engineering fundamentals
Wide Flange Steel I Beam: W6 × 16
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W6 × 16
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 = 32.1 in4) for the W6 × 16 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
   
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 2.98 × 10-5 21.1
20.0 3.73 × 10-5 26.4
30.0 5.59 × 10-5 39.6
40.0 7.46 × 10-5 52.8
50.0 9.32 × 10-5 66.0
60.0 1.12 × 10-4 79.2
70.0 1.30 × 10-4 92.4
80.0 1.49 × 10-4 106
90.0 1.68 × 10-4 119
100 1.86 × 10-4 132
200 3.73 × 10-4 264
300 5.59 × 10-4 396
400 7.46 × 10-4 528
500 9.32 × 10-4 660
600 0.00112 792
700 0.00130 924
800 0.00149 1060
900 0.00168 1190
1000 0.00186 1320
2000 0.00373 2640
3000 0.00559 3960
4000 0.00746 5280
5000 0.00932 6600
6000 0.0112 7920
7000 0.0130 9240
8000 0.0149 1.06 × 104
9000 0.0168 1.19 × 104
1.00 × 104 0.0186 1.32 × 104
2.00 × 104 0.0373 2.64 × 104
3.00 × 104 0.0559 3.96 × 104
4.00 × 104 0.0746 5.28 × 104
5.00 × 104 0.0932 6.60 × 104
6.00 × 104 0.112 7.92 × 104
7.00 × 104 0.130 9.24 × 104
8.00 × 104 0.149 1.06 × 105
9.00 × 104 0.168 1.19 × 105
1.00 × 105 0.186 1.32 × 105
2.00 × 105 0.373 2.64 × 105
2.25 × 105 0.419 2.97 × 105
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 2.30 × 10-4 58.7
20.0 2.88 × 10-4 73.4
30.0 4.31 × 10-4 110
40.0 5.75 × 10-4 147
50.0 7.19 × 10-4 183
60.0 8.63 × 10-4 220
70.0 0.00101 257
80.0 0.00115 293
90.0 0.00129 330
100 0.00144 367
200 0.00288 734
300 0.00431 1100
400 0.00575 1470
500 0.00719 1830
600 0.00863 2200
700 0.0101 2570
800 0.0115 2930
900 0.0129 3300
1000 0.0144 3670
2000 0.0288 7340
3000 0.0431 1.10 × 104
4000 0.0575 1.47 × 104
5000 0.0719 1.83 × 104
6000 0.0863 2.20 × 104
7000 0.101 2.57 × 104
8000 0.115 2.93 × 104
9000 0.129 3.30 × 104
1.00 × 104 0.144 3.67 × 104
2.00 × 104 0.288 7.34 × 104
3.00 × 104 0.431 1.10 × 105
4.00 × 104 0.575 1.47 × 105
5.00 × 104 0.719 1.83 × 105
6.00 × 104 0.863 2.20 × 105
7.00 × 104 1.01 2.57 × 105
8.00 × 104 1.15 2.93 × 105
8.10 × 104 1.16 2.97 × 105
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 0.00368 235
20.0 0.00460 293
30.0 0.00690 440
40.0 0.00921 587
50.0 0.0115 734
60.0 0.0138 880
70.0 0.0161 1030
80.0 0.0184 1170
90.0 0.0207 1320
100 0.0230 1470
200 0.0460 2930
300 0.0690 4400
400 0.0921 5870
500 0.115 7340
600 0.138 8800
700 0.161 1.03 × 104
800 0.184 1.17 × 104
900 0.207 1.32 × 104
1000 0.230 1.47 × 104
2000 0.460 2.93 × 104
3000 0.690 4.40 × 104
4000 0.921 5.87 × 104
5000 1.15 7.34 × 104
6000 1.38 8.80 × 104
7000 1.61 1.03 × 105
8000 1.84 1.17 × 105
9000 2.07 1.32 × 105
1.00 × 104 2.30 1.47 × 105
2.00 × 104 4.60 2.93 × 105
2.02 × 104 4.66 2.97 × 105
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 0.0186 528
20.0 0.0233 660
30.0 0.0350 990
40.0 0.0466 1320
50.0 0.0583 1650
60.0 0.0699 1980
70.0 0.0816 2310
80.0 0.0932 2640
90.0 0.105 2970
100 0.117 3300
200 0.233 6600
300 0.350 9900
400 0.466 1.32 × 104
500 0.583 1.65 × 104
600 0.699 1.98 × 104
700 0.816 2.31 × 104
800 0.932 2.64 × 104
900 1.05 2.97 × 104
1000 1.17 3.30 × 104
2000 2.33 6.60 × 104
3000 3.50 9.90 × 104
4000 4.66 1.32 × 105
5000 5.83 1.65 × 105
5390 6.28 1.78 × 105
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 0.0589 939
20.0 0.0736 1170
30.0 0.110 1760
40.0 0.147 2350
50.0 0.184 2930
60.0 0.221 3520
70.0 0.258 4110
80.0 0.295 4700
90.0 0.331 5280
100 0.368 5870
200 0.736 1.17 × 104
300 1.10 1.76 × 104
400 1.47 2.35 × 104
500 1.84 2.93 × 104
600 2.21 3.52 × 104
700 2.58 4.11 × 104
800 2.95 4.70 × 104
900 3.31 5.28 × 104
1000 3.68 5.87 × 104
1710 6.28 1.00 × 105
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 0.144 1470
20.0 0.180 1830
30.0 0.270 2750
40.0 0.360 3670
50.0 0.449 4590
60.0 0.539 5500
70.0 0.629 6420
80.0 0.719 7340
90.0 0.809 8250
100 0.899 9170
200 1.80 1.83 × 104
300 2.70 2.75 × 104
400 3.60 3.67 × 104
500 4.49 4.59 × 104
600 5.39 5.50 × 104
699 6.28 6.41 × 104
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 0.298 2110
20.0 0.373 2640
30.0 0.559 3960
40.0 0.746 5280
50.0 0.932 6600
60.0 1.12 7920
70.0 1.30 9240
80.0 1.49 1.06 × 104
90.0 1.68 1.19 × 104
100 1.86 1.32 × 104
200 3.73 2.64 × 104
300 5.59 3.96 × 104
337 6.28 4.45 × 104
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 0.943 3760
20.0 1.18 4700
30.0 1.77 7040
40.0 2.36 9390
50.0 2.95 1.17 × 104
60.0 3.53 1.41 × 104
70.0 4.12 1.64 × 104
80.0 4.71 1.88 × 104
90.0 5.30 2.11 × 104
100 5.89 2.35 × 104
107 6.28 2.50 × 104
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 2.30 5870
20.0 2.88 7340
30.0 4.31 1.10 × 104
40.0 5.75 1.47 × 104
43.7 6.28 1.60 × 104
Steel I Beam: W6 × 16 (Wide Flange 6 inch tall × 16 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
16.0 4.77 8450
20.0 5.97 1.06 × 104
21.1 6.28 1.11 × 104
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