ERLANG C (QUEUING) | ||||||
TRAFFIC OFFERED (ERLANGS) | ||||||
AVERAGE DELAY/HOLDING TIME: D/H = P{delay>0}/(C-A) | ||||||
D/H | 0.25 | 0.5 | 0.75 | 1 | 2 | 4 |
# OF CH: C | ||||||
1 | 0.200 | 0.333 | 0.428 | 0.500 | 0.667 | 0.661 |
2 | 0.894 | 1.156 | 1.308 | 1.414 | 1.633 | 1.789 |
3 | 1.719 | 2.058 | 2.247 | 2.369 | 2.617 | 2.783 |
4 | 2.592 | 2.989 | 3.203 | 3.339 | 3.606 | 3.781 |
5 | 3.494 | 3.939 | 4.172 | 4.317 | 4.597 | 4.778 |
6 | 4.414 | 4.897 | 5.144 | 5.300 | 5.592 | 5.775 |
7 | 5.347 | 5.864 | 6.125 | 6.286 | 6.586 | 6.775 |
8 | 6.289 | 6.833 | 7.106 | 7.272 | 7.581 | 7.772 |
9 | 7.236 | 7.808 | 8.092 | 8.264 | 8.578 | 8.772 |
10 | 8.189 | 8.786 | 9.078 | 9.253 | 9.575 | 9.769 |
11 | 9.147 | 9.767 | 10.067 | 10.247 | 10.572 | 10.769 |
12 | 10.108 | 10.747 | 11.056 | 11.239 | 11.569 | 11.769 |
13 | 11.072 | 11.731 | 12.044 | 12.233 | 12.567 | 12.769 |
14 | 12.042 | 12.717 | 13.036 | 13.225 | 13.567 | 13.767 |
15 | 13.008 | 13.700 | 14.028 | 14.219 | 14.564 | 14.767 |
16 | 13.981 | 14.689 | 15.019 | 15.217 | 15.561 | 15.767 |
17 | 14.675 | 15.675 | 16.014 | 16.211 | 16.561 | 16.767 |
18 | 15.928 | 16.664 | 17.006 | 17.206 | 17.558 | 17.767 |
19 | 16.906 | 17.653 | 18.000 | 18.203 | 18.558 | 18.767 |
20 | 17.883 | 18.644 | 18.994 | 19.200 | 19.556 | 19.764 |
21 | 18.861 | 19.633 | 19.989 | 20.194 | 20.556 | 20.764 |
22 | 19.842 | 20.625 | 20.983 | 21.192 | 21.556 | 21.764 |
23 | 20.822 | 21.617 | 21.978 | 22.189 | 22.553 | 22.764 |
24 | 21.803 | 22.608 | 22.975 | 23.186 | 23.553 | 23.764 |
25 | 22.786 | 23.600 | 23.969 | 24.183 | 24.553 | 24.764 |
26 | 23.767 | 24.594 | 24.967 | 25.181 | 25.550 | 25.764 |
27 | 24.750 | 25.586 | 25.961 | 26.178 | 26.550 | 26.764 |
28 | 25.736 | 26.581 | 26.958 | 27.175 | 27.550 | 27.764 |
29 | 26.719 | 27.572 | 27.956 | 28.172 | 28.547 | 28.764 |
30 | 27.706 | 28.567 | 28.950 | 29.172 | 29.547 | 29.764 |
31 | 28.692 | 29.561 | 29.947 | 30.169 | 30.547 | 30.764 |
32 | 29.678 | 30.556 | 30.944 | 31.167 | 31.547 | 31.761 |
33 | 30.664 | 31.550 | 31.942 | 32.164 | 32.547 | 32.761 |
34 | 31.653 | 32.544 | 32.939 | 33.164 | 33.544 | 33.761 |
35 | 32.639 | 33.539 | 33.936 | 34.161 | 34.544 | 34.761 |
36 | 33.628 | 34.533 | 34.933 | 35.158 | 35.544 | 35.761 |
37 | 34.617 | 36.031 | 35.931 | 36.158 | 36.569 | 36.761 |
38 | 35.606 | 36.525 | 36.928 | 37.156 | 37.544 | 37.761 |
39 | 36.594 | 37.519 | 37.925 | 38.156 | 38.542 | 38.761 |
40 | 37.583 | 38.517 | 38.922 | 39.153 | 39.542 | 39.761 |
41 | 38.572 | 39.511 | 39.919 | 40.153 | 40.539 | 40.761 |
42 | 39.561 | 40.508 | 40.917 | 41.150 | 41.542 | 41.761 |
43 | 40.553 | 41.503 | 41.917 | 42.150 | 42.542 | 42.761 |
44 | 41.542 | 42.500 | 42.914 | 43.147 | 43.542 | 43.761 |
45 | 42.533 | 43.494 | 43.911 | 44.147 | 44.539 | 44.761 |
46 | 43.522 | 44.492 | 44.911 | 45.144 | 45.539 | 45.761 |
47 | 44.514 | 45.489 | 45.908 | 46.144 | 46.539 | 46.761 |
48 | 45.506 | 46.486 | 46.906 | 47.142 | 47.539 | 47.761 |
49 | 46.497 | 47.481 | 47.903 | 48.142 | 48.539 | 48.761 |
50 | 47.489 | 48.478 | 48.903 | 49.139 | 49.539 | 49.761 |
51 | 48.481 | 49.475 | 49.900 | 50.139 | 50.539 | 50.761 |
