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Conduit Size 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4" 5" Cable Area O.D. (inches)
Actual Area* (sq.in.) 0.30 0.53 0.86 1.50 2.04 3.36 5.86 8.85 11.55 14.75 20.21
1 Cable Fill (53%) 0.16 0.28 0.46 0.79 1.08 1.78 3.11 4.69 6.12 7.82 10.71
2 Cable Fill (31%) 0.09 0.17 0.27 0.46 0.63 1.04 1.82 2.74 3.58 4.57 6.27
3+ Cable Fill (40%) 0.12 0.21 0.35 0.60 0.81 1.34 2.34 3.54 4.62 5.90 8.09
Max. # Cables 15 26 43 76 104 170 244 375 504 648 1018 0.0079 0.100
13 24 39 69 94 154 221 340 457 587 923 0.0087 0.105
12 22 35 63 86 141 202 310 416 535 841 0.0095 0.110
11 20 32 57 78 129 184 284 381 490 770 0.0104 0.115
10 18 30 53 72 118 169 260 350 450 707 0.0113 0.120
9 17 27 48 66 109 156 240 322 414 651 0.0123 0.125
9 15 25 45 61 100 144 222 298 383 602 0.0133 0.130
8 14 23 41 57 93 134 206 276 355 558 0.0143 0.135
7 13 22 38 53 87 124 191 257 330 519 0.0154 0.140
7 12 20 36 49 81 116 178 239 308 484 0.0165 0.145
6 11 19 33 46 75 108 166 224 288 452 0.0177 0.150
6 11 18 31 43 71 101 156 209 269 423 0.0189 0.155
5 10 16 29 40 66 95 146 196 253 397 0.0201 0.160
5 9 15 28 38 62 89 137 185 238 374 0.0214 0.165
5 9 14 26 36 59 84 129 174 224 352 0.0227 0.170
5 8 14 24 34 55 79 122 164 211 332 0.0241 0.175
4 8 13 23 32 52 75 115 155 200 314 0.0254 0.180
4 7 12 22 30 49 71 109 147 189 297 0.0269 0.185
4 7 12 21 28 47 67 104 139 179 282 0.0284 0.190
4 7 11 20 27 44 64 98 132 170 267 0.0299 0.195
3 6 10 19 26 42 61 93 126 162 254 0.0314 0.200
3 6 10 18 24 40 58 89 119 154 242 0.0330 0.205
3 6 9 17 23 38 55 85 114 146 230 0.0346 0.210
3 5 9 16 22 36 52 81 109 140 220 0.0363 0.215
3 5 8 15 21 35 50 77 104 133 210 0.0380 0.220
3 5 8 15 20 33 48 74 99 128 201 0.0398 0.225
2 5 8 14 19 32 46 71 95 122 192 0.0415 0.230
2 4 7 13 18 30 44 68 91 117 184 0.0434 0.235
1 4 7 13 18 29 42 65 87 112 176 0.0452 0.240
1 4 7 12 17 28 40 62 84 107 169 0.0471 0.245
1 4 6 12 16 27 39 60 80 103 162 0.0491 0.250
1 4 6 11 16 26 37 57 77 99 156 0.0511 0.255
1 3 6 11 15 25 36 55 74 95 150 0.0531 0.260
1 3 6 10 14 24 34 53 71 92 145 0.0552 0.265
