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Wide Flange Steel I Beam: W16 × 50
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W16 × 50
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 = 659 in4) for the W16 × 50 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: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 4.54 × 10-6 8.33
60.0 5.45 × 10-6 9.99
70.0 6.36 × 10-6 11.7
80.0 7.26 × 10-6 13.3
90.0 8.17 × 10-6 15.0
100 9.08 × 10-6 16.7
200 1.82 × 10-5 33.3
300 2.72 × 10-5 50.0
400 3.63 × 10-5 66.6
500 4.54 × 10-5 83.3
600 5.45 × 10-5 99.9
700 6.36 × 10-5 117
800 7.26 × 10-5 133
900 8.17 × 10-5 150
1000 9.08 × 10-5 167
2000 1.82 × 10-4 333
3000 2.72 × 10-4 500
4000 3.63 × 10-4 666
5000 4.54 × 10-4 833
6000 5.45 × 10-4 999
7000 6.36 × 10-4 1170
8000 7.26 × 10-4 1330
9000 8.17 × 10-4 1500
1.00 × 104 9.08 × 10-4 1670
2.00 × 104 0.00182 3330
3.00 × 104 0.00272 5000
4.00 × 104 0.00363 6660
5.00 × 104 0.00454 8330
6.00 × 104 0.00545 9990
7.00 × 104 0.00636 1.17 × 104
8.00 × 104 0.00726 1.33 × 104
9.00 × 104 0.00817 1.50 × 104
1.00 × 105 0.00908 1.67 × 104
2.00 × 105 0.0182 3.33 × 104
3.00 × 105 0.0272 5.00 × 104
4.00 × 105 0.0363 6.66 × 104
5.00 × 105 0.0454 8.33 × 104
6.00 × 105 0.0545 9.99 × 104
7.00 × 105 0.0636 1.17 × 105
8.00 × 105 0.0726 1.33 × 105
9.00 × 105 0.0817 1.50 × 105
1.00 × 106 0.0908 1.67 × 105
1.78 × 106 0.162 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 3.50 × 10-5 23.1
60.0 4.20 × 10-5 27.8
70.0 4.90 × 10-5 32.4
80.0 5.60 × 10-5 37.0
90.0 6.31 × 10-5 41.6
100 7.01 × 10-5 46.3
200 1.40 × 10-4 92.5
300 2.10 × 10-4 139
400 2.80 × 10-4 185
500 3.50 × 10-4 231
600 4.20 × 10-4 278
700 4.90 × 10-4 324
800 5.60 × 10-4 370
900 6.31 × 10-4 416
1000 7.01 × 10-4 463
2000 0.00140 925
3000 0.00210 1390
4000 0.00280 1850
5000 0.00350 2310
6000 0.00420 2780
7000 0.00490 3240
8000 0.00560 3700
9000 0.00631 4160
1.00 × 104 0.00701 4630
2.00 × 104 0.0140 9250
3.00 × 104 0.0210 1.39 × 104
4.00 × 104 0.0280 1.85 × 104
5.00 × 104 0.0350 2.31 × 104
6.00 × 104 0.0420 2.78 × 104
7.00 × 104 0.0490 3.24 × 104
8.00 × 104 0.0560 3.70 × 104
9.00 × 104 0.0631 4.16 × 104
1.00 × 105 0.0701 4.63 × 104
2.00 × 105 0.140 9.25 × 104
3.00 × 105 0.210 1.39 × 105
4.00 × 105 0.280 1.85 × 105
5.00 × 105 0.350 2.31 × 105
6.00 × 105 0.420 2.78 × 105
6.42 × 105 0.450 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 5.60 × 10-4 92.5
60.0 6.73 × 10-4 111
70.0 7.85 × 10-4 130
80.0 8.97 × 10-4 148
90.0 0.00101 167
100 0.00112 185
200 0.00224 370
300 0.00336 555
400 0.00448 740
500 0.00560 925
600 0.00673 1110
700 0.00785 1300
800 0.00897 1480
900 0.0101 1670
1000 0.0112 1850
2000 0.0224 3700
3000 0.0336 5550
4000 0.0448 7400
5000 0.0560 9250
6000 0.0673 1.11 × 104
7000 0.0785 1.30 × 104
8000 0.0897 1.48 × 104
9000 0.101 1.67 × 104
1.00 × 104 0.112 1.85 × 104
2.00 × 104 0.224 3.70 × 104
3.00 × 104 0.336 5.55 × 104
4.00 × 104 0.448 7.40 × 104
5.00 × 104 0.560 9.25 × 104
6.00 × 104 0.673 1.11 × 105
7.00 × 104 0.785 1.30 × 105
8.00 × 104 0.897 1.48 × 105
9.00 × 104 1.01 1.67 × 105
1.00 × 105 1.12 1.85 × 105
1.61 × 105 1.80 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.00284 208
60.0 0.00340 250
70.0 0.00397 291
80.0 0.00454 333
90.0 0.00511 375
100 0.00567 416
200 0.0113 833
300 0.0170 1250
400 0.0227 1670
500 0.0284 2080
600 0.0340 2500
700 0.0397 2910
800 0.0454 3330
900 0.0511 3750
1000 0.0567 4160
2000 0.113 8330
3000 0.170 1.25 × 104
4000 0.227 1.67 × 104
5000 0.284 2.08 × 104
6000 0.340 2.50 × 104
7000 0.397 2.91 × 104
8000 0.454 3.33 × 104
9000 0.511 3.75 × 104
1.00 × 104 0.567 4.16 × 104
2.00 × 104 1.13 8.33 × 104
3.00 × 104 1.70 1.25 × 105
4.00 × 104 2.27 1.67 × 105
5.00 × 104 2.84 2.08 × 105
6.00 × 104 3.40 2.50 × 105
7.00 × 104 3.97 2.91 × 105
7.13 × 104 4.05 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.00897 370
