W14x61 — Dimensions, Weight & Section Properties
American wide-flange (W) beam per ASTM A6 / AISC Steel Construction Manual
W14x61 is an American wide-flange beam 13.9 inches (353.1 mm) deep with a 10 in (254 mm) flange, weighing 61 pounds per foot (90.8 kg/m) — that is what the "61" in the designation means. All values below are the standard AISC published section properties used in US structural design, with metric equivalents alongside.
Typical uses: floor and roof framing, columns, headers, and general steel construction. For a quick stiffness check, see the deflection example below or open the beam calculator with your own span and load.
Dimensions
| Depth d | 13.9 in (353.1 mm) |
| Flange width bf | 10 in (254 mm) |
| Web thickness tw | 0.375 in (9.5 mm) |
| Flange thickness tf | 0.645 in (16.4 mm) |
Weight & Cross-Section
| Weight per foot | 61 lb/ft (90.8 kg/m) |
| 20 ft bar | 1,220 lb |
| 40 ft bar | 2,440 lb |
| Area A | 17.9 in² (115.5 cm²) |
Section Properties (strong / weak axis)
| Moment of inertia Ix | 640 in⁴ (26,639 cm⁴) |
| Section modulus Sx | 92.1 in³ (1,509 cm³) |
| Radius of gyration rx | 5.98 in |
| Moment of inertia Iy | 107 in⁴ (4,454 cm⁴) |
| Section modulus Sy | 21.5 in³ (352 cm³) |
| Radius of gyration ry | 2.45 in |
Compared with the neighbouring sizes
| Shape | d × bf (in) | lb/ft | Ix (in⁴) | Sx (in³) | Δ weight | Δ Ix |
|---|---|---|---|---|---|---|
| W14x53 | 13.9 × 8.06 | 53 | 541 | 77.8 | −13 % | −15 % |
| W14x61 (this page) | 13.9 × 10 | 61 | 640 | 92.1 | — | — |
| W14x68 | 14 × 10 | 68 | 722 | 103 | +11 % | +13 % |
Deflection example
A simply supported W14x61 spanning 22 ft with a 10 kip point load at midspan deflects 0.21 in (E = 29,000 ksi, Ix = 640 in⁴). The L/360 serviceability limit for this span is 0.73 in — the shape passes this quick check.
Calculate with your own span and load →
Frequently asked questions
How much does a W14x61 beam weigh?
W14x61 weighs 61 pounds per foot (90.8 kg/m). The number after the "x" in the designation is always the weight in lb/ft. A 20 ft bar weighs 1,220 lb and a 40 ft bar 2,440 lb.
What are the dimensions of a W14x61?
W14x61 is 13.9 in (353.1 mm) deep with a 10 in (254 mm) wide flange. The web is 0.38 in thick and the flanges are 0.65 in thick. Note the actual depth differs from the nominal W14 label — always design with the actual value.
What are the dimensions of a W14x61 in mm?
W14x61 is 353.1 mm deep with a 254 mm wide flange; the web is 9.5 mm and the flange 16.4 mm thick. In metric section properties: Ix = 26,639 cm⁴, Sx = 1,509 cm³.
How much does a W14x61 weigh in kg?
90.8 kg per meter. A 6 m bar weighs 545 kg and a 12 m bar 1,089 kg — handy when ordering US shapes from metric suppliers.
What is the moment of inertia of a W14x61?
About the strong axis, Ix = 640 in⁴ (26,639 cm⁴) with section modulus Sx = 92.1 in³. About the weak axis, Iy = 107 in⁴ and Sy = 21.5 in³. Use the beam deflection calculator to turn these into deflection and stress for your span and load.
W14x61 or W14x68 — what does one size up change?
W14x68 is about 11% heavier (68 vs 61 lb/ft) but about 13% stiffer (Ix 722 vs 640 in⁴). Going one step up within the same depth group is usually the cheapest way to cut deflection.
Values are entered from the governing standard’s published tables and cross-checked programmatically against its mass and section formulas before publication. Spotted an error? Write to advertising@metalabout.net — verified corrections ship within days. About