hardwood · Juglans nigra
Black Walnut wood properties
Also known as: american walnut, eastern black walnut.
| Type | hardwood |
|---|---|
| Botanical name | Juglans nigra |
| Modulus of elasticity (MOE) | 1,680,000 psi |
| Specific gravity | 0.61 |
| Density (approx) | 38 lb/ft³ (3.2 lb per board foot) |
| Janka hardness | 1,010 lbf |
| Shrinkage (tangential / radial) | 7.8% / 5.5% |
| Movement coefficient (CT / CR) | 0.00274 / 0.00190 |
A 1 in x 6 in x 8 ft board of Black Walnut weighs about 12.7 lb (roughly 38 lb per cubic foot). Its Janka hardness of 1,010 lbf is harder than about 50% of the woods in our database.
Use this data
Similar woods
Woods with comparable hardness and density to Black Walnut:
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 (Walnut, black). 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.