ISO A Series
Paper |
Width (mm) |
Length (mm) |
4A0 |
1682 |
2378 |
2A0 |
1189 |
1682 |
A0 |
841 |
1189 |
A1 |
594 |
841 |
A2 |
420 |
594 |
A3 |
297 |
420 |
A3-Extension |
483 |
329 |
A4 |
210 |
297 |
A5 |
148 |
210 |
A6 |
105 |
148 |
A7 |
74 |
105 |
A8 |
52 |
74 |
A9 |
37 |
52 |
A10 |
26 |
37 |
ISO B Series
Paper |
Width (mm) |
Length (mm) |
B0 |
1000 |
1414 |
B1 |
707 |
1000 |
B2 |
500 |
707 |
B3 |
353 |
500 |
B4 |
250 |
353 |
B4(JIS) |
257 |
364 |
B5 |
176 |
250 |
B5(JIS) |
182 |
257 |
B6 |
125 |
176 |
B7 |
88 |
125 |
B8 |
62 |
88 |
B9 |
44 |
62 |
B10 |
31 |
44 |
ISO C Series (Envelope)
Paper |
Width (mm) |
Length (mm) |
C0 |
917 |
1296 |
C1 |
648 |
917 |
C2 |
458 |
648 |
C3 |
324 |
458 |
C4 |
229 |
324 |
C5 |
162 |
229 |
C6 |
114 |
162 |
C7 |
81 |
114 |
C8 |
57 |
81 |
C9 |
40 |
57 |
C10 |
28 |
40 |
Other Metric Sizes
Paper |
Width (mm) |
Length (mm) |
DL |
110 |
220 |
F4 |
210 |
330 |
Untrimmed A series (Untrimmed Raw Paper)
Paper |
Width (mm) |
Length (mm) |
RA0 |
860 |
1220 |
RA1 |
610 |
860 |
RA2 |
430 |
610 |
RA3 |
305 |
430 |
RA4 |
215 |
305 |
Untrimmed A series (Supplementary Raw Paper)
Paper |
Width (mm) |
Length (mm) |
SRA0 |
900 |
1280 |
SRA1 |
640 |
900 |
SRA2 |
450 |
640 |
SRA3 |
320 |
450 |
SRA4 |
225 |
320 |
ISO 7810 identification cards
Paper |
Width (mm) |
Length (mm) |
ID-1 |
85.60 |
53.98 |
ID-2 = A7 |
105 |
74 |
ID-3 = B7 |
125 |
88 |
Imperial Sizes
British papers
Paper |
Width (in) |
Length (in) |
Emperor |
72 |
48 |
Double Quad Crown |
60 |
40 |
Antiquarian |
53 |
21 |
Quad Demy |
45 |
35 |
Grand Eagle |
42 |
28.75 |
Quad Crown |
40 |
30 |
Double Elephant |
40 |
27 |
Double Demy (poster) |
35 |
22.5 |
Colombier |
34.5 |
23.5 |
Atlas |
34 |
26 |
Quad Foolscap |
34 |
27 |
Double Large Post |
33 |
21 |
Double Post (poster) |
31.5 |
19.5 |
Double Demy (writing paper) |
31 |
20 |
Double Post (writing paper) |
30.5 |
19 |
Imperial |
30 |
22 |
Double Crown |
30 |
20 |
Elephant |
28 |
23 |
Super Royal (poster) |
27.5 |
20.5 |
Super Royal (writing paper) |
27 |
19 |
Double Foolscap (poster) |
27 |
17 |
Double Foolscap (writing paper) |
26.5 |
16.5 |
Cartridge |
26 |
21 |
Royal (poster) |
25 |
20 |
Royal (writing paper) |
24 |
19 |
Medium (poster) |
23 |
18 |
Demy (poster) |
22.5 |
17.5 |
Medium (writing paper) |
22 |
17.5 |
Large Post |
21 |
16.5 |
Copy (Draught) |
20 |
16 |
Demy/Music Demy |
20 |
15.5 |
Crown |
20 |
15 |
Post (poster) |
19.25 |
15.5 |
Post (writing paper) |
