Wood Stain Quantity Calculator
Calculate how many quarts or gallons of wood stain you need for any project.
Select wood species and number of coats for an accurate estimate.
How Wood Stain Coverage Works
Wood stain is a penetrating finish — it soaks into the wood fibers rather than sitting on top like paint. Because of this, coverage varies dramatically depending on how porous and absorbent the wood species is. Open-grained, porous woods like pine and ash soak up much more stain per square foot than closed-grain, dense woods like maple or cherry.
Wood Grain and Porosity
Open-grained softwoods like pine and fir have large pores and absorb stain rapidly. Coverage on pine is typically 150–200 square feet per quart for a single coat. Using a pre-stain wood conditioner on pine before staining prevents blotchy uneven absorption. Medium-grained woods like oak and walnut absorb stain more evenly. Oak typically covers 225–275 square feet per quart — its open pores accept stain well but without the blotchiness of pine. Closed-grain hardwoods like maple and cherry are very dense, absorb stain slowly, and can be finicky. Maple resists penetrating stains and may need gel stain or a toner for even color. Coverage on maple is approximately 275–325 square feet per quart. Cherry is moderately dense but darkens beautifully with oil-based stains; coverage is approximately 250–300 square feet per quart.
Multiple Coats
Most woodworkers apply one coat of penetrating stain, allow it to penetrate for a few minutes, then wipe off the excess. A second coat darkens the color only slightly on already-saturated wood, and coverage on the second coat is about 30% higher (less absorption). For dramatic color depth, a second coat may be worth it. For even, subtle color, one coat is usually sufficient. Always test on a scrap piece of the same wood before committing to the full project.
Wiping Off Excess
Penetrating stains require wiping off the excess after a dwell time of 5–15 minutes. If you leave excess stain on the surface without wiping, it dries sticky and gummy — a very difficult problem to fix. Set a timer and do not walk away from an active stain job.
Topcoat
Stain alone is not a protective finish. Always apply a topcoat (polyurethane, lacquer, or oil finish) after the stain has dried completely (typically 4–24 hours depending on product and conditions).