60.0 0.0108 444
70.0 0.0126 518
80.0 0.0143 592
90.0 0.0161 666
100 0.0179 740
200 0.0359 1480
300 0.0538 2220
400 0.0717 2960
500 0.0897 3700
600 0.108 4440
700 0.126 5180
800 0.143 5920
900 0.161 6660
1000 0.179 7400
2000 0.359 1.48 × 104
3000 0.538 2.22 × 104
4000 0.717 2.96 × 104
5000 0.897 3.70 × 104
6000 1.08 4.44 × 104
7000 1.26 5.18 × 104
8000 1.43 5.92 × 104
9000 1.61 6.66 × 104
1.00 × 104 1.79 7.40 × 104
2.00 × 104 3.59 1.48 × 105
3.00 × 104 5.38 2.22 × 105
4.00 × 104 7.17 2.96 × 105
4.01 × 104 7.20 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.0219 578
60.0 0.0263 694
70.0 0.0307 810
80.0 0.0350 925
90.0 0.0394 1040
100 0.0438 1160
200 0.0876 2310
300 0.131 3470
400 0.175 4630
500 0.219 5780
600 0.263 6940
700 0.307 8100
800 0.350 9250
900 0.394 1.04 × 104
1000 0.438 1.16 × 104
2000 0.876 2.31 × 104
3000 1.31 3.47 × 104
4000 1.75 4.63 × 104
5000 2.19 5.78 × 104
6000 2.63 6.94 × 104
7000 3.07 8.10 × 104
8000 3.50 9.25 × 104
9000 3.94 1.04 × 105
1.00 × 104 4.38 1.16 × 105
2.00 × 104 8.76 2.31 × 105
2.57 × 104 11.2 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.0454 833
60.0 0.0545 999
70.0 0.0636 1170
80.0 0.0726 1330
90.0 0.0817 1500
100 0.0908 1670
200 0.182 3330
300 0.272 5000
400 0.363 6660
500 0.454 8330
600 0.545 9990
700 0.636 1.17 × 104
800 0.726 1.33 × 104
900 0.817 1.50 × 104
1000 0.908 1.67 × 104
2000 1.82 3.33 × 104
3000 2.72 5.00 × 104
4000 3.63 6.66 × 104
5000 4.54 8.33 × 104
6000 5.45 9.99 × 104
7000 6.36 1.17 × 105
8000 7.26 1.33 × 105
9000 8.17 1.50 × 105
1.00 × 104 9.08 1.67 × 105
1.78 × 104 16.2 2.97 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.143 1480
60.0 0.172 1780
70.0 0.201 2070
80.0 0.230 2370
90.0 0.258 2660
100 0.287 2960
200 0.574 5920
300 0.861 8880
400 1.15 1.18 × 104
500 1.43 1.48 × 104
600 1.72 1.78 × 104
700 2.01 2.07 × 104
800 2.30 2.37 × 104
900 2.58 2.66 × 104
1000 2.87 2.96 × 104
2000 5.74 5.92 × 104
3000 8.61 8.88 × 104
4000 11.5 1.18 × 105
5000 14.3 1.48 × 105
5670 16.3 1.68 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.350 2310
60.0 0.420 2780
70.0 0.490 3240
80.0 0.560 3700
90.0 0.631 4160
100 0.701 4630
200 1.40 9250
300 2.10 1.39 × 104
400 2.80 1.85 × 104
500 3.50 2.31 × 104
600 4.20 2.78 × 104
700 4.90 3.24 × 104
800 5.60 3.70 × 104
900 6.31 4.16 × 104
1000 7.01 4.63 × 104
2000 14.0 9.25 × 104
2320 16.3 1.07 × 105
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 0.726 3330
60.0 0.872 4000
70.0 1.02 4660
80.0 1.16 5330
90.0 1.31 6000
100 1.45 6660
200 2.91 1.33 × 104
300 4.36 2.00 × 104
400 5.81 2.66 × 104
500 7.26 3.33 × 104
600 8.72 4.00 × 104
700 10.2 4.66 × 104
800 11.6 5.33 × 104
900 13.1 6.00 × 104
1000 14.5 6.66 × 104
1120 16.3 7.46 × 104
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 1.35 4530
60.0 1.61 5440
70.0 1.88 6350
80.0 2.15 7250
90.0 2.42 8160
100 2.69 9070
200 5.38 1.81 × 104
300 8.07 2.72 × 104
400 10.8 3.63 × 104
500 13.5 4.53 × 104
600 16.1 5.44 × 104
604 16.3 5.48 × 104
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 2.30 5920
60.0 2.75 7110
70.0 3.21 8290
80.0 3.67 9470
90.0 4.13 1.07 × 104
100 4.59 1.18 × 104
200 9.18 2.37 × 104
300 13.8 3.55 × 104
354 16.3 4.19 × 104
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 3.68 7490
60.0 4.41 8990
70.0 5.15 1.05 × 104
80.0 5.88 1.20 × 104
90.0 6.62 1.35 × 104
100 7.35 1.50 × 104
200 14.7 3.00 × 104
221 16.3 3.31 × 104
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 5.60 9250
60.0 6.73 1.11 × 104
70.0 7.85 1.30 × 104
80.0 8.97 1.48 × 104
90.0 10.1 1.67 × 104
100 11.2 1.85 × 104
145 16.3 2.68 × 104
Steel I Beam: W16 × 50 (Wide Flange 16 inch tall × 50 lbf/ft)
L = 125 ft
P (lbf/ft) w_max (in) stress_max (psi)
50.0 13.7 1.45 × 104
59.4 16.3 1.72 × 104
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