1/2
13
0.504
0.464
0.875
0.85
0.969
5/8
11
0.631
0.587
1.062
1.031
1.175
3/4
10
0.758
0.71
1.25
1.212
1.382
7/8
9
0.885
0.833
1.438
1.394
1.589
1
8
1.012
0.956
1.625
1.575
1.796
1-1/8
7
1.139
1.079
1.812
1.756
2.002
1-1/4
7
1.215
1.187
2
1.938
2.209
1-3/8
6
1.378
1.31
2.188
2.119
2.416
1-1/2
6
1.505
1.433
2.375
2.3
2.622