Paint Coverage Calculator

Bidding a paint job and need to know how many gallons to quote? Enter wall dimensions, pick your paint type and surface condition, and get gallons per coat with door and window deductions — so your material order matches reality. Enter number of walls, height, and width, or input total square footage directly. Select from 14 paint types (interior flat through epoxy floor) and 4 surface conditions. Automatically deducts standard door and window areas. WHAT IT CALCULATES: - Total wall area with door and window deductions - Adjusted area based on surface condition (smooth, normal, rough, porous) - Gallons per coat and total gallons for all coats - Spread rate reference for each paint type - Multi-coat estimation (1 to 4 coats) PAINT TYPES INCLUDED: Interior: Flat, Eggshell, Satin, Semi-Gloss, High-Gloss Exterior: Flat, Satin, Semi-Gloss Specialty: Primer, Stain-Blocking Primer, Ceiling, Deck/Floor, Masonry/Stucco, Epoxy Garage Floor Built for painters, contractors, and property managers. Works offline.