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Wide Flange Steel I Beam: W14 × 26
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four Equal Spans » Wide Flange Steel I Beam » W14 × 26
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in four equal spans, we compute the displacement at the middle of the first and fourth spans, and the maximum normal stress stress_max occuring at the second and fourth supports of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 245 in4) for the W14 × 26 Wide Flange Steel I Beam and the typical Young's modulus (E = 3.046 × 107 psi) of steels. Note that the typical yielding stress Yield of steels can range from 1.015 × 104 to 2.970 × 105 psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.

Note: The weight of the beam itself is not included in the calculation.
L = 3 ft
L = 5 ft
L = 10 ft
L = 15 ft
L = 20 ft
L = 25 ft
L = 30 ft
L = 40 ft
L = 50 ft
L = 60 ft
L = 70 ft
L = 80 ft
L = 90 ft
L = 100 ft
L = 125 ft
   
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 3.07 × 10-6 8.54
30.0 3.55 × 10-6 9.85
40.0 4.73 × 10-6 13.1
50.0 5.91 × 10-6 16.4
60.0 7.09 × 10-6 19.7
70.0 8.27 × 10-6 23.0
80.0 9.45 × 10-6 26.3
90.0 1.06 × 10-5 29.6
100 1.18 × 10-5 32.8
200 2.36 × 10-5 65.7
300 3.55 × 10-5 98.5
400 4.73 × 10-5 131
500 5.91 × 10-5 164
600 7.09 × 10-5 197
700 8.27 × 10-5 230
800 9.45 × 10-5 263
900 1.06 × 10-4 296
1000 1.18 × 10-4 328
2000 2.36 × 10-4 657
3000 3.55 × 10-4 985
4000 4.73 × 10-4 1310
5000 5.91 × 10-4 1640
6000 7.09 × 10-4 1970
7000 8.27 × 10-4 2300
8000 9.45 × 10-4 2630
9000 0.00106 2960
1.00 × 104 0.00118 3280
2.00 × 104 0.00236 6570
3.00 × 104 0.00355 9850
4.00 × 104 0.00473 1.31 × 104
5.00 × 104 0.00591 1.64 × 104
6.00 × 104 0.00709 1.97 × 104
7.00 × 104 0.00827 2.30 × 104
8.00 × 104 0.00945 2.63 × 104
9.00 × 104 0.0106 2.96 × 104
1.00 × 105 0.0118 3.28 × 104
2.00 × 105 0.0236 6.57 × 104
3.00 × 105 0.0355 9.85 × 104
4.00 × 105 0.0473 1.31 × 105
5.00 × 105 0.0591 1.64 × 105
6.00 × 105 0.0709 1.97 × 105
7.00 × 105 0.0827 2.30 × 105
8.00 × 105 0.0945 2.63 × 105
9.00 × 105 0.106 2.96 × 105
9.05 × 105 0.107 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 2.37 × 10-5 23.7
30.0 2.74 × 10-5 27.4
40.0 3.65 × 10-5 36.5
50.0 4.56 × 10-5 45.6
60.0 5.47 × 10-5 54.7
70.0 6.38 × 10-5 63.8
80.0 7.29 × 10-5 73.0
90.0 8.21 × 10-5 82.1
100 9.12 × 10-5 91.2
200 1.82 × 10-4 182
300 2.74 × 10-4 274
400 3.65 × 10-4 365
500 4.56 × 10-4 456
600 5.47 × 10-4 547
700 6.38 × 10-4 638
800 7.29 × 10-4 730
900 8.21 × 10-4 821
1000 9.12 × 10-4 912
2000 0.00182 1820
3000 0.00274 2740
4000 0.00365 3650
5000 0.00456 4560
6000 0.00547 5470
7000 0.00638 6380
8000 0.00729 7300
9000 0.00821 8210
1.00 × 104 0.00912 9120
2.00 × 104 0.0182 1.82 × 104
3.00 × 104 0.0274 2.74 × 104
4.00 × 104 0.0365 3.65 × 104
5.00 × 104 0.0456 4.56 × 104
6.00 × 104 0.0547 5.47 × 104
