For example, 5x3.5 means 5 inches. R refers to the number of inches on the short side. For example, the 4R is 6x4-inch, while the 3R is a 5-inch 5x3.5-inch photo. The general size is:

1 inch the size of the photo should be 3.6 cm x 7 cm;

2 inch the size of the photo should be 3.5 cm x 5 cm;

The size of the 5 inch (most common Photo size) photo should be 12.7 cm × 8. 9 cm;

The size of the 6 inch (generally used internationally) photo is 15.2 cm × 10. 2 cm;

The size of the 7 inch (enlarged) photo is 17.8 cm x 12. 7 cm;

12 inch the size of the photo is 30.5 cm × 25. 4 cm