Free calculator
Paint Cost Calculator
Free Paint Cost Calculator with instant browser-based results and a clear calculation breakdown.
🎨 Paint Cost Calculator
Calculate the total cost of paint needed for your project. Enter the dimensions of your walls, coverage rate, and paint price to get an accurate estimate.
Combined length of all walls to be painted
Height from floor to ceiling
Total area to subtract (not painted)
Typical range: 250-400 sq ft per gallon
Cost of one gallon of paint
💰 Total Paint Cost
$0.00
📐 How It's Calculated
Step 1: Calculate paintable area = (Wall Length × Wall Height) - Doors/Windows AreaStep 2: Adjust for coats = Paintable Area × Number of Coats
Step 3: Calculate gallons needed = Total Area ÷ Coverage per Gallon
Step 4: Calculate cost = Gallons Needed × Price per Gallon
Note: This calculator provides estimates. Actual paint needs may vary based on surface texture, paint type, and application method. Consider purchasing extra paint for touch-ups.
Want to understand the calculation?
Read the guideSee examples, formula notes and limitations.