Paint Tools

Coverage and material estimators for walls, ceilings, trim, and exterior surfaces.

Most Used

Paint Calculator (Walls)
Interior wall area with coats, deductions, and waste.
Primer Calculator
Estimate primer gallons from square footage, coats, and waste.
Exterior House Paint Calculator
Estimate exterior wall area, adjusted paintable area, and gallons.

All Paint Tools

Fence Paint Calculator
Fence area from length, height, sides, and coats.
Best for: Exterior surfaces
Deck Stain Calculator
Deck stain needs from area, coats, and waste.
Best for: Exterior surfaces
Paint Coverage Calculator
Estimate gallons needed from wall area, coats, and waste.
Best for: Coverage
Ceiling Paint Calculator
Estimate ceiling area and gallons needed with coats and waste.
Best for: Ceilings
Trim Paint Calculator
How much paint for trim using perimeter and trim height.
Best for: Trim
Paint Job Cost Calculator
Estimate total paint job cost from area, labor, and materials.
Best for: Costing

Paint Guides

Step-by-step planning references for paint quantity, prep, and cost decisions.

How Much Paint Do I Need? (Walls, Ceilings & Trim Guide 2026)
Contractor-friendly paint planning guide with room examples, formulas, and gallon ranges for walls, ceilings, and trim.
9 min read

View all paint guides →

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