W12X87 Dimensions & Weight
W12X87 is an AISC wide-flange (W) shape with an actual depth of 12.53 in and a 12.13 in wide flange, weighing 87 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.
W12X87 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 12.53 in | 318.3 mm |
| Flange width (bf) | 12.13 in | 308 mm |
| Cross-section area (A) | 25.6 in² | 165.2 cm² |
| Weight | 87 lb/ft | 129.5 kg/m |
What does W12X87 weigh and cost?
W12X87 weighs 87 lb per foot. At an example material price of $0.92/lb that is about $80.04 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.
Pricing more than one size? Build a full member list in the free calculator →
Stop counting W12X87s by hand.
Upload your drawing set and SteelFlo puts a box on every steel label it finds — every W12X87, on every page — ready to review and export as a bill of materials.
Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight