PAPER WEIGHT & THICKNESS CONVERSION CHART:

 gsm(grams per square meter) ⇒ mm(milimeter)

 (1C = 0.01mm)

Uncoated "Woodfree" Offset Paper               Gloss or Matte Coated Paper(C2S Art Paper)                 

60gsm                →              7~8C                      80gsm                  →              6~7C  

70gsm                →              8~9C                     105gsm                →              9C

80gsm                →              10C                        120gsm               →              9~10C

100gsm              →              12C                        128gsm               →             10~11C      

120gsm              →              14C                        150gsm               →                12C               

140gsm              →              17C                        157gsm               →             13~14C 

160gsm              →               20C                        200gsm              →             19~20C 

180gsm              →               22C                        250gsm              →              23~25C

200gsm              →            23~24C                    300gsm              →              29~31C

250gsm              →            25~26C                    350gsm              →              34~36C

300gsm              →            30~32C                    400gsm              →              39~42C

C1S Art Paper                                                      CCNB Paper(Clay Coated News Back)        

210gsm              →             24~25C                    250gsm             →                 31C

250gsm              →               32C                         300gsm             →                 38C

300gsm              →             40~41C                    350gsm             →                 45C      

350gsm              →             49~50C                    400gsm             →                 52C 

400gsm              →                58C                        450gsm             →                 58C