g/m2.... oz/square yard
50 ........1.47
60 ........1.77
70........ 2.06
80 ........2.36
90 ........2.65
100.......2.95
110.......3.24
120.......3.54
130.......3.83
140.......4.13
150.......4.42
160.......4.72
170.......5.01
180.......5.31
190.......5.60
200.......5.90
210.......6.19
220.......6.49
230.......6.78
240.......7.07
250.......7.37
260.......6.67
270.......7.96
280.......8.26
290.......8.55
300.......8.89
310.......9.14
320.......9.44
330.......9.73
1 ounce = 28.35 grams
1 gram = 0.03527 ounces
1 pound = 16 ounces = 453,592 grams