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A Specifications 179
Overview
Paper weight equivalence table
Use this table to determine approximate equivalent basis weight 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 two,
first column) and scan across the row to the cover weight (in the third column). The equivalent is 75 g/m
2
(28 lb).
Note Shaded areas indicate a standard weight for that grade.
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
)
17 43 24 29 35 39 64
20 50 28 34 42 46 75
21 54 30 36 44 49
80
22 56 31 38 46 51 81
24 60 33 41 50 55 90
27 68 37 45 55 61
100
28 70 39 49 58 65 105
32 80 44 55 67 74 120
34 86 47 58 71 79 128
36 91 50 62 75 83 135