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
    - - -