Paper Weight Conversion Table - Ricoh Pro C9200 Operator's Manual

5. Paper Specifications and Adding Paper

Paper Weight Conversion Table

The weight of paper is measured as paper weight or ream weight.
Paper weight is the weight of one square meter of a sheet of paper, measured in units of g/m
weight is the weight in pounds of 500 sheets of the paper. The basic size varies depending on the type
(grade) of paper.
The basic sizes for each grade are as follow:
• Bond, Ledger: 17" × 22"
• Offset, Text: 25" × 38"
• Cover: 20" × 26"
1
• Index: 25 /
2
Ream weight can be calculated using the following equation:
Ream weight (lb) = paper weight (g/m
The following table shows the relationship between paper weight and ream weight:
Paper weight
2
(g/m )
52
60
75
90
105
108
118
120
135
148
162
176
134
1
" × 30 / "
2
2
) × dimension of paper (m
Bond / Ledger
(lb.)
14
*
16
*
20
*
24
*
28
29
31
*
32
36
39
43
47
2
/sheet) × 500 (sheets)
Ream weight
Offset / Text Cover
(lb. text) (lb. cover)
36
*
40
*
50
*
60
*
70
73 40
*
80
81
90 50
*
100
110 60
120 65
2
. Ream
Index
(lb. index)
20 29
22 33
28 42
33 50
39 58
*
60
44 65
45 67
*
75
55 82
* *
90
*
97