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Degrees of Curve to Radius

   Table of Degrees of Curve and calculated Radiuses.

Degree of Curve Radius, Scale Feet Radius for HO (Inches)
1 5729.651 789.389
2 2864.934 394.710
3 1910.078 263.156
4 1432.685 197.385
5 1146.279 157.926
6 955.366 131.623
7 819.020 112.839
8 716.779 98.753
9 637.275 87.799
10 573.686 79.038
11 521.672 71.872
12 478.339 65.902
13 441.684 60.852
14 410.275 56.525
15 383.065 52.776
16 359.265 49.497
17 338.273 46.605
18 319.623 44.035
19 302.943 41.737
20 287.939 39.670
21 274.370 37.801
22 262.042 36.102
23 250.793 34.552
24 240.487 33.132
25 231.011 31.827
26 222.271 30.623
27 214.183 29.509
28 206.678 28.475
29 199.696 27.513
30 193.185 26.616
31 187.099 25.777
32 181.398 24.992
33 176.047 24.254
34 171.015 23.561
35 166.275 22.908
36 161.803 22.292
37 157.577 21.710
38 153.578 21.159
39 149.787 20.637
40 146.190 20.141
41 142.773 19.670
42 139.521 19.222
43 136.425 18.796
44 133.473 18.389
45 130.656 18.001
46 127.965 17.630
47 125.392 17.276
48 122.930 16.936
49 120.571 16.611
50 118.310 16.300
51 116.141 16.001
52 114.059 15.714
53 112.058 15.439
54 110.134 15.174
55 108.284 14.919
56 106.503 14.673
57 104.787 14.437
58 103.133 14.209
59 101.539 13.989
60 100.000 13.777
61 98.515 13.573
62 97.080 13.375
63 95.694 13.184
64 94.354 12.999
65 93.058 12.821
66 91.804 12.648
67 90.590 12.481
68 89.415 12.319
69 88.276 12.162
70 87.172 12.010
71 86.103 11.863
72 85.065 11.720
73 84.059 11.581
74 83.082 11.446
75 82.134 11.316
76 81.213 11.189
77 80.319 11.066
78 79.451 10.946
79 78.607 10.830
80 77.786 10.717
81 76.988 10.607
82 76.213 10.500
83 75.458 10.396
84 74.724 10.295
85 74.009 10.196
86 73.314 10.101
87 72.637 10.007
88 71.978 9.917
89 71.336 9.828
90 70.711 9.742

 
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 Page Last Updated 12/19/2004

 

 

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