A Series
Size
mm
inches
4A
1682 x 2378
66.22 x 93.62
2A
1189 x 1682
44.81 x 66.22
A0
841 x 1189
33.11 x 46.81
A1
594 x 841
23.39 x 33.11
A2
420 x 594
16.54 x 23.39
A3
297 x 420
11.69 x 16.54
A4
210 x 297
8.27 x 11.69
A5
148 x 210
5.83 x 8.27
A6
105 x 148
4.13 x 5.83
A7
74 x 105
2.91 x 4.13
A8
52 x 74
2.05 x 2.91
A9
37 x 52
1.46 x 2.05
A10
26 x 37
1.02 x 1.46
R A Series
Size
mm
inches
RA0
860 x 1220
33.86 X 48.03
RA1
610 X 860
24.02 x 33.86
RA2
430 x 610
16.93 x 24.02
RA3
305 x 430
12.01 x 16.93
RA4
215 x 305
8.46 x 112.01
S R A Series
Size
mm
inches
SRA0
900 x 1280
35.43 X 50.39
SRA1
640 X 900
25.20 x 35.43
SRA2
450 x 640
17.72 x 25.20
SRA3
320 x 450
12.60 x 17.72
B Series
Size
mm
inches
4B
2000 x 2828
78.74 x 111.34
2B
1414 x 2000
55.67 x 78.74
B0
1000 x 1414
39.37 x 55.67
B1
720 x 1020
27.83 x 39.37
B2
520 x 720
19.68 x 27.83
B3
353 x 500
13.90 x 19.68
B4
250 x 353
9.84 x 13.90
B5
176 x 250
6.93 x 9.84
Envelope Sizes
Size
mm
inches
C0
917 x 1297
36.13 x 51.00
C1
648 x 917
25.50 x 36.13
C2
458 x 648
18.00 x 25.50
C3
324 x 458
12.75 x 18.00
C4
229 x 324
9.00 x 12.75
C5
162 x 229
6.38 x 9.00
C6
114 x 162
4.50 x 6.38
DL
110 x 220
4.38 x 8.66
C7/6
81 x 162
3.25 x 6.38
C7
81 x 114
3.25 x 4.50
Imperial Series
Size
mm
inches
Foolscap
203 x 330
8 x 13
Large Post
419 x 533
16.5 x 21
Double Cap
432 x 686
17 x 17
Royal
508 x 635
20 x 25
Double Crown
508 x 762
20 x 30
Postal
571 x 724
22.5 x 28.5
Quad Crown
762 x 1016
30 x 40
Quad Double Crown
1016 x 1524
40 x 60