Paint coverage calculators. Browse our free paint tools below — all calculators are instant, accurate, and require no sign-up.
Accent Wall Paint Calculator — Calculate paint needed for a single accent wall. Enter wall dimensions, subtract openings, and choose coverage rate to estimate gallons for your feature wall.
Ceiling Paint Coverage Calculator — Calculate gallons of ceiling paint needed. Enter ceiling dimensions and coverage rate to estimate paint quantity for smooth or textured ceilings.
Deck Stain Calculator — Calculate gallons of deck stain needed for your project. Enter deck square footage, coverage rate, and coats for accurate stain quantity estimates.
Door Paint Coverage Calculator — Calculate paint needed for interior and exterior doors. Enter door dimensions, number of doors, and coats to estimate gallons for both sides and edges.
Fence Paint & Stain Calculator — Calculate gallons of paint or stain for your fence. Enter fence length, height, and coverage rate to estimate materials for both sides of the fence.
Paint Cost Calculator — Estimate the total cost of a painting project including paint, primer, supplies, and labor. Enter gallons needed and prices for a full budget breakdown.
Paint Gallons Calculator — Estimate total gallons of paint for an entire project. Combine walls, ceilings, trim, and doors into one unified paint quantity calculation.
Paint Roller Coverage Calculator — Calculate paint needed when using a roller. Choose roller nap size by surface texture for accurate coverage estimates on smooth, semi-smooth, or rough walls.
Paint Sprayer Volume Calculator — Calculate paint needed when using a sprayer. Accounts for overspray factor (1.2–2.0×) to estimate true gallons consumed for airless, HVLP, or conventional sprayers.
Primer Coverage Calculator — Calculate gallons of primer needed for your painting project. Enter surface area and select primer type for accurate coverage estimates on new or repaired surfaces.
Stain Coverage Calculator — Calculate gallons of wood stain needed for any project. Enter surface area and coverage rate (100–400 sq ft/gal) for accurate stain quantity estimates.
Texture Paint Coverage Calculator — Calculate gallons of texture paint for textured finishes. Coverage drops to 100–200 sq ft/gal for heavy textures like knockdown, orange peel, or skip trowel.
Trim Paint Coverage Calculator — Calculate gallons of paint needed for baseboards, crown molding, and window trim. Enter linear feet and trim width for accurate coverage estimates.
Two-Coat Paint Calculator — Calculate paint for two coats with different coverage rates per coat. First coat covers less on porous surfaces; second coat covers more for an accurate total.
Wall Paint Coverage Calculator — Calculate how many gallons of paint you need for walls. Enter wall area, subtract windows and doors, set coverage rate and coats for accurate estimates.