52 | 49.472 | 50.472 | 50.900 | 51.139 | 51.539 | 51.761 |
53 | 50.464 | 51.469 | 51.897 | 52.136 | 52.536 | 52.761 |
54 | 51.458 | 52.467 | 52.894 | 53.136 | 53.536 | 53.761 |
55 | 52.450 | 53.461 | 53.894 | 54.136 | 54.536 | 54.758 |
56 | 53.442 | 54.458 | 54.892 | 55.133 | 55.536 | 55.758 |
57 | 54.436 | 55.456 | 55.892 | 56.133 | 56.536 | 56.758 |
58 | 55.428 | 56.453 | 56.889 | 57.133 | 57.536 | 57.758 |
59 | 56.422 | 57.450 | 57.889 | 58.131 | 58.536 | 58.758 |
60 | 57.414 | 58.447 | 58.886 | 59.131 | 59.536 | 59.758 |
61 | 58.408 | 59.447 | 59.886 | 60.131 | 60.536 | 60.758 |
62 | 59.400 | 60.442 | 60.883 | 61.128 | 61.536 | 61.758 |
63 | 60.394 | 61.442 | 61.883 | 62.128 | 62.536 | 62.758 |
64 | 61.386 | 62.439 | 62.881 | 63.128 | 63.533 | 63.758 |
65 | 62.383 | 63.436 | 63.881 | 64.125 | 64.533 | 64.758 |
66 | 61.625 | 64.433 | 64.878 | 65.125 | 65.533 | 65.758 |
67 | 64.369 | 65.431 | 65.878 | 66.125 | 66.533 | 66.758 |
68 | 65.364 | 66.428 | 66.875 | 67.125 | 67.533 | 67.758 |
69 | 66.358 | 67.425 | 67.875 | 68.122 | 68.533 | 68.758 |
70 | 67.353 | 68.425 | 68.872 | 69.122 | 69.533 | 69.758 |
71 | 68.347 | 69.422 | 69.872 | 70.122 | 70.533 | 70.758 |
72 | 69.342 | 70.419 | 70.872 | 71.122 | 71.533 | 71.758 |
73 | 70.308 | 71.417 | 71.869 | 72.119 | 72.533 | 72.758 |
74 | 71.331 | 72.417 | 72.869 | 73.119 | 73.533 | 73.758 |
75 | 72.325 | 73.414 | 73.867 | 74.119 | 74.533 | 74.758 |
76 | 73.319 | 74.411 | 74.867 | 75.119 | 75.533 | 75.758 |
77 | 74.314 | 75.408 | 75.867 | 76.117 | 76.531 | 76.758 |
78 | 75.308 | 76.408 | 76.864 | 77.117 | 77.531 | 77.758 |
79 | 76.303 | 77.406 | 77.864 | 78.117 | 78.531 | 78.758 |
80 | 77.297 | 78.403 | 78.864 | 79.117 | 79.531 | 79.758 |
81 | 78.294 | 79.403 | 79.861 | 80.114 | 80.531 | 80.758 |
82 | 79.289 | 80.400 | 80.861 | 81.114 | 81.531 | 81.758 |
83 | 80.283 | 81.400 | 81.861 | 82.114 | 82.531 | 82.758 |
84 | 81.281 | 82.397 | 82.858 | 83.114 | 83.531 | 83.758 |
85 | 82.275 | 83.394 | 83.858 | 84.114 | 84.531 | 84.758 |
86 | 83.269 | 84.394 | 84.858 | 85.111 | 85.531 | 85.758 |
87 | 84.267 | 85.392 | 85.856 | 86.111 | 86.531 | 86.758 |
88 | 85.261 | 86.389 | 86.856 | 87.111 | 87.531 | 87.758 |
89 | 86.256 | 87.389 | 87.856 | 88.111 | 88.531 | 88.758 |
90 | 87.253 | 88.386 | 88.853 | 89.111 | 89.531 | 89.758 |
91 | 88.247 | 89.386 | 89.853 | 90.108 | 90.531 | 90.758 |
92 | 89.244 | 90.383 | 90.853 | 91.108 | 91.531 | 91.758 |
93 | 90.242 | 91.383 | 91.850 | 92.108 | 92.531 | 92.758 |
94 | 91.236 | 92.381 | 92.850 | 93.108 | 93.528 | 93.758 |
95 | 92.231 | 93.378 | 93.850 | 94.108 | 94.528 | 94.758 |
96 | 93.228 | 94.378 | 94.850 | 95.108 | 95.528 | 95.758 |
97 | 94.225 | 95.378 | 95.847 | 96.106 | 96.528 | 96.758 |
98 | 95.219 | 96.375 | 96.847 | 97.106 | 97.528 | 108.869 |
99 | 96.217 | 97.372 | 97.847 | 98.106 | 98.528 | 98.758 |
100 | 97.211 | 98.372 | 98.847 | 99.106 | 99.528 | 99.758 |
101 | 98.208 | 99.369 | 99.844 | 100.106 | 100.528 | 100.758 |
102 | 99.206 | 100.369 | 100.844 | 101.106 | 101.528 | 101.758 |
103 | 100.203 | 101.367 | 101.844 | 102.103 | 102.528 | 102.758 |
