305x102x33 UB Dimensions & Weight
305x102x33 UB is a BS EN 10365 universal beam with an actual depth of 312.7 mm and a 102.4 mm flange, weighing 32.8 kg per metre (22.04 lb/ft) — commonly used for light floor framing, mezzanines, and residential beams. It is the heaviest of the 3 305x102 UB sizes listed here.
305x102x33 UB Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (d) | 312.7 mm | 12.311 in |
| Flange width (b) | 102.4 mm | 4.031 in |
| Web thickness (tw) | 6.6 mm | 0.26 in |
| Flange thickness (tf) | 10.8 mm | 0.425 in |
| Cross-section area (A)computed from weight and steel density | 41.8 cm² | 6.48 in² |
| Mass | 32.8 kg/m | 22.04 lb/ft |
Standard: BS EN 10365. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does 305x102x33 UB weigh and cost?
305x102x33 UB has a mass of 32.8 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 65.60 per metre. Set your quantity, length, and price to total your own run:
Material only, example pricing (same currency as the price you enter). 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 305x102x33 UBs by hand.
Upload your drawing set and SteelFlo puts a box on every steel label it finds — every 305x102x33 UB, on every page — ready to review and export as a bill of materials.
Related sizes
Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight