| USA EQUIVALENT PAPER WEIGHTS | ||||||||||
| In reams of 500 sheets, Basis weight in Bold type | ||||||||||
| Grade of Paper | Book | Bond | Cover | Vellum-Bristol | Index | News-print | TAG | Grammage | CALIPER | CALIPER |
| 25 X 38 | 17 X 22 | 20 X 26 | 22 1/2X28 1/2 | 25 1/2 X 30 1/2 | 24 X 36 | 24 X 36 | g/m2 | Inch | mm | |
| Book | 30 | 12 | 16 | 20 | 25 | 27 | 27 | 44 | ||
| 40 | 16 | 22 | 27 | 33 | 36 | 36 | 59 | 0 | 0.08 | |
| 45 | 18 | 25 | 30 | 37 | 41 | 41 | 67 | 0 | 0.09 | |
| 50 | 20 | 27 | 34 | 41 | 45 | 45 | 74 | 0 | 0.1 | |
| 60 | 24 | 33 | 41 | 49 | 55 | 55 | 89 | 0 | 0.12 | |
| 70 | 28 | 38 | 47 | 57 | 64 | 64 | 104 | 0.01 | 0.15 | |
| 80 | 31 | 44 | 54 | 65 | 73 | 73 | 118 | 0.01 | 0.16 | |
| 90 | 35 | 49 | 61 | 74 | 82 | 82 | 133 | 0.01 | 0.16 | |
| 100 | 39 | 55 | 68 | 82 | 91 | 91 | 148 | 0.01 | 0.18 | |
| 120 | 47 | 66 | 81 | 98 | 109 | 109 | 178 | 0.01 | 0.2 | |
| Bond | 33 | 13 | 18 | 22 | 27 | 30 | 30 | 49 | ||
| 41 | 16 | 22 | 27 | 33 | 37 | 37 | 61 | 0 | 0.08 | |
| 51 | 20 | 28 | 34 | 42 | 46 | 46 | 75 | 0 | 0.1 | |
| 61 | 24 | 33 | 41 | 50 | 55 | 56 | 90 | 0 | 0.12 | |
| 71 | 28 | 39 | 48 | 58 | 65 | 64 | 105 | 0.01 | 0.15 | |
| 81 | 32 | 45 | 55 | 67 | 74 | 74 | 120 | |||
| 91 | 36 | 50 | 62 | 75 | 83 | 83 | 135 | 0.01 | 0.17 | |
| 102 | 40 | 56 | 69 | 83 | 92 | 93 | 151 | 0.01 | 0.19 | |
| Cover | 91 | 36 | 50 | 62 | 75 | 83 | 82 | 135 | 0.07 | 0.17 |
| 110 | 43 | 60 | 74 | 90 | 100 | 100 | 163 | 0.01 | 0.19 | |
| 119 | 47 | 65 | 80 | 97 | 108 | 108 | 176 | 0.01 | 0.2 | |
| 146 | 58 | 80 | 99 | 120 | 134 | 134 | 216 | 0.01 | 0.23 | |
| 164 | 65 | 90 | 111 | 135 | 149 | 149 | 243 | 0.01 | 0.24 | |
| 183 | 72 | 100 | 123 | 150 | 166 | 166 | 271 | 0.01 | 0.29 | |
| 201 | 79 | 110 | 136 | 165 | 183 | 183 | 298 | |||
| 238 | 94 | 130 | 160 | 194 | 216 | 216 | 352 | |||
| 292 | 115 | 160 | 197 | 239 | 266 | 266 | 433 | |||
| Vellum Bristol | 99 | 39 | 54 | 67 | 81 | 90 | 90 | 147 | ||
| 119 | 47 | 65 | 80 | 97 | 108 | 108 | 176 | |||
| 148 | 58 | 81 | 100 | 121 | 135 | 135 | 219 | |||
| 178 | 70 | 97 | 120 | 146 | 162 | 162 | 263 | |||
| 207 | 82 | 114 | 140 | 170 | 189 | 189 | 307 | 0.01 | ||
| 237 | 93 | 130 | 160 | 194 | 216 | 216 | 351 | |||
| Index | 110 | 43 | 60 | 74 | 90 | 100 | 100 | 163 | 0.01 | 0.19 |
| 135 | 53 | 74 | 91 | 110 | 122 | 122 | 203 | 0.01 | 0.22 | |
| 170 | 67 | 93 | 115 | 140 | 156 | 156 | 252 | 0.01 | 250 | |
| 208 | 82 | 114 | 140 | 170 | 189 | 186 | 328 | 0.01 | 0.36 | |
| 269 | 106 | 147 | 181 | 220 | 244 | 244 | 398 | |||
| News-print | 24 | 10 | 13 | 16 | 20 | 22 | 22 | 36 | ||
| 31 | 12 | 17 | 21 | 25 | 28 | 28 | 46 | |||
| 33 | 13 | 18 | 22 | 27 | 30 | 30 | 49 | |||
| 35 | 14 | 19 | 24 | 29 | 32 | 32 | 52 | |||
| 37 | 15 | 20 | 25 | 31 | 34 | 34 | 55 | |||
| 39 | 15 | 21 | 26 | 32 | 35 | 35 | 57 | |||
| TAG | 110 | 43 | 60 | 74 | 90 | 100 | 100 | 163 | 0.01 | 0.19 |
| 137 | 54 | 75 | 93 | 113 | 125 | 125 | 203 | 0.01 | 0.23 | |
| 165 | 65 | 90 | 111 | 135 | 150 | 150 | 244 | 0.01 | 0.24 | |
| 192 | 76 | 105 | 130 | 158 | 175 | 175 | 284 | 0.01 | 0.33 | |
| 220 | 87 | 120 | 148 | 180 | 200 | 200 | 326 | 0.02 | 0.38 | |
| 275 | 109 | 151 | 186 | 225 | 250 | 250 | 407 | |||
| 330 | 130 | 181 | 227 | 270 | 300 | 300 | 488 | |||