Erlang B Traffic Table
Maximum Offered Load Versus B and N
B is in %
N/B
0.01
0.05
0.1
0.5
1.0
2
5
10
15
20
30
40
1
.0001
.0005
.0010
.0050
.0101
.0204
.0526
.1111
.1765
.2500
.4286
.6667
2
.0142
.0321
.0458
.1054
.1526
.2235
.3813
.5954
.7962
1.000
1.449
2.000
3
.0868
.1517
.1938
.3490
.4555
.6022
.8994
1.271
1.603
1.930
2.633
3.480
4
.2347
.3624
.4393
.7012
.8694
1.092
1.525
2.045
2.501
2.945
3.891
5.021
5
.4520
.6486
.7621
1.132
1.361
1.657
2.219
2.881
3.454
4.010
5.189
6.596
6
.7282
.9957
1.146
1.622
1.909
2.276
2.960
3.758
4.445
5.109
6.514
8.191
7
1.054
1.392
1.579
2.158
2.501
2.935
3.738
4.666
5.461
6.230
7.856
9.800
8
1.422
1.830
2.051
2.730
3.128
3.627
4.543
5.597
6.498
7.369
9.213
11.42
9
1.826
2.302
2.558
3.333
3.783
4.345
5.370
6.546
7.551
8.522
10.58
13.05
10
2.260
2.803
3.092
3.961
4.461
5.084
6.216
7.511
8.616
9.685
11.95
14.68
11
2.722
3.329
3.651
4.610
5.160
5.842
7.076
8.487
9.691
10.86
13.33
16.31
12
3.207
3.878
4.231
5.279
5.876
6.615
7.950
9.474
10.78
12.04
14.72
17.95
13
3.713
4.447
4.831
5.964
6.607
7.402
8.835
10.47
11.87
13.22
16.11
19.60
14
4.239
5.032
5.446
6.663
7.352
8.200
9.730
11.47
12.97
14.41
17.50
21.24
15
4.781
5.634
6.077
7.376
8.108
9.010
10.63
12.48
14.07
15.61
18.90
22.89
16
5.339
6.250
6.722
8.100
8.875
9.828
11.54
13.50
15.18
16.81
20.30
24.54
17
5.911
6.878
7.378
8.834
9.652
10.66
12.46
14.52
16.29
18.01
21.70
26.19
18
6.496
7.519
8.046
9.578
10.44
11.49
13.39
15.55
17.41
19.22
23.10
27.84
19
7.093
8.170
8.724
10.33
11.23
12.33
14.32
16.58
18.53
20.42
24.51
29.50
20
7.701
8.831
9.412
11.09
12.03
13.18
15.25
17.61
19.65
21.64
25.92
31.15
21
8.319
9.501
10.11
11.86
12.84
14.04
16.19
18.65
20.77
22.85
27.33
32.81
22
8.946
10.18
10.81
12.64
13.65
14.90
17.13
19.69
21.90
24.06
28.74
34.46
23
9.583
10.87
11.52
13.42
14.47
15.76
18.08
20.74
23.03
25.28
30.15
36.12
24
10.23
11.56
12.24
14.20
15.30
16.63
19.03
21.78
24.16
26.50
31.56
37.78
25
10.88
12.26
12.97
15.00
16.13
17.51
19.99
22.83
25.30
27.72
32.97
39.44
26
11.54
12.97
13.70
15.80
16.96
18.38
20.94
23.89
26.43
28.94
34.3