1 3 5 10 14 23 33 51 69 88 139 0.0573 0.270
1 3 5 10 13 22 32 49 66 85 134 0.0594 0.275
1 3 5 9 13 21 31 47 64 82 129 0.0616 0.280
1 3 5 9 12 21 30 46 62 79 125 0.0638 0.285
1 3 5 9 12 20 29 44 59 77 121 0.0661 0.290
1 3 4 8 12 19 28 43 57 74 117 0.0683 0.295
1 2 4 8 11 18 27 41 56 72 113 0.0707 0.300
1 2 4 8 11 18 26 40 54 69 109 0.0731 0.305
1 2 4 7 10 17 25 39 52 67 105 0.0755 0.310
1 2 4 7 10 17 24 37 50 65 102 0.0779 0.315
1 1 4 7 10 16 23 36 49 63 99 0.0804 0.320
1 1 4 7 9 16 23 35 47 61 96 0.0830 0.325
1 1 3 7 9 15 22 34 46 59 93 0.0855 0.330
1 1 3 6 9 15 21 33 44 57 90 0.0881 0.335
1 1 3 6 9 14 21 32 43 56 88 0.0908 0.340
1 1 3 6 8 14 20 31 42 54 85 0.0935 0.345
1 1 3 6 8 13 19 30 41 52 83 0.0962 0.350
1 1 3 6 8 13 19 29 40 51 80 0.0990 0.355
1 1 3 5 8 13 18 28 38 50 78 0.1018 0.360
1 1 3 5 7 12 18 28 37 48 76 0.1046 0.365
1 1 3 5 7 12 17 27 36 47 74 0.1075 0.370
1 1 3 5 7 12 17 26 35 46 72 0.1104 0.375
1 1 3 5 7 11 16 26 34 44 70 0.1134 0.380
1 1 2 5 7 11 16 25 34 43 68 0.1164 0.385
1 1 2 5 6 11 16 24 33 42 66 0.1195 0.390
1 1 2 4 6 10 15 24 32 41 65 0.1225 0.395
1 1 2 4 6 10 15 23 31 40 63 0.1257 0.400
1 1 2 4 6 10 14 22 30 39 62 0.1288 0.405
1 1 2 4 6 10 14 22 30 38 60 0.1320 0.410
1 1 1 4 6 9 14 21 29 37 59 0.1353 0.415
1 1 1 4 5 9 13 21 28 36 57 0.1385 0.420
1 1 1 4 5 9 13 20 27 35 56 0.1419 0.425
1 1 1 4 5 9 13 20 27 35 55 0.1452 0.430
1 1 1 4 5 9 12 19 26 34 53 0.1486 0.435
1 1 1 3 5 8 12 19 26 33 52 0.1521 0.440
1 1 1 3 5 8 12 18 25 32 51 0.1555 0.445
1 1 1 3 5 8 12 18 24 32 50 0.1590 0.450
0 1 1 3 5 8 11 18 24 31 49 0.1626 0.455
0 1 1 3 4 8 11 17 23 30 48 0.1662 0.460
0 1 1 3 4 7 11 17 23 29 47 0.1698 0.465
0 1 1 3 4 7 11 17 22 29 46 0.1735 0.470
0 1 1 3 4 7 10 16 22 28 45 0.1772 0.475
0 1 1 3 4 7 10 16 21 28 44 0.1810 0.480
0 1 1 3 4 7 10 15 21 27 43 0.1847 0.485
0 1 1 3 4 7 10 15 21 27 42 0.1886 0.490
0 1 1 3 4 6 9 15 20 26 41 0.1924 0.495
0 1 1 3 4 6 9 15 20 25 40 0.1963 0.500
0 1 1 3 4 6 9 14 19 25 39 0.2003 0.505
0 1 1 2 4 6 9 14 19 24 39 0.2043 0.510
0 1 1 2 3 6 9 14 19 24 38 0.2083 0.515
0 1 1 2 3 6 9 13 18 23 37 0.2124 0.520
0 1 1 2 3 6 8 13 18 23 36 0.2165 0.525
