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194 Appendix A - Specifications
EN
Paper weight equivalence table
Use this table to determine approximate equivalent points in weight
specifications other than U.S. bond weight. For example, to determine
the equivalent of 20 lb U.S. bond weight paper in U.S. cover weight,
locate the bond weight (in row 3, second column) and scan across the
row to the cover weight (in the fourth column). The equivalent is 28 lb.
Shaded areas indicate a standard weight for that grade.
U.S.
postcard
a
thickness
(mm)
U.S.
bond
weight
(lb)
U.S. text/
book
weight
(lb)
U.S.
cover
weight
(lb)
U.S.
Bristol
weight
(lb)
U.S.
index
weight
(lb)
U.S.
tag
weight
(lb)
Metric
weight
(g/m
2
)
16 41 22 27 33 37 60
17 43 24 29 35 39 64
20 50
b
28 34 42 46 75
21 54 30 36 44 49 80
24 60
b
33 41 50 55 90
27 68 37 45 55 61
100
28 70
b
39 49 58 65 105
29 74 41 50 61 68 110
32 80
b
44 55 67 74 120
36 90 50 62 75 83 135
0.18 39 100 55 67 82 91 148
4010155688392
150
0.20 43 110 60 74 90 100 163
45 115 63 77 94 104
170
0.23 47 119 65 80 97 108 176
51 128 70 86 105 117 190
53 134 74 90
110 122 199
54 137 75 93 113 125 203
58 146 80 98 120 133 216
65 165
90 111 135 150 244