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Wide Flange Steel I Beam: W14 × 38
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W14 × 38
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in a single span, the maximum displacement w_max and the maximum normal stress stress_max occur at the center of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 385 in4) for the W14 × 38 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
   
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 5.91 × 10-6 9.39
40.0 6.22 × 10-6 9.89
50.0 7.77 × 10-6 12.4
60.0 9.33 × 10-6 14.8
70.0 1.09 × 10-5 17.3
80.0 1.24 × 10-5 19.8
90.0 1.40 × 10-5 22.2
100 1.55 × 10-5 24.7
200 3.11 × 10-5 49.4
300 4.66 × 10-5 74.2
400 6.22 × 10-5 98.9
500 7.77 × 10-5 124
600 9.33 × 10-5 148
700 1.09 × 10-4 173
800 1.24 × 10-4 198
900 1.40 × 10-4 222
1000 1.55 × 10-4 247
2000 3.11 × 10-4 494
3000 4.66 × 10-4 742
4000 6.22 × 10-4 989
5000 7.77 × 10-4 1240
6000 9.33 × 10-4 1480
7000 0.00109 1730
8000 0.00124 1980
9000 0.00140 2220
1.00 × 104 0.00155 2470
2.00 × 104 0.00311 4940
3.00 × 104 0.00466 7420
4.00 × 104 0.00622 9890
5.00 × 104 0.00777 1.24 × 104
6.00 × 104 0.00933 1.48 × 104
7.00 × 104 0.0109 1.73 × 104
8.00 × 104 0.0124 1.98 × 104
9.00 × 104 0.0140 2.22 × 104
1.00 × 105 0.0155 2.47 × 104
2.00 × 105 0.0311 4.94 × 104
3.00 × 105 0.0466 7.42 × 104
4.00 × 105 0.0622 9.89 × 104
5.00 × 105 0.0777 1.24 × 105
6.00 × 105 0.0933 1.48 × 105
7.00 × 105 0.109 1.73 × 105
8.00 × 105 0.124 1.98 × 105
9.00 × 105 0.140 2.22 × 105
1.00 × 106 0.155 2.47 × 105
1.20 × 106 0.187 2.97 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 4.56 × 10-5 26.1
40.0 4.80 × 10-5 27.5
50.0 6.00 × 10-5 34.3
60.0 7.20 × 10-5 41.2
70.0 8.39 × 10-5 48.1
80.0 9.59 × 10-5 54.9
90.0 1.08 × 10-4 61.8
100 1.20 × 10-4 68.7
200 2.40 × 10-4 137
300 3.60 × 10-4 206
400 4.80 × 10-4 275
500 6.00 × 10-4 343
600 7.20 × 10-4 412
700 8.39 × 10-4 481
800 9.59 × 10-4 549
900 0.00108 618
1000 0.00120 687
2000 0.00240 1370
3000 0.00360 2060
4000 0.00480 2750
5000 0.00600 3430
6000 0.00720 4120
7000 0.00839 4810
8000 0.00959 5490
9000 0.0108 6180
1.00 × 104 0.0120 6870
2.00 × 104 0.0240 1.37 × 104
3.00 × 104 0.0360 2.06 × 104
4.00 × 104 0.0480 2.75 × 104
5.00 × 104 0.0600 3.43 × 104
6.00 × 104 0.0720 4.12 × 104
7.00 × 104 0.0839 4.81 × 104
8.00 × 104 0.0959 5.49 × 104
9.00 × 104 0.108 6.18 × 104
1.00 × 105 0.120 6.87 × 104
2.00 × 105 0.240 1.37 × 105
3.00 × 105 0.360 2.06 × 105
4.00 × 105 0.480 2.75 × 105
4.33 × 105 0.519 2.97 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 7.29 × 10-4 104
40.0 7.68 × 10-4 110
50.0 9.59 × 10-4 137
60.0 0.00115 165
70.0 0.00134 192
80.0 0.00154 220
90.0 0.00173 247
100 0.00192 275
200 0.00384 549
300 0.00576 824
400 0.00768 1100
500 0.00959 1370
600 0.0115 1650
700 0.0134 1920
800 0.0154 2200
900 0.0173 2470
1000 0.0192 2750
2000 0.0384 5490
3000 0.0576 8240
4000 0.0768 1.10 × 104
5000 0.0959 1.37 × 104
6000 0.115 1.65 × 104
7000 0.134 1.92 × 104
8000 0.154 2.20 × 104
9000 0.173 2.47 × 104
1.00 × 104 0.192 2.75 × 104
2.00 × 104 0.384 5.49 × 104
3.00 × 104 0.576 8.24 × 104
4.00 × 104 0.768 1.10 × 105
5.00 × 104 0.959 1.37 × 105
6.00 × 104 1.15 1.65 × 105
7.00 × 104 1.34 1.92 × 105
8.00 × 104 1.54 2.20 × 105
9.00 × 104 1.73 2.47 × 105
1.00 × 105 1.92 2.75 × 105
1.08 × 105 2.07 2.97 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.00369 235
40.0 0.00389 247
50.0 0.00486 309
60.0 0.00583 371
70.0 0.00680 433
80.0 0.00777 494
90.0 0.00874 556
100 0.00971 618
200 0.0194 1240
300 0.0291 1850
400 0.0389 2470
500 0.0486 3090
600 0.0583 3710
700 0.0680 4330
800 0.0777 4940
900 0.0874 5560
1000 0.0971 6180
2000 0.194 1.24 × 104
3000 0.291 1.85 × 104
4000 0.389 2.47 × 104
5000 0.486 3.09 × 104
6000 0.583 3.71 × 104
7000 0.680 4.33 × 104
8000 0.777 4.94 × 104
9000 0.874 5.56 × 104
