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

45

66.6

50

74

55

81.4

60

88.8

        - -
      - - - - - - - - -
                  - - -
Pacificote (Gloss) # book basis
gsm 		  38
56.2 		40
59.2 		43
63.6 		45
66.6 		50
74 		       
            - - - - - -
              - - - - -
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 		- - - - - - -
Electracal (Roto) # book basis
gsm 		28
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
66.5 		50
74 		- - -
Ascent (Gloss) # book basis
gsm 		    40
59.2 		  45
66.6 		50
74 		       
Ascent (Matte) # book basis
gsm 		40
59 		45
67 		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
104.6 		  - -
Advance (Matte) # book basis
gsm 		    50
74 		  60
88.8 		    - - -