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Radius to Degrees of Curve
Radius to Degrees of Curve
Table of Radiuses and calculated Degrees of Curve.
Degree of Curve
Radius Scale Feet
Radius for HO (Inches)
7.900
725.833
100
7.980
718.575
99
8.062
711.317
98
8.145
704.058
97
8.230
696.800
96
8.317
689.542
95
8.405
682.283
94
8.496
675.025
93
8.588
667.767
92
8.683
660.508
91
8.779
653.250
90
8.878
645.992
89
8.979
638.733
88
9.083
631.475
87
9.189
624.217
86
9.297
616.958
85
9.408
609.700
84
9.522
602.442
83
9.638
595.183
82
9.757
587.925
81
9.879
580.667
80
10.005
573.408
79
10.133
566.150
78
10.265
558.892
77
10.401
551.633
76
10.540
544.375
75
10.683
537.117
74
10.830
529.858
73
10.980
522.600
72
11.136
515.342
71
11.295
508.083
70
11.459
500.825
69
11.628
493.567
68
11.803
486.308
67
11.982
479.050
66
12.167
471.792
65
12.358
464.533
64
12.555
457.275
63
12.758
450.017
62
12.968
442.758
61
13.185
435.500
60
13.410
428.242
59
13.642
420.983
58
13.883
413.725
57
14.132
406.467
56
14.390
399.208
55
14.658
391.950
54
14.936
384.692
53
15.225
377.433
52
15.525
370.175
51
15.838
362.917
50
16.163
355.658
49
16.502
333.883
48
16.856
341.142
47
17.225
333.883
46
17.611
326.625
45
18.015
319.367
44
18.437
312.108
43
18.880
304.850
42
19.345
297.592
41
19.833
290.333
40
20.347
283.075
39
20.889
275.817
38
21.460
268.558
37
22.063
261.300
36
22.702
254.042
35
23.379
246.783
34
24.098
239.525
33
24.863
232.267
32
25.678
225.008
31
26.550
217.750
30
27.483
210.492
29
28.485
203.233
28
29.563
195.975
27
30.728
188.717
26
31.989
181.458
25
33.360
174.200
24
34.856
166.942
23
36.495
159.683
22
38.299
152.425
21
40.294
145.167
20
42.515
137.908
19
45.002
130.650
18
47.809
123.392
17
51.004
116.133
16
54.676
108.875
15
58.950
101.617
14
63.997
94.358
13
70.067
87.100
12
77.546
79.842
11
87.080
72.583
10
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