Bit & GrainBit & Grain

Stain Calculator

Calculate stain gallons for wood surfaces, accounting for surface porosity and number of coats.

Stain Calculator

Calculate gallons of stain needed for wood surfaces, accounting for porosity and coats.

Coverage rate: 200 sq ft/gal

Gallons Needed2gal
Source: Coverage rates based on Armstrong Clark, Cabot, and TWP manufacturer guides. Highly porous or previously unfinished wood absorbs significantly more. Verify with your specific stain product specs.

For reference only. Verify with your local building code and a licensed professional before making decisions.

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