1/4
20
0.1
0.35
0.4
0.241
0.213
5/16
18
0.111
0.44
0.498
0.303
0.271
3/8
16
0.125
0.532
0.594
0.364
0.329
7/16
14
0.143
0.62
0.692
0.426
0.385
1/2
13
0.154
0.708
0.792
0.488
0.444
9/16
12
0.167
0.802
0.896
0.55
0.502
5/8
11
0.182
0.892
0.983
0.611
0.559
3/4
10
0.2
1.075
1.175
0.735
0.677
7/8
9
0.222
1.258
1.368
0.859
0.795
1
8
0.25
1.438
1.562
0.983
0.91
1-1/8
7
0.286
1.625
1.75
1.106
1.023
1-1/4
7
0.286
1.813
1.938
1.231
1.148
1-3/8
6
0.333
2
2.125
1.354
1.256
1-1/2
6
0.333
2.188
2.313
1.479
1.381
1-3/4
5
0.4
2.563
2.688
1.727
1.609
2
4.5
0.444
2.925
3.075
1.975
1.843
2-1/4
4.5
0.444
3.3
3.45
2.225
2.093
2-1/2
4
0.5
3.675
3.825
2.473
2.324
2-3/4
4
0.5
4.05
4.2
2.723
2.574
3
4
0.5
4.425
4.575
2.973
2.824
3-1/4
4
0.5
4.775
4.975
3.223
3.073
3-1/2
4
0.5
5.15
5.35
3.473
3.323
3-3/4
4
0.5
5.525
5.725
3.723
3.573
4
4
0.5
5.9
6.1
3.973
3.823