For easy reference, the following is a summary of the principal standard paper sizes and weights and their conversion equivalents using both the imperial and metric systems.
| A5 size |
148mm x 210mm (5.83" x 8.27") |
| A4 size |
210mm x 297mm (8.27" x 11.69") |
| A3 size |
297mm x 420mm (11.69" x 16.54") |
| A2 size |
420mm x 594mm (16.54" x 23.39") |
| International |
USA |
| Gloss Art Paper |
Coated Stock (both sides gloss) |
| gsm unit |
lbs book unit |
caliper point |
| 79 |
53 |
2.4 |
| 85 |
57 |
2.8 |
| 95 |
64 |
3.2 |
| 105 |
71 |
3.5 |
| 113 |
76 |
3.9 |
| 128 |
86 |
4.3 |
| 140 |
95 |
4.5 |
| 157 |
106 |
5.1 |
| Matte Art Paper |
Coated Stock (both sides matte) |
| gsm unit |
lbs book unit |
caliper point |
| 79 |
53 |
3.0 |
| 85 |
57 |
3.3 |
| 95 |
64 |
3.9 |
| 105 |
71 |
4.3 |
| 113 |
76 |
4.5 |
| 128 |
86 |
6.5 |
| 140 |
95 |
8.3 |
| Woodfree Art Paper |
Uncoated Book Paper |
| gsm unit |
lbs book unit |
caliper point |
| 60 |
41 |
2.6 |
| 70 |
47 |
3.4 |
| 80 |
54 |
3.5 |
| 100 |
68 |
4.3 |
| 120 |
81 |
5.1 |
| 140 |
95 |
5.9 |
| 180 |
122 |
8.1 |
| Art Board |
Gloss Coated Board Cover |
| gsm unit |
lbs book unit |
caliper point |
| 190 |
70 |
8 |
| 210 |
78 |
10 |
| 230 |
85 |
11 |
| 260 |
96 |
12 |
| 310 |
115 |
15 |
| 1-side Art Board |
Cast Coated 1-side board cover |
| gsm unit |
lbs book unit |
caliper point |
| 220 |
82 |
9 |
| 250 |
93 |
10 |
| 270 |
100 |
12 |
| 300 |
111 |
13 |
| 330 |
122 |
15 |
| Binding Board |
Binding Board |
| gsm unit |
Ounces |
thickness |
| 1000 |
20 |
1.5mm/ .06" |
| 1200 |
24 |
2.0mm/ .08" |
| 1450 |
32 |
2.5mm/ .10" |
| 1750 |
40 |
3.0mm/ .12" |
| 2150 |
48 |
3.5mm/ .14" |
| Metric System |
USA Paper Size |
| gsm unit |
type of stock in inches |
weight in lbs |
| 44 |
book: 25" x 38" |
30 |
| 59 |
|
40 |
| 67 |
|
45 |
| 74 |
|
50 |
| 89 |
|
60 |
| 104 |
|
70 |
| 118 |
|
80 |
| 133 |
|
90 |
| 148 |
|
100 |
| 178 |
|
120 |
| 135 |
cover: 20" x 26" |
50 |
| 162 |
|
60 |
| 176 |
|
65 |
| 216 |
|
80 |
| 243 |
|
90 |
| 270 |
|
100 |
| 297 |
|
110 |
