Resources · Janka hardness · Walnut
Janka hardness
Black walnut
1,010lbf
About 22 percent softer than red oak and chosen for its deep brown color. It takes a dent sooner than oak.
- Botanical
- Juglans nigra
- Also called
- American black walnut, walnut
- Kind
- Hardwood (a broadleaf tree), North America
- In newtons
- 4.5 kN
- Specific gravity
- 0.55 at 12 percent moisture
- Source
- USDA Wood Handbook, 2021, Table 5-3b
What the makers say.
The makers of the walnut floors we carry publish their own figure: Mullican, 1,010 lbf (1 line). The same figure as the Wood Handbook.
15 walnut floor colors to choose from.
5 lines: 5 engineered. Each color has its own page: open one to see it in a room, save it, or work out the cartons.

Anderson Tuftex
Revival Walnut Herringbone
Era · 3 colors
$9.49 /sq ft Red price code

Robbins
Timber Legends 8-1/2" Walnut
Natural
$12.49 /sq ft Red price code

Anderson Tuftex
Valencia Walnut
Alabaster · 6 colors
$11.69 /sq ft Red price code

Mullican
Oakmont 5" Walnut
Colonial · 2 colors
Ask us

Anderson Tuftex
Revival Walnut
Era · 3 colors
$13.59 /sq ft Red price code
Where it sits among every floor wood.
Hardest first. Floors we carry in oak brown, the rest in tan, red oak in black. How the Janka test works.
The number is a start. The floor is the answer.
Hardness is one fact among many: the finish, the sheen, the width and how the house is lived in all count. A free visit puts one of us in your rooms to weigh them with you.