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Deck Stain Coverage Calculator

Gallons of stain for a deck of given square footage.

Compute the gallons of deck stain needed to coat a deck of given square footage given the per-gallon coverage rate (typically 200–300 sq ft/gal for new wood, 100–150 for textured).

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

ft²

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Gallons = ceil(area_sqft · coats / coverage_per_gallon).

In depth

Compute the gallons of deck stain needed to coat a deck of given square footage given the per-gallon coverage rate (typically 200–300 sq ft/gal for new wood, 100–150 for textured).