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Paper Conversion Guide
Back

Book and Offset | Bond | Cover | Vellum Bristol | Index | Tag

Book and Offset - Top
Book/Offset
(25 x 38)
Bond
(17 x 22)
Cover
(20 x 26)
Vellum Bristol
(22½ x 28½)
Index
(25½ x 30½)
Tag
(24 x 36)
Metric
GSM

30 12 16 20 25 27 44
40 16 22 27 33 36 59
45 18 25 30 37 41 67
50 20 27 34 41 45 74
60 24 33 40 49 55 89
70 28 38 47 57 64 104
80 31 44 54 65 73 118
90 35 49 60 74 82 133
100 39 55 67 82 91 148
120 47 66 80 98 109 178

Bond - Top
Book/Offset
(25 x 38)
Bond
(17 x 22)
Cover
(20 x 26)
Vellum Bristol
(22½ x 28½)
Index
(25½ x 30½)
Tag
(24 x 36)
Metric
GSM

33 13 18 22 27 30 49
41 16 22 27 33 37 61
51 20 28 34 42 46 75
55 24 33 41 50 56 90
71 28 39 48 58 64 105
81 32 45 55 67 74 120
91 36 50 62 75 83 135
102 40 56 69 83 93 151

Cover - Top
Book/Offset
(25 x 38)
Bond
(17 x 22)
Cover
(20 x 26)
Vellum Bristol
(22½ x 28½)
Index
(25½ x 30½)
Tag
(24 x 36)
Metric
GSM

91 36 50 62 75 82 135
110 43 60 74 90 100 163
119 47 65 80 97 108 176
146 58 80 99 120 134 216
164 65 90 111 135 149 243
183 72 100 124 150 166 271

Vellum Bristol - Top
Book/Offset
(25 x 38)
Bond
(17 x 22)
Cover
(20 x 26)
Vellum Bristol
(22½ x 28½)
Index
(25½ x 30½)
Tag
(24 x 36)
Metric
GSM

100 39 55 67 81 91 148
120 47 65 80 98 109 178
148 58 80 100 121 135 219
176 70 97 120 146 162 261
207 82 114 140 170 189 306
237 93 130 160 194 216 351

Index - Top
Book/Offset
(25 x 38)
Bond
(17 x 22)
Cover
(20 x 26)
Vellum Bristol
(22½ x 28½)
Index
(25½ x 30½)
Tag
(24 x 36)
Metric
GSM

110 43 60 74 90 100 163
135 53 74 91 110 122 199
170 67 93 115 140 156 252
208 82 114 140 170 189 328

Tag - Top
Book/Offset
(25 x 38)
Bond
(17 x 22)
Cover
(20 x 26)
Vellum Bristol
(22½ x 28½)
Index
(25½ x 30½)
Tag
(24 x 36)
Metric
GSM

110 43 60 74 90 100 163
137 54 75 93 112 125 203
165 65 90 111 135 150 244
192 76 105 130 158 175 284
220 87 120 148 180 200 326
275 109 151 186 225 250 407

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