Grammage Converter

Below is a conversion table comparing weights of book basis vs gsm. Use the Paper Type drop down menu to quickly navigate to your desired paper product.

Paper Type Unit Conversion  
Catalyst # news basis
gsm
18
29.3
20.9
34
22.1
36
24.6
40
- - - - - -
Electracote (Gloss) # book basis
gsm
34
50.3
36
53.3
38
56.2
40
59.2
45
66.6

 

 

 

 

 
Electracote Brite # book basis
gsm
36
53.3
38
56.2
40
59.2
43
63.6
45
66.6

 

 
- - -
Pacificote (Gloss) # book basis
gsm

 
38
56.2
40
59.2
43
63.6
45
66.6
50
74

 

 
   
Electracal (Heatset) # book basis
gsm
25.5
41.5
30
44.4
33
48.8
- - - - - - -
Electracal (Roto) # book basis
gsm
25.5
41.5
30
44.4
33
48.8
- - - - - - -
Electraprime # book basis
gsm
30
44.4
33
48.8
35.2
52
- - - - - - -
Electrastar # book basis
gsm
33
48.8
35.2
52
37.2
55
40
59.2
42.5
62.9
45
66.6
50
74
- - -
Ascent (Gloss) # book basis
gsm
    40
59.2
43
63.6
45
66.6
50
74

 

 

 

 
Ascent (Matte) # book basis
gsm
40
59.2
45
66.6
50
74

 

 
- - - - -
Marathon # news basis
gsm
23.4
38
24.6
40
26.4
43
27.7
45
- - - - - -
Advance (Gloss) # book basis
gsm
45
66.6
50
74
55
81.4
60
88.8
70
103.5

 

 

 
- -
Advance (Matte) # book basis
gsm
50
74
60
88.8

 

 

 

 

 
- - -