Hardwood reference

Red Oak Wood

Red oak is used for flooring, cabinets, tables, and stairs. Northern red oak is the reference behind the 1,290 lbf hardness value on this page. For weight, identify the species and moisture condition: dry furniture stock and green lumber can differ substantially.

Density42-45 lb/ft³About 705 kg/m³
WeightHeavyPlan lifting, shipping, and joinery
Hardness1,290 JankaMedium surface feel
PriceMediumLocal supply changes quickly

Estimate red oak weight before sizing the parts

USDA Hardwoods of North America lists northern red oak (Quercus rubra) at about 44 lb/ft³ at 12% moisture content and 63 lb/ft³ green. Those are reference averages for different conditions, not an allowable load or a guaranteed supplier specification.

Example: a finished board 48 × 12 × 0.75 inches occupies 0.25 ft³. At 44 lb/ft³ it weighs about 11 lb; at the green reference of 63 lb/ft³ the same volume would be about 15.75 lb. Measure the actual dimensions and choose the appropriate density before multiplying by quantity.

For cabinet doors, settle the opening size, inset or overlay, and the center gap before ordering parts. Keep the solid-wood frame and center-panel construction separate in the cut list; finished door size is not automatically a rail or panel cutting dimension.

Calculate red oak weight · Calculate finished door sizes · Estimate lumber volume · Compare white oak

References: USDA: Hardwoods of North America, oak weight tables; Menominee Tribal Enterprises: northern red oak. Reviewed September 21, 2026.

Red Oak properties and best uses

Red Oak is a hardwood that is commonly evaluated for flooring, cabinets, trim, tables. For early project planning, use the density and Janka values as rough comparison points, then confirm the actual board grade, moisture content, and supplier data before buying.

Applications

  • flooring
  • cabinets
  • trim
  • tables
  • stairs

Cons

  • Actual boards vary by supplier, grade, and moisture
  • Heavy stock can be harder to move and ship
  • Surface durability may be lower than harder species

Selection and machining checks

Before committing a project to Red Oak, inspect representative boards for flatness, defects, moisture, and color variation. Measure actual thickness and width after acclimation, then make a sample cut, edge treatment, joint, and finish test. Record grain direction, defect zones, tooling results, and acceptable appearance so the cut list reflects the stock actually available instead of a nominal species profile.

Outdoor and finishing notes

Outdoor fit: Best indoors; open pores make it a poor wet exterior choice.

Finish behavior: Clear finish is usually reliable; stain and paint should be tested on offcuts.

FAQ

Red Oak wood questions.

How much does red oak weigh per cubic foot?

The USDA reference for northern red oak is about 44 lb/ft³ at 12% moisture content and 63 lb/ft³ green. Check species and moisture before applying either value to your stock.

How hard is northern red oak?

The Janka reference used here is 1,290 lbf for northern red oak. Hardness describes resistance to indentation; it is not a shelf-span or structural load rating.

Can I use a red oak board weight for red oak plywood?

Do not assume the same density. A veneered panel contains a core and adhesive as well as the face veneer. Use the panel manufacturer’s density or weigh a known-size sample.

Similar woods

Compare nearby hardwood options.

Planning note

Verify actual stock before building.

Wood values vary by species, board, moisture, grade, drying method, supplier, and local market. These pages are for estimating and comparison only, not structural, safety, engineering, or purchasing guarantees.