104 | 101.197 | 102.367 | 102.842 | 103.103 | 103.528 | 103.758 |
105 | 102.194 | 103.364 | 103.842 | 104.103 | 104.528 | 104.758 |
106 | 103.189 | 104.364 | 104.842 | 105.103 | 105.528 | 105.758 |
107 | 104.186 | 105.364 | 105.842 | 106.103 | 106.528 | 106.758 |
108 | 105.183 | 106.361 | 106.842 | 107.103 | 107.528 | 107.758 |
109 | 106.181 | 107.361 | 107.839 | 108.103 | 108.528 | 108.758 |
110 | 107.175 | 108.358 | 108.839 | 109.100 | 109.528 | 109.758 |
111 | 108.172 | 109.358 | 109.839 | 110.100 | 110.528 | 110.758 |
112 | 109.169 | 110.356 | 110.839 | 111.100 | 111.528 | 111.758 |
113 | 110.167 | 111.356 | 111.836 | 112.100 | 112.528 | 112.756 |
114 | 111.164 | 112.353 | 112.836 | 113.100 | 113.528 | 113.756 |
115 | 112.161 | 113.353 | 113.836 | 114.100 | 114.528 | 114.756 |
116 | 113.156 | 114.350 | 114.836 | 115.100 | 115.525 | 115.756 |
117 | 114.153 | 115.336 | 115.836 | 116.097 | 116.525 | 116.756 |
118 | 115.150 | 116.350 | 116.833 | 117.097 | 117.525 | 117.756 |
119 | 116.147 | 117.347 | 117.833 | 118.097 | 118.525 | 118.756 |
120 | 117.144 | 118.347 | 118.833 | 119.097 | 119.525 | 119.756 |
121 | 118.142 | 119.344 | 119.833 | 120.097 | 120.525 | 120.756 |
122 | 119.139 | 120.344 | 120.831 | 121.097 | 121.525 | 121.756 |
123 | 120.136 | 121.344 | 121.831 | 122.097 | 122.525 | 122.756 |
124 | 121.131 | 122.342 | 122.831 | 123.097 | 123.525 | 123.756 |
125 | 122.128 | 123.342 | 123.831 | 124.094 | 124.500 | 124.756 |
126 | 123.125 | 124.342 | 124.831 | 125.094 | 125.525 | 125.756 |
127 | 124.122 | 125.339 | 125.831 | 126.094 | 126.525 | 126.756 |
128 | 125.119 | 126.339 | 126.828 | 127.094 | 127.525 | 127.756 |
129 | 126.117 | 127.336 | 127.828 | 128.094 | 128.525 | 128.756 |
130 | 127.114 | 128.336 | 128.828 | 129.094 | 129.525 | 129.756 |
131 | 128.111 | 129.336 | 129.828 | 132.872 | 130.525 | 130.756 |
132 | 129.108 | 130.333 | 130.828 | 131.094 | 131.525 | 131.756 |
133 | 130.106 | 131.333 | 131.825 | 132.094 | 132.525 | 132.756 |
134 | 131.106 | 132.333 | 132.825 | 133.092 | 133.525 | 133.756 |
135 | 132.100 | 133.331 | 133.825 | 134.092 | 134.525 | 134.756 |
136 | 133.100 | 134.331 | 134.825 | 135.092 | 135.500 | 135.756 |
137 | 134.094 | 135.331 | 135.825 | 136.092 | 136.525 | 136.756 |
138 | 135.092 | 136.328 | 136.825 | 137.092 | 137.525 | 137.756 |
139 | 136.089 | 137.328 | 137.822 | 138.092 | 138.525 | 138.756 |
140 | 137.089 | 138.328 | 138.822 | 139.092 | 139.525 | 139.756 |
141 | 138.086 | 139.325 | 139.822 | 140.092 | 140.525 | 140.756 |
142 | 139.083 | 140.325 | 140.822 | 141.092 | 141.525 | 141.756 |
143 | 140.081 | 141.325 | 141.822 | 142.092 | 142.525 | 142.756 |
144 | 141.078 | 142.322 | 142.819 | 143.089 | 143.525 | 143.756 |
145 | 142.075 | 143.322 | 143.819 | 144.089 | 144.525 | 144.756 |
146 | 143.072 | 144.322 | 144.819 | 145.089 | 145.525 | 145.756 |
147 | 144.069 | 145.319 | 145.819 | 146.089 | 146.525 | 146.756 |
148 | 145.069 | 146.319 | 146.819 | 147.089 | 147.525 | 147.756 |
149 | 146.067 | 147.319 | 147.819 | 148.089 | 148.522 | 148.756 |
150 | 147.064 | 148.317 | 148.819 | 149.089 | 149.522 | 149.756 |