U.S. to Metric paper Basis Weight Conversion Chart


U.S. paper weight could be vary and is determined by paper type.  

The paper basis weight system acknowledged in China follows the global metric standard as shown below:

Equivalents Weight Bond Offset Cover Points Grams/Sq Meter
16 40 18 3.2 60gsm
18 45 24 3.6 68gsm
20 50 28 3.8 75gsm
24 60 33 4.8 90gsm
28 70 39 5.8 105gsm
29 73 40 6.1 110gsm
31 81 45 6.1 117gsm
35 90 48 6 132gsm
36 90 50 6.8 135gsm
39 100 54 7.2 147gsm
40 100 56 7.3 150gsm
43 110 60 7.4 162gsm
44 110 61 7.6 166gsm
47 120 65 8 177gsm
53 135 74 9 200gsm
54 137 75 9 203gsm
58 146 80 9.5 220gsm
65 165 90 10 247gsm
67 170 93 10.5 252gsm
72 183 100 11 271gsm
76 192 105 13 286gsm
82 208 114 14 309gsm
87 220 120 15 312gsm
105 267 146 18 385gsm

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