7.00 × 104 0.0638 6.38 × 104
8.00 × 104 0.0729 7.30 × 104
9.00 × 104 0.0821 8.21 × 104
1.00 × 105 0.0912 9.12 × 104
2.00 × 105 0.182 1.82 × 105
3.00 × 105 0.274 2.74 × 105
3.26 × 105 0.297 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 3.79 × 10-4 94.9
30.0 4.38 × 10-4 109
40.0 5.84 × 10-4 146
50.0 7.29 × 10-4 182
60.0 8.75 × 10-4 219
70.0 0.00102 255
80.0 0.00117 292
90.0 0.00131 328
100 0.00146 365
200 0.00292 730
300 0.00438 1090
400 0.00584 1460
500 0.00729 1820
600 0.00875 2190
700 0.0102 2550
800 0.0117 2920
900 0.0131 3280
1000 0.0146 3650
2000 0.0292 7300
3000 0.0438 1.09 × 104
4000 0.0584 1.46 × 104
5000 0.0729 1.82 × 104
6000 0.0875 2.19 × 104
7000 0.102 2.55 × 104
8000 0.117 2.92 × 104
9000 0.131 3.28 × 104
1.00 × 104 0.146 3.65 × 104
2.00 × 104 0.292 7.30 × 104
3.00 × 104 0.438 1.09 × 105
4.00 × 104 0.584 1.46 × 105
5.00 × 104 0.729 1.82 × 105
6.00 × 104 0.875 2.19 × 105
7.00 × 104 1.02 2.55 × 105
8.00 × 104 1.17 2.92 × 105
8.14 × 104 1.19 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.00192 213
30.0 0.00222 246
40.0 0.00295 328
50.0 0.00369 410
60.0 0.00443 493
70.0 0.00517 575
80.0 0.00591 657
90.0 0.00665 739
100 0.00739 821
200 0.0148 1640
300 0.0222 2460
400 0.0295 3280
500 0.0369 4100
600 0.0443 4930
700 0.0517 5750
800 0.0591 6570
900 0.0665 7390
1000 0.0739 8210
2000 0.148 1.64 × 104
3000 0.222 2.46 × 104
4000 0.295 3.28 × 104
5000 0.369 4.10 × 104
6000 0.443 4.93 × 104
7000 0.517 5.75 × 104
8000 0.591 6.57 × 104
9000 0.665 7.39 × 104
1.00 × 104 0.739 8.21 × 104
2.00 × 104 1.48 1.64 × 105
3.00 × 104 2.22 2.46 × 105
3.62 × 104 2.67 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.00607 379
30.0 0.00700 438
40.0 0.00934 584
50.0 0.0117 730
60.0 0.0140 876
70.0 0.0163 1020
80.0 0.0187 1170
90.0 0.0210 1310
100 0.0233 1460
200 0.0467 2920
300 0.0700 4380
400 0.0934 5840
500 0.117 7300
600 0.140 8760
700 0.163 1.02 × 104
800 0.187 1.17 × 104
900 0.210 1.31 × 104
1000 0.233 1.46 × 104
2000 0.467 2.92 × 104
3000 0.700 4.38 × 104
4000 0.934 5.84 × 104
5000 1.17 7.30 × 104
6000 1.40 8.76 × 104
7000 1.63 1.02 × 105
8000 1.87 1.17 × 105
9000 2.10 1.31 × 105
1.00 × 104 2.33 1.46 × 105
2.00 × 104 4.67 2.92 × 105
2.04 × 104 4.75 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.0148 593
30.0 0.0171 684
40.0 0.0228 912
50.0 0.0285 1140
60.0 0.0342 1370
70.0 0.0399 1600
80.0 0.0456 1820
90.0 0.0513 2050
100 0.0570 2280
200 0.114 4560
300 0.171 6840
400 0.228 9120
500 0.285 1.14 × 104
600 0.342 1.37 × 104
700 0.399 1.60 × 104
800 0.456 1.82 × 104
900 0.513 2.05 × 104
1000 0.570 2.28 × 104
2000 1.14 4.56 × 104
3000 1.71 6.84 × 104
4000 2.28 9.12 × 104
5000 2.85 1.14 × 105
6000 3.42 1.37 × 105
7000 3.99 1.60 × 105
8000 4.56 1.82 × 105
9000 5.13 2.05 × 105
1.00 × 104 5.70 2.28 × 105
1.30 × 104 7.42 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.0307 854
30.0 0.0355 985
40.0 0.0473 1310
