W18X76 Dimensions & Weight
W18X76 is an AISC wide-flange (W) shape with an actual depth of 18.21 in and a 11.04 in wide flange, weighing 76 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.
W18X76 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 18.21 in | 462.5 mm |
| Flange width (bf) | 11.04 in | 280.3 mm |
| Cross-section area (A) | 22.3 in² | 143.9 cm² |
| Weight | 76 lb/ft | 113.1 kg/m |
What does W18X76 cost?
At an example material price of $0.92/lb, W18X76 runs about $69.92 per foot, or roughly $1,398 for a 20-ft length.
Example pricing only. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
Counting W18X76s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.
Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight