Paint Cost Calculator
Calculate total paint cost from area, coverage rate, and price per gallon.
How It Works
Enter the area to paint, how many sq ft a gallon covers, the price per gallon, and number of coats. The calculator shows total gallons and total cost.
Formula
Cost = (Area / Coverage per gallon) × Price per gallon × Coats
Frequently Asked Questions
How much does it cost to paint a room?
For a 12×12 ft room with 8 ft ceilings, you need roughly 2 gallons. At $30–$60 per gallon, expect $60–$120 for paint alone.
Does coverage change by paint type?
Yes. Flat/matte paint covers around 400 sq ft/gallon; premium paint 350; primer 300–350.