🖌️ Exterior Paint Calculator
House size, gables and surface
House perimeter
Wall height
Doors & windows area
(deducted)
Gable ends
None — flat or hip roof line
One gable
Two gables
Gable width
Gable peak height
(above the wall top)
Surface condition
Smooth & sound — 350 sq ft/gal
Average siding — 300 sq ft/gal
Rough or porous (stucco, bare wood) — 200 sq ft/gal
Coats of paint
One coat
Two coats — the durable standard
Primer coat
Yes — bare or stained surfaces
No — sound paint, same color family
Calculate exterior paint
Calculator by
CalcCoverage
— free DIY & home-improvement calculators