0 1 1 2 3 6 8 13 17 23 36 0.2206 0.530
0 1 1 2 3 5 8 13 17 22 35 0.2248 0.535
0 1 1 2 3 5 8 12 17 22 34 0.2290 0.540
0 1 1 2 3 5 8 12 16 21 34 0.2333 0.545
0 1 1 1 3 5 8 12 16 21 33 0.2376 0.550
0 1 1 1 3 5 7 12 16 21 33 0.2419 0.555
0 1 1 1 3 5 7 11 16 20 32 0.2463 0.560
0 1 1 1 3 5 7 11 15 20 31 0.2507 0.565
0 1 1 1 3 5 7 11 15 19 31 0.2552 0.570
0 1 1 1 3 5 7 11 15 19 30 0.2597 0.575
0 1 1 1 3 5 7 11 15 19 30 0.2642 0.580
0 1 1 1 3 5 7 10 14 18 29 0.2688 0.585
0 1 1 1 3 4 7 10 14 18 29 0.2734 0.590
0 1 1 1 2 4 6 10 14 18 28 0.2781 0.595
0 0 1 1 2 4 6 10 14 18 28 0.2827 0.600
0 0 1 1 2 4 6 10 13 17 27 0.2875 0.605
0 0 1 1 2 4 6 10 13 17 27 0.2922 0.610
0 0 1 1 2 4 6 9 13 17 26 0.2971 0.615
0 0 1 1 2 4 6 9 13 16 26 0.3019 0.620
0 0 1 1 2 4 6 9 12 16 26 0.3068 0.625
0 0 1 1 2 4 6 9 12 16 25 0.3117 0.630
0 0 1 1 1 4 6 9 12 16 25 0.3167 0.635
0 0 1 1 1 4 5 9 12 15 24 0.3217 0.640
0 0 1 1 1 4 5 9 12 15 24 0.3267 0.645
0 0 1 1 1 4 5 8 11 15 24 0.3318 0.650
0 0 1 1 1 3 5 8 11 15 23 0.3370 0.655
0 0 1 1 1 3 5 8 11 14 23 0.3421 0.660
0 0 1 1 1 3 5 8 11 14 23 0.3473 0.665
0 0 1 1 1 3 5 8 11 14 22 0.3526 0.670
0 0 1 1 1 3 5 8 11 14 22 0.3578 0.675
0 0 1 1 1 3 5 8 10 14 22 0.3632 0.680
0 0 1 1 1 3 5 8 10 13 21 0.3685 0.685
0 0 1 1 1 3 5 7 10 13 21 0.3739 0.690
0 0 1 1 1 3 5 7 10 13 21 0.3794 0.695
0 0 1 1 1 3 5 7 10 13 20 0.3848 0.700
0 0 1 1 1 3 4 7 10 13 20 0.3904 0.705
0 0 1 1 1 3 4 7 10 12 20 0.3959 0.710
0 0 1 1 1 3 4 7 9 12 19 0.4015 0.715
0 0 1 1 1 3 4 7 9 12 19 0.4072 0.720
0 0 1 1 1 3 4 7 9 12 19 0.4128 0.725
0 0 1 1 1 3 4 7 9 12 19 0.4185 0.730
0 0 1 1 1 3 4 6 9 12 18 0.4243 0.735
0 0 1 1 1 3 4 6 9 11 18 0.4301 0.740
0 0 1 1 1 3 4 6 9 11 18 0.4359 0.745
0 0 1 1 1 3 4 6 8 11 18 0.4418 0.750
0 0 1 1 1 3 4 6 8 11 17 0.4477 0.755
0 0 1 1 1 2 4 6 8 11 17 0.4536 0.760
0 0 1 1 1 2 4 6 8 11 17 0.4596 0.765
0 0 0 1 1 2 4 6 8 10 17 0.4657 0.770
0 0 0 1 1 2 4 6 8 10 16 0.4717 0.775
0 0 0 1 1 2 4 6 8 10 16 0.4778 0.780
0 0 0 1 1 2 3 6 8 10 16 0.4840 0.785
0 0 0 1 1 2 3 6 8 10 16 0.4902 0.790
0 0 0 1 1 2 3 5 7 10 16 0.4964 0.795
0 0 0 1 1 2 3 5 7 10 15 0.5027 0.800
0 0 0 1 1 2 3 5 7 10 15 0.5090 0.805
