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Wide Flange Steel I Beam: W14 × 68
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W14 × 68
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 = 723 in4) for the W14 × 68 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 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 5.63 × 10-6 8.91
70.0 5.79 × 10-6 9.18
80.0 6.62 × 10-6 10.5
90.0 7.45 × 10-6 11.8
100 8.28 × 10-6 13.1
200 1.66 × 10-5 26.2
300 2.48 × 10-5 39.3
400 3.31 × 10-5 52.4
500 4.14 × 10-5 65.5
600 4.97 × 10-5 78.6
700 5.79 × 10-5 91.8
800 6.62 × 10-5 105
900 7.45 × 10-5 118
1000 8.28 × 10-5 131
2000 1.66 × 10-4 262
3000 2.48 × 10-4 393
4000 3.31 × 10-4 524
5000 4.14 × 10-4 655
6000 4.97 × 10-4 786
7000 5.79 × 10-4 918
8000 6.62 × 10-4 1050
9000 7.45 × 10-4 1180
1.00 × 104 8.28 × 10-4 1310
2.00 × 104 0.00166 2620
3.00 × 104 0.00248 3930
4.00 × 104 0.00331 5240
5.00 × 104 0.00414 6550
6.00 × 104 0.00497 7860
7.00 × 104 0.00579 9180
8.00 × 104 0.00662 1.05 × 104
9.00 × 104 0.00745 1.18 × 104
1.00 × 105 0.00828 1.31 × 104
2.00 × 105 0.0166 2.62 × 104
3.00 × 105 0.0248 3.93 × 104
4.00 × 105 0.0331 5.24 × 104
5.00 × 105 0.0414 6.55 × 104
6.00 × 105 0.0497 7.86 × 104
7.00 × 105 0.0579 9.18 × 104
8.00 × 105 0.0662 1.05 × 105
9.00 × 105 0.0745 1.18 × 105
1.00 × 106 0.0828 1.31 × 105
2.00 × 106 0.166 2.62 × 105
2.27 × 106 0.188 2.97 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 4.34 × 10-5 24.8
70.0 4.47 × 10-5 25.5
80.0 5.11 × 10-5 29.1
90.0 5.75 × 10-5 32.8
100 6.39 × 10-5 36.4
200 1.28 × 10-4 72.8
300 1.92 × 10-4 109
400 2.55 × 10-4 146
500 3.19 × 10-4 182
600 3.83 × 10-4 218
700 4.47 × 10-4 255
800 5.11 × 10-4 291
900 5.75 × 10-4 328
1000 6.39 × 10-4 364
2000 0.00128 728
3000 0.00192 1090
4000 0.00255 1460
5000 0.00319 1820
6000 0.00383 2180
7000 0.00447 2550
8000 0.00511 2910
9000 0.00575 3280
1.00 × 104 0.00639 3640
2.00 × 104 0.0128 7280
3.00 × 104 0.0192 1.09 × 104
4.00 × 104 0.0255 1.46 × 104
5.00 × 104 0.0319 1.82 × 104
6.00 × 104 0.0383 2.18 × 104
7.00 × 104 0.0447 2.55 × 104
8.00 × 104 0.0511 2.91 × 104
9.00 × 104 0.0575 3.28 × 104
1.00 × 105 0.0639 3.64 × 104
2.00 × 105 0.128 7.28 × 104
3.00 × 105 0.192 1.09 × 105
4.00 × 105 0.255 1.46 × 105
5.00 × 105 0.319 1.82 × 105
6.00 × 105 0.383 2.18 × 105
7.00 × 105 0.447 2.55 × 105
8.00 × 105 0.511 2.91 × 105
8.16 × 105 0.521 2.97 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 6.95 × 10-4 99.0
70.0 7.15 × 10-4 102
80.0 8.17 × 10-4 117
90.0 9.20 × 10-4 131
100 0.00102 146
200 0.00204 291
300 0.00307 437
400 0.00409 583
500 0.00511 728
600 0.00613 874
700 0.00715 1020
800 0.00817 1170
900 0.00920 1310
1000 0.0102 1460
2000 0.0204 2910
3000 0.0307 4370
4000 0.0409 5830
5000 0.0511 7280
6000 0.0613 8740
7000 0.0715 1.02 × 104
8000 0.0817 1.17 × 104
9000 0.0920 1.31 × 104
1.00 × 104 0.102 1.46 × 104
2.00 × 104 0.204 2.91 × 104
3.00 × 104 0.307 4.37 × 104
4.00 × 104 0.409 5.83 × 104
5.00 × 104 0.511 7.28 × 104
6.00 × 104 0.613 8.74 × 104
7.00 × 104 0.715 1.02 × 105
8.00 × 104 0.817 1.17 × 105
9.00 × 104 0.920 1.31 × 105
1.00 × 105 1.02 1.46 × 105
2.00 × 105 2.04 2.91 × 105
2.04 × 105 2.08 2.97 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.00352 223
70.0 0.00362 229
80.0 0.00414 262
90.0 0.00466 295
100 0.00517 328
200 0.0103 655
300 0.0155 983
400 0.0207 1310
500 0.0259 1640
600 0.0310 1970
700 0.0362 2290
800 0.0414 2620
900 0.0466 2950
1000 0.0517 3280
2000 0.103 6550
3000 0.155 9830
4000 0.207 1.31 × 104
5000 0.259 1.64 × 104
6000 0.310 1.97 × 104
7000 0.362 2.29 × 104
8000 0.414 2.62 × 104
9000 0.466 2.95 × 104
1.00 × 104 0.517 3.28 × 104
2.00 × 104 1.03 6.55 × 104
3.00 × 104 1.55 9.83 × 104
4.00 × 104 2.07 1.31 × 105
5.00 × 104 2.59 1.64 × 105
