If 10x 13 53 what is x

Paper formats, letter formats, photo formats
Here you can find the height and width of the most commonly used DIN paper formats, letter formats and photo formats. With the DIN paper formats, the aspect ratio is always 1 to 1,414. Based on the A0 format with a base area of ​​one square meter, the A1 format is created by folding once, the A2 format by folding twice, the A3 format by folding three times, etc.
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Paper size
Dimensions (w x h)
A0
84.1 x 118.9 cm
A1
59.4 x 84.1 cm
A2
42.0 x 59.4 cm
A3
29.7 x 42.0 cm
A4
21.0 x 29.7 cm
A5
14.8 x 21.0 cm
A6
10.5 x 14.8 cm
A7
7.4 x 10.5 cm
 
Letter format
Dimensions (w x h)
B4
25.0 x 35.3 cm
C4
22.9 x 32.4 cm
B5
17.6 x 25.0 cm
C5
16.2 x 22.9 cm
C6 / 5
11.4 x 22.9 cm
C5 / 6
11.0 x 22.0 cm
B6
12.5 x 17.6 cm
C6
11.4 x 16.2 cm
Photo format
2 : 3 (h x w)
3 : 4 (h x w)
50s
50 x 75 cm
50 x 67 cm
40s
40 x 60 cm
40 x 53 cm
30s
30 x 45 cm
30 x 40 cm
20s
20 x 30 cm
20 x 27 cm
13er
13 x 18 cm
13 x 17 cm
11th
11 x 17 cm
11 x 15 cm
10s
10 x 15 cm
10 x 13 cm
9 series
9 x 13 cm
9 x 12 cm