50.0 0.0591 1640
60.0 0.0709 1970
70.0 0.0827 2300
80.0 0.0945 2630
90.0 0.106 2960
100 0.118 3280
200 0.236 6570
300 0.355 9850
400 0.473 1.31 × 104
500 0.591 1.64 × 104
600 0.709 1.97 × 104
700 0.827 2.30 × 104
800 0.945 2.63 × 104
900 1.06 2.96 × 104
1000 1.18 3.28 × 104
2000 2.36 6.57 × 104
3000 3.55 9.85 × 104
4000 4.73 1.31 × 105
5000 5.91 1.64 × 105
6000 7.09 1.97 × 105
7000 8.27 2.30 × 105
8000 9.45 2.63 × 105
9000 10.6 2.96 × 105
9050 10.7 2.97 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.0971 1520
30.0 0.112 1750
40.0 0.149 2330
50.0 0.187 2920
60.0 0.224 3500
70.0 0.261 4090
80.0 0.299 4670
90.0 0.336 5250
100 0.373 5840
200 0.747 1.17 × 104
300 1.12 1.75 × 104
400 1.49 2.33 × 104
500 1.87 2.92 × 104
600 2.24 3.50 × 104
700 2.61 4.09 × 104
800 2.99 4.67 × 104
900 3.36 5.25 × 104
1000 3.73 5.84 × 104
2000 7.47 1.17 × 105
3000 11.2 1.75 × 105
3720 13.9 2.17 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.237 2370
30.0 0.274 2740
40.0 0.365 3650
50.0 0.456 4560
60.0 0.547 5470
70.0 0.638 6380
80.0 0.729 7300
90.0 0.821 8210
100 0.912 9120
200 1.82 1.82 × 104
300 2.74 2.74 × 104
400 3.65 3.65 × 104
500 4.56 4.56 × 104
600 5.47 5.47 × 104
700 6.38 6.38 × 104
800 7.29 7.30 × 104
900 8.21 8.21 × 104
1000 9.12 9.12 × 104
1530 13.9 1.39 × 105
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.492 3410
30.0 0.567 3940
40.0 0.756 5250
50.0 0.945 6570
60.0 1.13 7880
70.0 1.32 9190
80.0 1.51 1.05 × 104
90.0 1.70 1.18 × 104
100 1.89 1.31 × 104
200 3.78 2.63 × 104
300 5.67 3.94 × 104
400 7.56 5.25 × 104
500 9.45 6.57 × 104
600 11.3 7.88 × 104
700 13.2 9.19 × 104
736 13.9 9.66 × 104
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.911 4650
30.0 1.05 5360
40.0 1.40 7150
50.0 1.75 8940
60.0 2.10 1.07 × 104
70.0 2.45 1.25 × 104
80.0 2.80 1.43 × 104
90.0 3.15 1.61 × 104
100 3.50 1.79 × 104
200 7.01 3.58 × 104
300 10.5 5.36 × 104
397 13.9 7.10 × 104
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 1.55 6070
30.0 1.79 7000
40.0 2.39 9340
50.0 2.99 1.17 × 104
60.0 3.59 1.40 × 104
70.0 4.18 1.63 × 104
80.0 4.78 1.87 × 104
90.0 5.38 2.10 × 104
100 5.98 2.33 × 104
200 12.0 4.67 × 104
233 13.9 5.44 × 104
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 2.49 7680
30.0 2.87 8870
40.0 3.83 1.18 × 104
50.0 4.79 1.48 × 104
60.0 5.74 1.77 × 104
70.0 6.70 2.07 × 104
80.0 7.66 2.36 × 104
90.0 8.61 2.66 × 104
100 9.57 2.96 × 104
145 13.9 4.29 × 104
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 3.79 9490
30.0 4.38 1.09 × 104
40.0 5.84 1.46 × 104
50.0 7.29 1.82 × 104
60.0 8.75 2.19 × 104
70.0 10.2 2.55 × 104
80.0 11.7 2.92 × 104
90.0 13.1 3.28 × 104
95.3 13.9 3.48 × 104
Steel I Beam: W14 × 26 (Wide Flange 14 inch tall × 26 lbf/ft)
L = 125 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 9.26 1.48 × 104
30.0 10.7 1.71 × 104
39.1 13.9 2.23 × 104
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