W21X147 Dimensions & Weight
W21X147 is an AISC wide-flange (W) shape with an actual depth of 22.06 in and a 12.51 in wide flange, weighing 147 lb per foot — a size you will see on longer floor spans and transfer framing.
W21X147 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 22.06 in | 560.3 mm |
| Flange width (bf) | 12.51 in | 317.8 mm |
| Cross-section area (A) | 43.2 in² | 278.7 cm² |
| Weight | 147 lb/ft | 218.8 kg/m |
What does W21X147 cost?
At an example material price of $0.92/lb, W21X147 runs about $135 per foot, or roughly $2,705 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 W21X147s 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