1/2
0.52
0.478
0.938
0.844
0.532
0.438
0.469
0.438
5/8
0.655
0.6
1.157
1.063
0.649
0.555
0.578
0.547
3/4
0.78
0.725
1.39
1.281
0.781
0.672
0.687
0.656
7/8
0.905
0.85
1.609
1.5
0.898
0.789
0.797
0.766
1
1.03
0.975
1.828
1.719
1.016
0.907
0.906
0.875
1-1/8
1.16
1.098
2.063
1.938
1.149
1.024
1.031
0.984
1-1/4
1.285
1.223
2.282
2.157
1.266
1.141
1.141
1.094
1-3/8
1.415
1.345
2.5
2.375
1.384
1.259
1.25
1.203
1-1/2
1.54
1.47
2.719
2.594
1.54
1.375
1.375
1.312
1-5/8
1.665
1.588
2.938
2.813
1.618
1.439
1.485
1.422
1-3/4
1.79
1.713
3.171
3.031
1.75
1.61
1.594
1.531