1.00 × 104 0.971 6.18 × 104
2.00 × 104 1.94 1.24 × 105
3.00 × 104 2.91 1.85 × 105
4.00 × 104 3.89 2.47 × 105
4.81 × 104 4.67 2.97 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.0117 418
40.0 0.0123 439
50.0 0.0154 549
60.0 0.0184 659
70.0 0.0215 769
80.0 0.0246 879
90.0 0.0276 989
100 0.0307 1100
200 0.0614 2200
300 0.0921 3300
400 0.123 4390
500 0.154 5490
600 0.184 6590
700 0.215 7690
800 0.246 8790
900 0.276 9890
1000 0.307 1.10 × 104
2000 0.614 2.20 × 104
3000 0.921 3.30 × 104
4000 1.23 4.39 × 104
5000 1.54 5.49 × 104
6000 1.84 6.59 × 104
7000 2.15 7.69 × 104
8000 2.46 8.79 × 104
9000 2.76 9.89 × 104
1.00 × 104 3.07 1.10 × 105
2.00 × 104 6.14 2.20 × 105
2.70 × 104 8.30 2.97 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.0285 652
40.0 0.0300 687
50.0 0.0375 858
60.0 0.0450 1030
70.0 0.0525 1200
80.0 0.0600 1370
90.0 0.0675 1550
100 0.0750 1720
200 0.150 3430
300 0.225 5150
400 0.300 6870
500 0.375 8580
600 0.450 1.03 × 104
700 0.525 1.20 × 104
800 0.600 1.37 × 104
900 0.675 1.55 × 104
1000 0.750 1.72 × 104
2000 1.50 3.43 × 104
3000 2.25 5.15 × 104
4000 3.00 6.87 × 104
5000 3.75 8.58 × 104
6000 4.50 1.03 × 105
7000 5.25 1.20 × 105
8000 6.00 1.37 × 105
9000 6.75 1.55 × 105
1.00 × 104 7.50 1.72 × 105
1.73 × 104 13.0 2.97 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.0591 939
40.0 0.0622 989
50.0 0.0777 1240
60.0 0.0933 1480
70.0 0.109 1730
80.0 0.124 1980
90.0 0.140 2220
100 0.155 2470
200 0.311 4940
300 0.466 7420
400 0.622 9890
500 0.777 1.24 × 104
600 0.933 1.48 × 104
700 1.09 1.73 × 104
800 1.24 1.98 × 104
900 1.40 2.22 × 104
1000 1.55 2.47 × 104
2000 3.11 4.94 × 104
3000 4.66 7.42 × 104
4000 6.22 9.89 × 104
5000 7.77 1.24 × 105
6000 9.33 1.48 × 105
7000 10.9 1.73 × 105
8000 12.4 1.98 × 105
9000 14.0 2.22 × 105
9070 14.1 2.24 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.187 1670
40.0 0.196 1760
50.0 0.246 2200
60.0 0.295 2640
70.0 0.344 3080
80.0 0.393 3520
90.0 0.442 3960
100 0.491 4390
200 0.982 8790
300 1.47 1.32 × 104
400 1.96 1.76 × 104
500 2.46 2.20 × 104
600 2.95 2.64 × 104
700 3.44 3.08 × 104
800 3.93 3.52 × 104
900 4.42 3.96 × 104
1000 4.91 4.39 × 104
2000 9.82 8.79 × 104
2870 14.1 1.26 × 105
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.456 2610
40.0 0.480 2750
50.0 0.600 3430
60.0 0.720 4120
70.0 0.839 4810
80.0 0.959 5490
90.0 1.08 6180
100 1.20 6870
200 2.40 1.37 × 104
300 3.60 2.06 × 104
400 4.80 2.75 × 104
500 6.00 3.43 × 104
600 7.20 4.12 × 104
700 8.39 4.81 × 104
800 9.59 5.49 × 104
900 10.8 6.18 × 104
1000 12.0 6.87 × 104
1180 14.1 8.07 × 104
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 0.945 3760
40.0 0.995 3960
50.0 1.24 4940
60.0 1.49 5930
70.0 1.74 6920
80.0 1.99 7910
90.0 2.24 8900
100 2.49 9890
200 4.97 1.98 × 104
300 7.46 2.97 × 104
400 9.95 3.96 × 104
500 12.4 4.94 × 104
567 14.1 5.61 × 104
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 1.75 5110
40.0 1.84 5380
50.0 2.30 6730
60.0 2.76 8080
70.0 3.22 9420
80.0 3.69 1.08 × 104
90.0 4.15 1.21 × 104
100 4.61 1.35 × 104
200 9.21 2.69 × 104
300 13.8 4.04 × 104
306 14.1 4.12 × 104
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 2.99 6680
40.0 3.14 7030
50.0 3.93 8790
60.0 4.72 1.05 × 104
70.0 5.50 1.23 × 104
80.0 6.29 1.41 × 104
90.0 7.07 1.58 × 104
100 7.86 1.76 × 104
179 14.1 3.15 × 104
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 4.78 8450
40.0 5.04 8900
50.0 6.29 1.11 × 104
60.0 7.55 1.33 × 104
70.0 8.81 1.56 × 104
80.0 10.1 1.78 × 104
90.0 11.3 2.00 × 104
100 12.6 2.22 × 104
112 14.1 2.49 × 104
Steel I Beam: W14 × 38 (Wide Flange 14 inch tall × 38 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
38.0 7.29 1.04 × 104
40.0 7.68 1.10 × 104
50.0 9.59 1.37 × 104
60.0 11.5 1.65 × 104
70.0 13.4 1.92 × 104
73.5 14.1 2.02 × 104
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