Standard ISO Paper Size Dimensions Chart

Our conversion chart will give you the sizes of current paper formats (A, B, C, RA and SRA) in millimeters and inches.

Paper FormatSheet Size in Inches (in)Sheet Size in Millimeters (mm)
4A0
66 1/4 x 93 5/8
1682 × 2378
2A0
46 13/16 x 66 1/4
1189 × 1682
A0
33 1/8 x 46 13/16
841 × 1189
A1
23 3/8 x 33 1/8
594 × 841
A2
16 1/2 x 23 3/8
420 × 594
A3
11 11/16 x 16 1/2
297 × 420
A4
8 1/4 x 11 11/16
210 × 297
A5
5 13/16 x 8 1/4
148 × 210
A6
4 1/8 x 5 13/16
105 × 148
A7
2 15/16 x 4 1/8
74 × 105
A8
2 1/16 x 2 15/16
52 × 74
A9
1 7/16 x 2 1/16
37 × 52
A10
1 x 1 7/16
26 × 37
B0
39 3/8 x 55 11/16
1000 × 1414
B1
27 13/16 x 39 3/8
707 × 1000
B2
19 11/16 x 27 13/16
500 × 707
B3
13 7/8 x 19 11/16
353 × 500
B4
9 13/16 x 13 7/8
250 × 353
B5
6 15/16 x 9 13/16
176 × 250
B6
4 15/16 x 6 15/16
125 × 176
B7
3 7/16 x 4 15/16
88 × 125
B8
2 7/16 x 3 7/16
62 × 88
B9
1 3/4 x 2 7/16
44 × 62
B10
1 1/4 x 1 3/4
31 × 44
C0
36 1/8 x 51 1/16
917 × 1297
C1
25 1/2 x 36 1/8
648 × 917
C2
18 x 25 1/2
458 × 648
C3
12 3/4 x 18
324 × 458
C4
9 x 12 3/4
229 × 324
C5
6 3/8 x 9
162 × 229
C6
4 1/2 x 6 3/8
114 × 162
C7
3 3/16 x 4 1/2
81 × 114
C8
2 1/4 x 3 3/16
57 × 81
C9
1 9/16 x 2 1/4
40 × 57
C10
1 1/8 x 1 9/16
28 × 40
RA0
33 7/8 x 48
860 × 1220
RA1
24 x 33 7/8
610 × 860
RA2
16 15/16 x 24
430 × 610
RA3
12 x 16 15/16
305 × 430
RA4
8 7/16 x 12
215 × 305
SRA0
35 7/16 x 50 3/8
900 × 1280
SRA1
25 3/16 x 35 7/16
640 × 900
SRA2
17 11/16 x 25 3/16
450 × 640
SRA3
12 5/8 x 17 11/16
320 × 450
SRA4
8 7/8 x 12 5/8
225 × 320