6.00 × 104 3.10 1.97 × 105
7.00 × 104 3.62 2.29 × 105
8.00 × 104 4.14 2.62 × 105
9.00 × 104 4.66 2.95 × 105
9.06 × 104 4.69 2.97 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.0111 396
70.0 0.0114 408
80.0 0.0131 466
90.0 0.0147 524
100 0.0163 583
200 0.0327 1170
300 0.0490 1750
400 0.0654 2330
500 0.0817 2910
600 0.0981 3500
700 0.114 4080
800 0.131 4660
900 0.147 5240
1000 0.163 5830
2000 0.327 1.17 × 104
3000 0.490 1.75 × 104
4000 0.654 2.33 × 104
5000 0.817 2.91 × 104
6000 0.981 3.50 × 104
7000 1.14 4.08 × 104
8000 1.31 4.66 × 104
9000 1.47 5.24 × 104
1.00 × 104 1.63 5.83 × 104
2.00 × 104 3.27 1.17 × 105
3.00 × 104 4.90 1.75 × 105
4.00 × 104 6.54 2.33 × 105
5.00 × 104 8.17 2.91 × 105
5.10 × 104 8.34 2.97 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.0271 619
70.0 0.0279 637
80.0 0.0319 728
90.0 0.0359 819
100 0.0399 910
200 0.0798 1820
300 0.120 2730
400 0.160 3640
500 0.200 4550
600 0.239 5460
700 0.279 6370
800 0.319 7280
900 0.359 8190
1000 0.399 9100
2000 0.798 1.82 × 104
3000 1.20 2.73 × 104
4000 1.60 3.64 × 104
5000 2.00 4.55 × 104
6000 2.39 5.46 × 104
7000 2.79 6.37 × 104
8000 3.19 7.28 × 104
9000 3.59 8.19 × 104
1.00 × 104 3.99 9.10 × 104
2.00 × 104 7.98 1.82 × 105
3.00 × 104 12.0 2.73 × 105
3.26 × 104 13.0 2.97 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.0563 891
70.0 0.0579 918
80.0 0.0662 1050
90.0 0.0745 1180
100 0.0828 1310
200 0.166 2620
300 0.248 3930
400 0.331 5240
500 0.414 6550
600 0.497 7860
700 0.579 9180
800 0.662 1.05 × 104
900 0.745 1.18 × 104
1000 0.828 1.31 × 104
2000 1.66 2.62 × 104
3000 2.48 3.93 × 104
4000 3.31 5.24 × 104
5000 4.14 6.55 × 104
6000 4.97 7.86 × 104
7000 5.79 9.18 × 104
8000 6.62 1.05 × 105
9000 7.45 1.18 × 105
1.00 × 104 8.28 1.31 × 105
1.70 × 104 14.0 2.22 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.178 1580
70.0 0.183 1630
80.0 0.209 1860
90.0 0.235 2100
100 0.262 2330
200 0.523 4660
300 0.785 6990
400 1.05 9320
500 1.31 1.17 × 104
600 1.57 1.40 × 104
700 1.83 1.63 × 104
800 2.09 1.86 × 104
900 2.35 2.10 × 104
1000 2.62 2.33 × 104
2000 5.23 4.66 × 104
3000 7.85 6.99 × 104
4000 10.5 9.32 × 104
5000 13.1 1.17 × 105
5370 14.0 1.25 × 105
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.434 2480
70.0 0.447 2550
80.0 0.511 2910
90.0 0.575 3280
100 0.639 3640
200 1.28 7280
300 1.92 1.09 × 104
400 2.55 1.46 × 104
500 3.19 1.82 × 104
600 3.83 2.18 × 104
700 4.47 2.55 × 104
800 5.11 2.91 × 104
900 5.75 3.28 × 104
1000 6.39 3.64 × 104
2000 12.8 7.28 × 104
2200 14.0 8.01 × 104
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 0.900 3570
70.0 0.927 3670
80.0 1.06 4190
90.0 1.19 4720
100 1.32 5240
200 2.65 1.05 × 104
300 3.97 1.57 × 104
400 5.30 2.10 × 104
500 6.62 2.62 × 104
600 7.95 3.15 × 104
700 9.27 3.67 × 104
800 10.6 4.19 × 104
900 11.9 4.72 × 104
1000 13.2 5.24 × 104
1060 14.0 5.56 × 104
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 1.67 4850
70.0 1.72 5000
80.0 1.96 5710
90.0 2.21 6420
100 2.45 7140
200 4.91 1.43 × 104
300 7.36 2.14 × 104
400 9.81 2.85 × 104
500 12.3 3.57 × 104
572 14.0 4.08 × 104
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 2.85 6340
70.0 2.93 6520
80.0 3.35 7460
90.0 3.77 8390
100 4.19 9320
200 8.37 1.86 × 104
300 12.6 2.80 × 104
335 14.0 3.13 × 104
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 4.56 8020
70.0 4.69 8260
80.0 5.36 9440
90.0 6.03 1.06 × 104
100 6.70 1.18 × 104
200 13.4 2.36 × 104
209 14.0 2.47 × 104
Steel I Beam: W14 × 68 (Wide Flange 14 inch tall × 68 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
68.0 6.95 9900
70.0 7.15 1.02 × 104
80.0 8.17 1.17 × 104
90.0 9.20 1.31 × 104
100 10.2 1.46 × 104
137 14.0 2.00 × 104
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