W10X100 Dimensions & Weight

W10X100 is an AISC wide-flange (W) shape with an actual depth of 11.1 in and a 10.34 in wide flange, weighing 100 lb per foot — a common size for light floor framing, mezzanines, and residential beams.

W10X100 Dimensions

Property	Imperial	Metric
Depth (d)	11.1 in	281.9 mm
Flange width (bf)	10.34 in	262.6 mm
Cross-section area (A)	29.4 in²	189.7 cm²
Weight	100 lb/ft	148.8 kg/m

What does W10X100 cost?

At an example material price of $0.92/lb, W10X100 runs about $92.00 per foot, or roughly $1,840 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 W10X100s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.

Related sizes

W10X1212 lb/ft
W10X1515 lb/ft
W10X1717 lb/ft
W10X1919 lb/ft
W10X2222 lb/ft
W10X2626 lb/ft
W10X3030 lb/ft
W10X3333 lb/ft

Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight