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W12 Beam Sizes Chart: Dimensions & Weights

W12 beam sizes chart: all 29 AISC W12 shapes with depth, flange width, thickness, weight per foot, Ix and Sx.
Source: AISC Shapes Database v16.0Imperial & metric

There are 29 W12 shapes in the AISC Shapes Database v16.0, from W12x14 (14 lb/ft) to W12x336 (336 lb/ft). All are nominally 12 in deep; actual depth increases with weight.

ShapeWeight (lb/ft)Area (in²)Depth (in)Flange width (in)Web (in)Flange (in)Ix (in⁴)Sx (in³)
W12x14144.1611.93.970.20.22588.614.9
W12x16164.71123.990.220.26510317.1
W12x19195.5712.24.010.2350.3513021.3
W12x22226.4812.34.030.260.42515625.4
W12x26267.6512.26.490.230.3820433.4
W12x30308.7912.36.520.260.4423838.6
W12x353510.312.56.560.30.5228545.6
W12x404011.711.98.010.2950.51530751.5
W12x454513.112.18.050.3350.57534857.7
W12x505014.612.28.080.370.6439164.2
W12x535315.612.1100.3450.57542570.6
W12x58581712.2100.360.6447578
W12x656519.112.1120.390.60553387.9
W12x727221.112.3120.430.6759797.4
W12x797923.212.412.10.470.735662107
W12x878725.612.512.10.5150.81740118
W12x969628.212.712.20.550.9833131
W12x10610631.212.912.20.610.99933145
W12x12012035.213.112.30.711.111070163
W12x13613639.913.412.40.791.251240186
W12x15215244.713.712.50.871.41430209
W12x170170501412.60.961.561650235
W12x1901905614.412.71.061.741890263
W12x21021061.814.712.81.181.92140292
W12x23023067.715.112.91.292.072420321
W12x25225274.115.4131.42.252720353
W12x27927981.915.913.11.532.473110393
W12x30530589.516.313.21.632.713550435
W12x33633698.916.813.41.782.964060483

See all depths in the wide flange beam sizes chart, or get total weight with the steel beam weight calculator.

Source: AISC Shapes Database v16.0, consistent with the AISC Steel Construction Manual, 16th Edition. Last updated: September 2026. Reference information only, not engineering advice. Disclaimer.

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