Paper Thickness

Approximate Average Caliper Thickness Chart

Offset
Coated Book
Coated Cover
Antique Cover
Index
Tag
Board

 

Uncoated Offset

Basis Size 25" x 38"
Style Basis Weight Caliper GSM (Metric)
Regular Finish 50 .004 74
60 .0045 89
70 .005 104
80 .006 118
100 .0075 148
Vellum Finish 50 .0042 74
60 .0052 89
70 .0060 104
80 .0068 118

 

Coated Book

Basis Size 25" x 38"
Style Basis Weight Caliper GSM (Metric)
Gloss
60 .003 89
70 .0035 104
80 .004 118
100 .0055 148

Dull

60 .00315 89
70 .00355 104
80 .00400 118
100 .00530 148

 

Coated Cover

Basis Size 20" x 26"
Basis Weight Caliper GSM (Metric)
65 .0065 176
80 .0075 216
100 .0095 270

 

Antique Cover

Basis Size 20" x 26"
Basis Weight Caliper
50 .0075
65 .0100
90 .014

 

Index

Basis Size 25 1/2" x 30 1/2"
Basis Weight Caliper GSM (Metric)
90 .007 163
110 .0085 199
140 .011 253

 

Tag

Basis Size 24" x 36"
Basis Weight Thickness GSM (Metric)
100 .007 163
125 .009 203
150 .011 244
175 .013  
200 .015  

 

Board

Basis Size 22" x 28"
Ply Thickness
3 .015
5 .018
5 .021
6 .024
8 .030
10 .036