Coated stock — Gloss Art or Matte Art for coffee table books
54 lb = 80 gsm
61 lb = 90 gsm
68 lb = 100 gsm
82 lb = 120 gsm
101 lb = 150 gsm
122 lb = 180 gsm
135 lb = 200 gsm
Art board; C1S, C2S, Gloss art, Matte art,
and Wood free
8 pt = 190 gsm (actual stock closest is 180 gsm)
9 pt = 210 gsm (actual stock closest is 200 gsm)
10 pt = 230 gsm (actual stock closest is 250 gsm)
12 pt = 260 gsm (actual stock closest is 250 gsm)
14 pt = 310 gsm (actual stock closest is 300 gsm)
16 pt = 350 gsm (actual stock closest is 350 gsm)
18 pt = 400 gsm (actual stock closest is 400 gsm)
Grey Board for hardcover books
60 pt = 16 oz. = 1.4 mm = 1,000 gsm
65 pt = 20 oz. = 1.8 mm = 1,300 gsm
70 pt = 24 oz. = 2.0 mm = 1,400 gsm
80 pt = 28 oz. = 2.2 mm = 1,600 gsm
88 pt = 32 oz. = 2.6 mm = 1,800 gsm
92 pt = 36 oz. = 2.8 mm = 2,000 gsm
98 pt = 40 oz. = 3.0 mm = 2,100 gsm
140 pt = 48 oz. = 3.4 mm = 2,400 gsm
Matte Art — (Coated)
80 gsm = 651 ppi
100 gsm = 546 ppi
120 gsm = 454 ppi
140 gsm = 348 ppi
180 gsm = 282 ppi
Gloss Art — (Coated)
80 gsm = 726 ppi
100 gsm = 605 ppi
120 gsm = 535 ppi
140 gsm = 405 ppi
180 gsm = 332 ppi
Wood Free — (Uncoated)
80 gsm = 552 ppi
100 gsm = 462 ppi
120 gsm = 552 ppi
140 gsm = 552 ppi
180 gsm = 552 ppi