0 0 0 1 1 2 3 5 7 9 15 0.5153 0.810
0 0 0 1 1 1 3 5 7 9 15 0.5217 0.815
0 0 0 1 1 1 3 5 7 9 15 0.5281 0.820
0 0 0 1 1 1 3 5 7 9 14 0.5346 0.825
0 0 0 1 1 1 3 5 7 9 14 0.5411 0.830
0 0 0 1 1 1 3 5 7 9 14 0.5476 0.835
0 0 0 1 1 1 3 5 7 9 14 0.5542 0.840
0 0 0 1 1 1 3 5 7 9 14 0.5608 0.845
0 0 0 1 1 1 3 5 6 8 14 0.5675 0.850
0 0 0 1 1 1 3 5 6 8 13 0.5741 0.855
0 0 0 1 1 1 3 5 6 8 13 0.5809 0.860
0 0 0 1 1 1 3 5 6 8 13 0.5877 0.865
0 0 0 1 1 1 3 4 6 8 13 0.5945 0.870
0 0 0 1 1 1 3 4 6 8 13 0.6013 0.875
0 0 0 1 1 1 3 4 6 8 13 0.6082 0.880
0 0 0 1 1 1 3 4 6 8 13 0.6151 0.885
0 0 0 1 1 1 3 4 6 8 12 0.6221 0.890
0 0 0 1 1 1 3 4 6 8 12 0.6291 0.895
0 0 0 1 1 1 3 4 6 8 12 0.6362 0.900
0 0 0 1 1 1 2 4 6 7 12 0.6433 0.905
0 0 0 1 1 1 2 4 6 7 12 0.6504 0.910
0 0 0 1 1 1 2 4 6 7 12 0.6576 0.915
0 0 0 1 1 1 2 4 5 7 12 0.6648 0.920
0 0 0 1 1 1 2 4 5 7 11 0.6720 0.925
0 0 0 1 1 1 2 4 5 7 11 0.6793 0.930
0 0 0 1 1 1 2 4 5 7 11 0.6866 0.935
0 0 0 1 1 1 2 4 5 7 11 0.6940 0.940
0 0 0 1 1 1 2 4 5 7 11 0.7014 0.945
0 0 0 1 1 1 2 4 5 7 11 0.7088 0.950
0 0 0 1 1 1 2 4 5 7 11 0.7163 0.955
0 0 0 1 1 1 2 4 5 7 11 0.7238 0.960
0 0 0 1 1 1 2 4 5 6 10 0.7314 0.965
0 0 0 1 1 1 2 4 5 6 10 0.7390 0.970
0 0 0 1 1 1 1 3 5 6 10 0.7466 0.975
0 0 0 1 1 1 1 3 5 6 10 0.7543 0.980
0 0 0 1 1 1 1 3 5 6 10 0.7620 0.985
0 0 0 1 1 1 1 3 5 6 10 0.7698 0.990
0 0 0 1 1 1 1 3 5 6 10 0.7776 0.995
0 0 0 1 1 1 1 3 5 6 10 0.7854 1.000
0 0 0 1 1 1 1 3 4 6 10 0.7933 1.005
0 0 0 0 1 1 1 3 4 6 10 0.8012 1.010
0 0 0 0 1 1 1 3 4 6 9 0.8091 1.015
0 0 0 0 1 1 1 3 4 6 9 0.8171 1.020
0 0 0 0 1 1 1 3 4 6 9 0.8252 1.025
0 0 0 0 1 1 1 3 4 6 9 0.8332 1.030
0 0 0 0 1 1 1 3 4 6 9 0.8413 1.035
0 0 0 0 1 1 1 3 4 6 9 0.8495 1.040
0 0 0 0 1 1 1 3 4 5 9 0.8577 1.045
0 0 0 0 1 1 1 3 4 5 9 0.8659 1.050
0 0 0 0 1 1 1 3 4 5 9 0.8742 1.055
0 0 0 0 1 1 1 3 4 5 9 0.8825 1.060
0 0 0 0 1 1 1 3 4 5 8 0.8908 1.065
0 0 0 0 1 1 1 3 4 5 8 0.8992 1.070
0 0 0 0 1 1 1 3 4 5 8 0.9076 1.075
0 0 0 0 1 1 1 3 4 5 8 0.9161 1.080
0 0 0 0 1 1 1 3 4 5 8 0.9246 1.085
0 0 0 0 1 1 1 3 4 5 8 0.9331 1.090
0 0 0 0 1 1 1 3 4 5 8 0.9417 1.095
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