Project ticket
How much paint for a 20x15 living room?
The initial 20×15 ft room with 8 ft walls, two doors, two windows, and two coats estimates 3 whole gallons of finish paint at 350 sq ft/gal per coat. Adjust the inputs for your room.
Start with your measurements
Size up your project
Example values are filled in. Replace them with your project measurements.
Walls only. Each door deducts 21 sq ft and each window 15 sq ft; compare these assumptions with your openings.
Before you order
- Confirm paint coverage, finish and coats for the surface.
- Ask whether primer is needed and calculate it from its own coverage.
Quantities to confirm
Paint purchase sheet
- Interior finish paint2 coat(s) over net wall area at 350 sq ft/gal; round up to whole gallons.
- 3gal
- Primer, if neededConfirm whether primer is required, its coat count and product coverage.
- Confirmgal
What this estimate assumes
- Walls only. Door allowance: 21 sq ft each; window allowance: 15 sq ft each. Net wall area: 488 sq ft.
- Coverage is the entered 350 sq ft/gal/coat. Whole gallons do not specify can size. Primer need, coats and coverage are unconfirmed.
Name your project & add notes Optional
Includes your quantities, assumptions and space to record the supplier, confirmed quantity, quote and delivery. No account required.
How to check this list before buyingKeep colors and surfaces separate
The starting example has 560 sq ft of walls and 488 sq ft after the stated opening deductions. It covers walls only. Calculate accent colors, ceilings, and trim separately.
Use the chosen paint's coverage and confirm any primer requirement independently. Record the product, color, sheen, and room when you save your purchase PDF.