19 |
15.25 |
Pinched Post |
18.5 |
14.75 |
Foolscap |
17 |
13.5 |
Brief |
16.5 |
13.25 |
Pott |
15 |
12.5 |
American Papers
Paper |
Width (in) |
Length (in) |
Eight Crown |
57.5 |
41.75 |
Antiquarian |
53 |
21 |
Quad Demy |
53 |
32.5 |
Double Princess |
53 |
28 |
Architectural-E |
48 |
36 |
ANSI-E |
44 |
34 |
Architectural-F |
42 |
30 |
Quad Crown |
40 |
30 |
ANSI-F |
40 |
28 |
Double Elephant |
40 |
27 |
Architectural-D |
36 |
24 |
Double Demy |
35 |
22.5 |
ANSI-D |
34 |
22 |
Imperial |
30 |
22 |
Princess |
28 |
21.5 |
Architectural-C |
24 |
18 |
Demy |
23 |
18.5 |
ANSI-C (Broadsheet) |
22 |
17 |
Super-B |
19 |
13 |
Brief |
18.5 |
13.13 |
Architectural-B |
18 |
12 |
ANSI-B (Ledger; Tabloid) |
17 |
11 |
Legal (Legal-2) |
14 |
8.5 |
Legal-1 |
13 |
8.5 |
Folio (F4) |
13 |
8.25 |
Foolscap E |
13 |
8 |
Architectural-A |
12 |
9 |
ANSI-A (Letter) |
11 |
8.5 |
US Government |
11 |
8 |
Quarto |
10.75 |
8.5 |
Executive |
10.5 |
7.25 |
Index Card 10x8 (Photo 10x8) |
10 |
8 |
Crown Quarto |
9.5 |
7.25 |
Royal Octavo |
9.5 |
6 |
Statement |
8.5 |
5.5 |
Foolscap Quarto |
8.13 |
6.5 |
Index Card 8x5 |
8 |
5 |
Crown Octavo |
7.13 |
4.75 |
Photo 7x5 |
7 |
5 |
Origami (Old Dollar Bill) |
7 |
3 |
Photo 6x4 |
6 |
4 |
Post Card |
5.82 |
3.94 |
Photo 5x4 |
5 |
4 |
Photo 5x3 |
5 |
3 |
Business Card |
3.5 |
2 |
Photos
Size |
Width (in) |
Length (in) |
Passport photo |
1.5 |
2 |
2R |
2.5 |
3.5 |
3R |
3.5 |
5 |
4R |
4 |
6 |
5R |
5 |
7 |
6R |
6 |
8 |
8R |
8 |
10 |
S8R/12R |
8 |
12 |
10R |
10 |
12 |
S10R |
10 |
15 |
Notes
Conversion factor:
- 1 inch = 25.4 mm
- 1 inch = 72 points
Paper folding terminology:
- folio (fo, f): Folded in half
- Quarto (4to, 4o): Folded into 4
- Sixmo, aka sexto (6to, 6mo, 6o): Folded into 6
- Octavo (8vo, 8o): Folded into 8
- Twelvemo, aka duodecimo (12mo, 12o): Folded into 12
- Sixteenmo, aka sextodecimo (16mo, 16o): Folded into 16
- Eighteenmo, aka octodecimo (18mo, 18o): Folded into 18
- Twenty-fourmo, aka vincesimo-quarto, or vigesimo-quarto (24mo, 24o): Folded into 24
- Thirty-twomo, aka trigesimo-segundo (32mo, 32o): Folded into 32
- Forty-eightmo, aka quadragesimo-octavo (48mo, 48o): Folded into 48
- Sixty-fourmo, aka sexagesimo-quarto (64mo, 64o): Folded into 64
Reference on history and standard of ISO paper sizes (and others): http://www.cl.cam.ac.uk/~mgk25/iso-paper.html
Reference on Imperial and American paper sizes: http://www.gwydir.demon.co.uk/jo/units/print.htm