W18X65 Dimensions & Weight
W18X65 is an AISC wide-flange (W) shape with an actual depth of 18.35 in and a 7.59 in wide flange, weighing 65 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.
W18X65 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 18.35 in | 466.1 mm |
| Flange width (bf) | 7.59 in | 192.8 mm |
| Cross-section area (A) | 19.1 in² | 123.2 cm² |
| Weight | 65 lb/ft | 96.7 kg/m |
What does W18X65 cost?
At an example material price of $0.92/lb, W18X65 runs about $59.80 per foot, or roughly $1,196 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 W18X65s 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