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
Electracote Brite # book basis
gsm 		  36
53.3 		38
56.2 		40
59.2 		43
63.6 		45
66.6 		   
Catalyst Directory # news basis
gsm 		  18
29.3 		19.4
31.5 		20.9
34 		22.1
36 		     
Electracote # book basis
gsm 		  34
50.3 		36
53.3 		38
56.2 		40
59.2 		43
63.6 		   
Electraset lbs per 3300 ft2
gsm 		 

45

66.6

50

74

55

81.4

60

88.8

     
Pacificote # book basis
gsm 		  38
56.2 		40
59.2 		43
63.6 		45
66.6 		50
74 		   
Electrabrite Book Lite # book basis
gsm 		  18.5
27.4 		20.0
29.6 		         
Electrabrite Book # book basis
gsm 		  35
52 		40
59.2 		45
66.5 		       
Electrabrite # book basis
# news basis
gsm 		  28
25.5
41.5 		30
27.3
44.4 		33
30
48.8 		35.2
32
52 		     
Electracal (Heatset) # book basis
gsm 		  28
41.5 		30
44.4 		33
48.8 		35
52 		     
Electrastar # book basis
gsm 		  33
48.8 		35.2
52 		37.2
55 		40
59.2 		42.5
62.9 		45
66.5 		50
74
Ascent # book basis
gsm 		  40
59.2 		45
66.6 		50
74 		       
Ascent (Matte) # book basis
gsm 		  40
59 		45
66.6 		50
74 		       
Marathon # news basis
gsm 		  24.6
40 		26.4
43 		27.7
45 		       
Advance # book basis
gsm 		  45
66.6 		50
74 		55
81.4 		60
88.8 		70
103.6 		   
Advance (Matte) # book basis
gsm 		  50
74 		60
88.8 		70
103.6