Paint Cost Calculator

Enter your room dimensions, trim, windows, and doors to estimate total painting costs, then compare DIY material expenses against professional painter rates.

Room Perimeter (ft)

Wall Height (ft)

Ceiling Length (ft)

Ceiling Width (ft)

Trim Linear Feet

Number of Windows

Number of Doors

Number of Coats

Waste Factor (%)

DIY Pricing (edit to match local rates)

Wall Paint ($/gal)

Ceiling Paint ($/gal)

Trim Paint ($/gal)

Primer ($/gal)

Supplies (rollers, tape, etc.)

Professional Rates (edit to match local quotes)

Walls ($/sq ft)

Ceiling ($/sq ft)

Trim ($/lin ft)

Wall Area (net)

365 sq ft

402 sq ft with waste

Ceiling Area

168 sq ft

185 sq ft with waste

Total Paint

5 gal

+ 3 gal primer

Cheapest Option

DIY

$286.00

Purchase Option	Quantity	Est. Cost
DIY (5 gal total)Best value	5 gal total	$286.00
Professional (559 sq ft)	559 sq ft	$1,639.00

Cheapest option: DIY at $286.00 (save $1,353.00)DIY painting saves you $1,353.00 compared to hiring a professional. You will need 3 gal wall paint, 1 gal ceiling paint, 1 gal trim paint, and 3 gal primer. Budget a full weekend for prep, priming, and two coats.

This is a cost estimate only. Actual paint coverage varies by wall condition, texture, color change, and paint quality. Professional rates vary by region, scope, and prep work required. Always get multiple quotes and verify paint coverage specs on the can.