Paint Cost Calculator
What will the paint cost for a given area? Enter the square footage and coats, pick the brand, finish, surface and region, and get a low–high cost range.
Wall area minus doors and windows. A 12 × 10 ft room with 8 ft ceilings is about 350 sq ft of wall.
Cost to paint 400 sq ft (2 coats)
$48–$131 — estimated paint cost (materials only)
2.00–2.50 gal — 7.6–9.5 L
That is $0.12–$0.33 per sq ft (37.2 sq m total) for paint alone — labour, primer, tape, rollers and brushes are extra. Coverage: 350–400 sq ft/gal; price: $24–$52 per gallon.
Estimate — check the can label and current shelf price. Coverage varies by brand, finish and surface, and prices vary by store and region. The range above is a planning figure, not a quote.
Formula used: Cost = gallons × price per gallon. Gallons = area × coats ÷ coverage (sq ft/gal). Price per gallon comes from the brand's range, adjusted for finish and region.
How this estimate works: Paint cost is gallons times price per gallon, and both are ranges: coverage depends on the surface (porous masonry can halve coverage versus smooth drywall) and price depends on brand, finish and region. The low end assumes good coverage and the cheapest line in the brand; the high end assumes thirsty surfaces and the premium line.
How the paint cost calculator works
Paint cost is gallons times price per gallon, and both are ranges: coverage depends on the surface (porous masonry can halve coverage versus smooth drywall) and price depends on brand, finish and region. The low end assumes good coverage and the cheapest line in the brand; the high end assumes a thirsty surface and the premium line. The figure covers paint only — primer, labour, tape, rollers and brushes are extra. Estimate — check the can label and current shelf price.
Try next: Paint Calculator · Ceiling Paint Calculator · Trim and Door Paint Calculator
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