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
 
 
 
 
  		- - -