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Wide Flange Steel I Beam: W12 × 14
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W12 × 14
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 = 88.6 in4) for the W12 × 14 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: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 9.45 × 10-6 12.7
20.0 1.35 × 10-5 18.1
30.0 2.03 × 10-5 27.2
40.0 2.70 × 10-5 36.3
50.0 3.38 × 10-5 45.4
60.0 4.05 × 10-5 54.4
70.0 4.73 × 10-5 63.5
80.0 5.40 × 10-5 72.6
90.0 6.08 × 10-5 81.7
100 6.75 × 10-5 90.7
200 1.35 × 10-4 181
300 2.03 × 10-4 272
400 2.70 × 10-4 363
500 3.38 × 10-4 454
600 4.05 × 10-4 544
700 4.73 × 10-4 635
800 5.40 × 10-4 726
900 6.08 × 10-4 817
1000 6.75 × 10-4 907
2000 0.00135 1810
3000 0.00203 2720
4000 0.00270 3630
5000 0.00338 4540
6000 0.00405 5440
7000 0.00473 6350
8000 0.00540 7260
9000 0.00608 8170
1.00 × 104 0.00675 9070
2.00 × 104 0.0135 1.81 × 104
3.00 × 104 0.0203 2.72 × 104
4.00 × 104 0.0270 3.63 × 104
5.00 × 104 0.0338 4.54 × 104
6.00 × 104 0.0405 5.44 × 104
7.00 × 104 0.0473 6.35 × 104
8.00 × 104 0.0540 7.26 × 104
9.00 × 104 0.0608 8.17 × 104
1.00 × 105 0.0675 9.07 × 104
2.00 × 105 0.135 1.81 × 105
3.00 × 105 0.203 2.72 × 105
3.27 × 105 0.221 2.97 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 7.30 × 10-5 35.3
20.0 1.04 × 10-4 50.4
30.0 1.56 × 10-4 75.6
40.0 2.08 × 10-4 101
50.0 2.61 × 10-4 126
60.0 3.13 × 10-4 151
70.0 3.65 × 10-4 176
80.0 4.17 × 10-4 202
90.0 4.69 × 10-4 227
100 5.21 × 10-4 252
200 0.00104 504
300 0.00156 756
400 0.00208 1010
500 0.00261 1260
600 0.00313 1510
700 0.00365 1760
800 0.00417 2020
900 0.00469 2270
1000 0.00521 2520
2000 0.0104 5040
3000 0.0156 7560
4000 0.0208 1.01 × 104
5000 0.0261 1.26 × 104
6000 0.0313 1.51 × 104
7000 0.0365 1.76 × 104
8000 0.0417 2.02 × 104
9000 0.0469 2.27 × 104
1.00 × 104 0.0521 2.52 × 104
2.00 × 104 0.104 5.04 × 104
3.00 × 104 0.156 7.56 × 104
4.00 × 104 0.208 1.01 × 105
5.00 × 104 0.261 1.26 × 105
6.00 × 104 0.313 1.51 × 105
7.00 × 104 0.365 1.76 × 105
8.00 × 104 0.417 2.02 × 105
9.00 × 104 0.469 2.27 × 105
1.00 × 105 0.521 2.52 × 105
1.18 × 105 0.614 2.97 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.00117 141
20.0 0.00167 202
30.0 0.00250 302
40.0 0.00334 403
50.0 0.00417 504
60.0 0.00500 605
70.0 0.00584 706
80.0 0.00667 807
90.0 0.00750 907
100 0.00834 1010
200 0.0167 2020
300 0.0250 3020
400 0.0334 4030
500 0.0417 5040
600 0.0500 6050
700 0.0584 7060
800 0.0667 8070
900 0.0750 9070
1000 0.0834 1.01 × 104
2000 0.167 2.02 × 104
3000 0.250 3.02 × 104
4000 0.334 4.03 × 104
5000 0.417 5.04 × 104
6000 0.500 6.05 × 104
7000 0.584 7.06 × 104
8000 0.667 8.07 × 104
9000 0.750 9.07 × 104
1.00 × 104 0.834 1.01 × 105
2.00 × 104 1.67 2.02 × 105
2.95 × 104 2.46 2.97 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.00591 318
20.0 0.00844 454
30.0 0.0127 681
40.0 0.0169 907
50.0 0.0211 1130
60.0 0.0253 1360
70.0 0.0295 1590
80.0 0.0338 1810
90.0 0.0380 2040
100 0.0422 2270
200 0.0844 4540
300 0.127 6810
400 0.169 9070
500 0.211 1.13 × 104
600 0.253 1.36 × 104
700 0.295 1.59 × 104
800 0.338 1.81 × 104
900 0.380 2.04 × 104
1000 0.422 2.27 × 104
2000 0.844 4.54 × 104
3000 1.27 6.81 × 104
4000 1.69 9.07 × 104
5000 2.11 1.13 × 105
6000 2.53 1.36 × 105
7000 2.95 1.59 × 105
8000 3.38 1.81 × 105
9000 3.80 2.04 × 105
1.00 × 104 4.22 2.27 × 105
1.31 × 104 5.53 2.97 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.0187 565
20.0 0.0267 807
30.0 0.0400 1210
40.0 0.0534 1610
50.0 0.0667 2020
60.0 0.0800 2420
70.0 0.0934 2820
80.0 0.107 3230
90.0 0.120 3630
100 0.133 4030
200 0.267 8070
300 0.400 1.21 × 104
400 0.534 1.61 × 104
500 0.667 2.02 × 104
600 0.800 2.42 × 104
700 0.934 2.82 × 104
800 1.07 3.23 × 104
900 1.20 3.63 × 104
1000 1.33 4.03 × 104
2000 2.67 8.07 × 104
3000 4.00 1.21 × 105
4000 5.34 1.61 × 105
5000 6.67 2.02 × 105
6000 8.00 2.42 × 105
7000 9.34 2.82 × 105
7370 9.83 2.97 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.0456 882
20.0 0.0651 1260
30.0 0.0977 1890
40.0 0.130 2520
50.0 0.163 3150
60.0 0.195 3780
70.0 0.228 4410
80.0 0.261 5040
90.0 0.293 5670
100 0.326 6300
200 0.651 1.26 × 104
300 0.977 1.89 × 104
400 1.30 2.52 × 104
500 1.63 3.15 × 104
600 1.95 3.78 × 104
700 2.28 4.41 × 104
800 2.61 5.04 × 104
900 2.93 5.67 × 104
1000 3.26 6.30 × 104
2000 6.51 1.26 × 105
3000 9.77 1.89 × 105
3660 11.9 2.30 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.0945 1270
20.0 0.135 1810
30.0 0.203 2720
40.0 0.270 3630
50.0 0.338 4540
60.0 0.405 5440
70.0 0.473 6350
80.0 0.540 7260
90.0 0.608 8170
100 0.675 9070
200 1.35 1.81 × 104
300 2.03 2.72 × 104
400 2.70 3.63 × 104
500 3.38 4.54 × 104
600 4.05 5.44 × 104
700 4.73 6.35 × 104
800 5.40 7.26 × 104
900 6.08 8.17 × 104
1000 6.75 9.07 × 104
1760 11.9 1.60 × 105
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.299 2260
20.0 0.427 3230
30.0 0.640 4840
40.0 0.854 6450
50.0 1.07 8070
60.0 1.28 9680
70.0 1.49 1.13 × 104
80.0 1.71 1.29 × 104
90.0 1.92 1.45 × 104
100 2.13 1.61 × 104
200 4.27 3.23 × 104
300 6.40 4.84 × 104
400 8.54 6.45 × 104
500 10.7 8.07 × 104
558 11.9 9.00 × 104
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 0.730 3530
20.0 1.04 5040
30.0 1.56 7560
40.0 2.08 1.01 × 104
50.0 2.61 1.26 × 104
60.0 3.13 1.51 × 104
70.0 3.65 1.76 × 104
80.0 4.17 2.02 × 104
90.0 4.69 2.27 × 104
100 5.21 2.52 × 104
200 10.4 5.04 × 104
229 11.9 5.76 × 104
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 1.51 5080
20.0 2.16 7260
30.0 3.24 1.09 × 104
40.0 4.32 1.45 × 104
50.0 5.40 1.81 × 104
60.0 6.48 2.18 × 104
70.0 7.56 2.54 × 104
80.0 8.64 2.90 × 104
90.0 9.73 3.27 × 104
100 10.8 3.63 × 104
110 11.9 4.00 × 104
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 2.80 6920
20.0 4.00 9880
30.0 6.01 1.48 × 104
40.0 8.01 1.98 × 104
50.0 10.0 2.47 × 104
59.5 11.9 2.94 × 104
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 4.78 9030
20.0 6.83 1.29 × 104
30.0 10.2 1.94 × 104
34.9 11.9 2.25 × 104
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 7.66 1.14 × 104
20.0 10.9 1.63 × 104
21.8 11.9 1.78 × 104
Steel I Beam: W12 × 14 (Wide Flange 12 inch tall × 14 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
14.0 11.7 1.41 × 104
14.3 11.9 1.44 × 104
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