Painting Calculators

Estimate paint gallons, wallpaper rolls, stucco mix bags and caulk cartridges from measured finishing surfaces.

Available painting calculators

6 calculators for this project type.

Painting & FinishesInterior Painting Cost CalculatorCalculate paint gallons for a rectangular room with adjustable openings, coats, coverage and project rates.

Painting & FinishesExterior Painting Cost CalculatorInclude gable surfaces and subtract unpainted openings before calculating exterior paint and labor quantities.

Painting & FinishesPaint Quantity CalculatorMeasure wall and ceiling surfaces, deduct openings, then calculate finish paint and primer purchases using the selected product’s coverage.

Painting & FinishesStucco Material CalculatorEstimate stucco volume and bags from total applied thickness and product-specific wet-mix yield.

Painting & FinishesWallpaper Roll CalculatorCalculate complete wallpaper drops and rolls with a specified straight-match pattern repeat.

Painting & FinishesCaulk and Sealant CalculatorConvert measured joint dimensions into sealant volume and complete cartridge purchases.

Planning painting projects

Paint gallons depend on coats and product coverage; wallpaper rolls depend on usable pattern-aligned drops. Stucco uses mixed-volume yield and caulk uses joint-fill volume. Enter the specifications of the selected products.