hardwood · Quercus rubra
Red Oak wood properties
Also known as: northern red oak.
| Type | hardwood |
|---|---|
| Botanical name | Quercus rubra |
| Modulus of elasticity (MOE) | 1,761,000 psi |
| Specific gravity | 0.70 |
| Density (approx) | 44 lb/ft³ (3.6 lb per board foot) |
| Janka hardness | 1,220 lbf |
| Shrinkage (tangential / radial) | 8.6% / 4% |
| Movement coefficient (CT / CR) | 0.00369 / 0.00158 |
A 1 in x 6 in x 8 ft board of Red Oak weighs about 14.6 lb (roughly 44 lb per cubic foot). Its Janka hardness of 1,220 lbf is harder than about 57% of the woods in our database.
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Similar woods
Woods with comparable hardness and density to Red Oak:
How these numbers were sourced
MOE, shrinkage, Janka, and SG from The Wood Database (which cites the USDA FPL Wood Handbook). CT/CR from USDA FPL Wood Handbook Table 13-5 (Red Oak, commercial). Price indicative only.
Values shown as estimates rather than sourced constants: typicalPricePerBF_usd.
Sources
These calculators are for planning and estimation. Engineering results (shelf sag, wood movement) use published average material properties; real boards vary by grade, grain, moisture and defects. Verify load-bearing designs with a professional.