W18X86 Dimensions & Weight
W18X86 is an AISC wide-flange (W) shape with an actual depth of 18.39 in and a 11.09 in wide flange, weighing 86 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.
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Count every W18X86 on your drawing. Count W18X86 on your drawing. 3 free takeoffs, no card.
Start a free takeoffW18X86 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 18.39 in | 467.1 mm |
| Flange width (bf) | 11.09 in | 281.7 mm |
| Cross-section area (A) | 25.3 in² | 163.2 cm² |
| Weight | 86 lb/ft | 128 kg/m |
Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does W18X86 weigh and cost?
W18X86 weighs 86 lb per foot. At an example material price of $0.92/lb that is about $79.12 per foot. Set your quantity, length, and price to total your own run:
Material only, example pricing. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
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Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight