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Wide Flange Steel I Beam: W14 × 48
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W14 × 48
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 = 485 in4) for the W14 × 48 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 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 5.92 × 10-6 9.21
50.0 6.17 × 10-6 9.60
60.0 7.40 × 10-6 11.5
70.0 8.64 × 10-6 13.4
80.0 9.87 × 10-6 15.4
90.0 1.11 × 10-5 17.3
100 1.23 × 10-5 19.2
200 2.47 × 10-5 38.4
300 3.70 × 10-5 57.6
400 4.93 × 10-5 76.8
500 6.17 × 10-5 96.0
600 7.40 × 10-5 115
700 8.64 × 10-5 134
800 9.87 × 10-5 154
900 1.11 × 10-4 173
1000 1.23 × 10-4 192
2000 2.47 × 10-4 384
3000 3.70 × 10-4 576
4000 4.93 × 10-4 768
5000 6.17 × 10-4 960
6000 7.40 × 10-4 1150
7000 8.64 × 10-4 1340
8000 9.87 × 10-4 1540
9000 0.00111 1730
1.00 × 104 0.00123 1920
2.00 × 104 0.00247 3840
3.00 × 104 0.00370 5760
4.00 × 104 0.00493 7680
5.00 × 104 0.00617 9600
6.00 × 104 0.00740 1.15 × 104
7.00 × 104 0.00864 1.34 × 104
8.00 × 104 0.00987 1.54 × 104
9.00 × 104 0.0111 1.73 × 104
1.00 × 105 0.0123 1.92 × 104
2.00 × 105 0.0247 3.84 × 104
3.00 × 105 0.0370 5.76 × 104
4.00 × 105 0.0493 7.68 × 104
5.00 × 105 0.0617 9.60 × 104
6.00 × 105 0.0740 1.15 × 105
7.00 × 105 0.0864 1.34 × 105
8.00 × 105 0.0987 1.54 × 105
9.00 × 105 0.111 1.73 × 105
1.00 × 106 0.123 1.92 × 105
1.55 × 106 0.191 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 4.57 × 10-5 25.6
50.0 4.76 × 10-5 26.7
60.0 5.71 × 10-5 32.0
70.0 6.66 × 10-5 37.3
80.0 7.62 × 10-5 42.6
90.0 8.57 × 10-5 48.0
100 9.52 × 10-5 53.3
200 1.90 × 10-4 107
300 2.86 × 10-4 160
400 3.81 × 10-4 213
500 4.76 × 10-4 267
600 5.71 × 10-4 320
700 6.66 × 10-4 373
800 7.62 × 10-4 426
900 8.57 × 10-4 480
1000 9.52 × 10-4 533
2000 0.00190 1070
3000 0.00286 1600
4000 0.00381 2130
5000 0.00476 2670
6000 0.00571 3200
7000 0.00666 3730
8000 0.00762 4260
9000 0.00857 4800
1.00 × 104 0.00952 5330
2.00 × 104 0.0190 1.07 × 104
3.00 × 104 0.0286 1.60 × 104
4.00 × 104 0.0381 2.13 × 104
5.00 × 104 0.0476 2.67 × 104
6.00 × 104 0.0571 3.20 × 104
7.00 × 104 0.0666 3.73 × 104
8.00 × 104 0.0762 4.26 × 104
9.00 × 104 0.0857 4.80 × 104
1.00 × 105 0.0952 5.33 × 104
2.00 × 105 0.190 1.07 × 105
3.00 × 105 0.286 1.60 × 105
4.00 × 105 0.381 2.13 × 105
5.00 × 105 0.476 2.67 × 105
5.57 × 105 0.530 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 7.31 × 10-4 102
50.0 7.62 × 10-4 107
60.0 9.14 × 10-4 128
70.0 0.00107 149
80.0 0.00122 171
90.0 0.00137 192
100 0.00152 213
200 0.00305 426
300 0.00457 640
400 0.00609 853
500 0.00762 1070
600 0.00914 1280
700 0.0107 1490
800 0.0122 1710
900 0.0137 1920
1000 0.0152 2130
2000 0.0305 4260
3000 0.0457 6400
4000 0.0609 8530
5000 0.0762 1.07 × 104
6000 0.0914 1.28 × 104
7000 0.107 1.49 × 104
8000 0.122 1.71 × 104
9000 0.137 1.92 × 104
1.00 × 104 0.152 2.13 × 104
2.00 × 104 0.305 4.26 × 104
3.00 × 104 0.457 6.40 × 104
4.00 × 104 0.609 8.53 × 104
5.00 × 104 0.762 1.07 × 105
6.00 × 104 0.914 1.28 × 105
7.00 × 104 1.07 1.49 × 105
8.00 × 104 1.22 1.71 × 105
9.00 × 104 1.37 1.92 × 105
1.00 × 105 1.52 2.13 × 105
1.39 × 105 2.12 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.00370 230
50.0 0.00386 240
60.0 0.00463 288
70.0 0.00540 336
80.0 0.00617 384
90.0 0.00694 432
100 0.00771 480
200 0.0154 960
300 0.0231 1440
400 0.0308 1920
500 0.0386 2400
600 0.0463 2880
700 0.0540 3360
800 0.0617 3840
900 0.0694 4320
1000 0.0771 4800
2000 0.154 9600
3000 0.231 1.44 × 104
4000 0.308 1.92 × 104
5000 0.386 2.40 × 104
6000 0.463 2.88 × 104
7000 0.540 3.36 × 104
8000 0.617 3.84 × 104
9000 0.694 4.32 × 104
1.00 × 104 0.771 4.80 × 104
2.00 × 104 1.54 9.60 × 104
3.00 × 104 2.31 1.44 × 105
4.00 × 104 3.08 1.92 × 105
5.00 × 104 3.86 2.40 × 105
6.00 × 104 4.63 2.88 × 105
6.19 × 104 4.77 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.0117 409
50.0 0.0122 426
60.0 0.0146 512
70.0 0.0171 597
80.0 0.0195 682
90.0 0.0219 768
100 0.0244 853
200 0.0487 1710
300 0.0731 2560
400 0.0975 3410
500 0.122 4260
600 0.146 5120
700 0.171 5970
800 0.195 6820
900 0.219 7680
1000 0.244 8530
2000 0.487 1.71 × 104
3000 0.731 2.56 × 104
4000 0.975 3.41 × 104
5000 1.22 4.26 × 104
6000 1.46 5.12 × 104
7000 1.71 5.97 × 104
8000 1.95 6.82 × 104
9000 2.19 7.68 × 104
1.00 × 104 2.44 8.53 × 104
2.00 × 104 4.87 1.71 × 105
3.00 × 104 7.31 2.56 × 105
3.48 × 104 8.49 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.0286 640
50.0 0.0297 666
60.0 0.0357 800
70.0 0.0416 933
80.0 0.0476 1070
90.0 0.0535 1200
100 0.0595 1330
200 0.119 2670
300 0.178 4000
400 0.238 5330
500 0.297 6660
600 0.357 8000
700 0.416 9330
800 0.476 1.07 × 104
900 0.535 1.20 × 104
1000 0.595 1.33 × 104
2000 1.19 2.67 × 104
3000 1.78 4.00 × 104
4000 2.38 5.33 × 104
5000 2.97 6.66 × 104
6000 3.57 8.00 × 104
7000 4.16 9.33 × 104
8000 4.76 1.07 × 105
9000 5.35 1.20 × 105
1.00 × 104 5.95 1.33 × 105
2.00 × 104 11.9 2.67 × 105
2.23 × 104 13.3 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.0592 921
50.0 0.0617 960
60.0 0.0740 1150
70.0 0.0864 1340
80.0 0.0987 1540
90.0 0.111 1730
100 0.123 1920
200 0.247 3840
300 0.370 5760
400 0.493 7680
500 0.617 9600
600 0.740 1.15 × 104
700 0.864 1.34 × 104
800 0.987 1.54 × 104
900 1.11 1.73 × 104
1000 1.23 1.92 × 104
2000 2.47 3.84 × 104
3000 3.70 5.76 × 104
4000 4.93 7.68 × 104
5000 6.17 9.60 × 104
6000 7.40 1.15 × 105
7000 8.64 1.34 × 105
8000 9.87 1.54 × 105
9000 11.1 1.73 × 105
1.00 × 104 12.3 1.92 × 105
1.55 × 104 19.1 2.97 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.187 1640
50.0 0.195 1710
60.0 0.234 2050
70.0 0.273 2390
80.0 0.312 2730
90.0 0.351 3070
100 0.390 3410
200 0.780 6820
300 1.17 1.02 × 104
400 1.56 1.36 × 104
500 1.95 1.71 × 104
600 2.34 2.05 × 104
700 2.73 2.39 × 104
800 3.12 2.73 × 104
900 3.51 3.07 × 104
1000 3.90 3.41 × 104
2000 7.80 6.82 × 104
3000 11.7 1.02 × 105
3540 13.8 1.21 × 105
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.457 2560
50.0 0.476 2670
60.0 0.571 3200
70.0 0.666 3730
80.0 0.762 4260
90.0 0.857 4800
100 0.952 5330
200 1.90 1.07 × 104
300 2.86 1.60 × 104
400 3.81 2.13 × 104
500 4.76 2.67 × 104
600 5.71 3.20 × 104
700 6.66 3.73 × 104
800 7.62 4.26 × 104
900 8.57 4.80 × 104
1000 9.52 5.33 × 104
1450 13.8 7.72 × 104
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 0.948 3680
50.0 0.987 3840
60.0 1.18 4610
70.0 1.38 5370
80.0 1.58 6140
90.0 1.78 6910
100 1.97 7680
200 3.95 1.54 × 104
300 5.92 2.30 × 104
400 7.90 3.07 × 104
500 9.87 3.84 × 104
600 11.8 4.61 × 104
699 13.8 5.36 × 104
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 1.76 5020
50.0 1.83 5220
60.0 2.19 6270
70.0 2.56 7310
80.0 2.93 8360
90.0 3.29 9400
100 3.66 1.04 × 104
200 7.31 2.09 × 104
300 11.0 3.13 × 104
377 13.8 3.94 × 104
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 2.99 6550
50.0 3.12 6820
60.0 3.74 8190
70.0 4.37 9550
80.0 4.99 1.09 × 104
90.0 5.61 1.23 × 104
100 6.24 1.36 × 104
200 12.5 2.73 × 104
221 13.8 3.02 × 104
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 4.80 8290
50.0 5.00 8640
60.0 6.00 1.04 × 104
70.0 7.00 1.21 × 104
80.0 7.99 1.38 × 104
90.0 8.99 1.55 × 104
100 9.99 1.73 × 104
138 13.8 2.38 × 104
Steel I Beam: W14 × 48 (Wide Flange 14 inch tall × 48 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
48.0 7.31 1.02 × 104
50.0 7.62 1.07 × 104
60.0 9.14 1.28 × 104
70.0 10.7 1.49 × 104
80.0 12.2 1.71 × 104
90.0 13.7 1.92 × 104
90.5 13.8 1.93 × 104
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