Paint Calculator
Calculate gallons of paint needed for a room. Accounts for doors, windows, and number of coats.
Paintable Area
333 sq ft
Gallons Needed
2
Estimated Cost
$70.00
Paint Calculation Breakdown
| Total Wall Area | 384 sq ft |
| Doors (1 x 21 sq ft) | - 21 sq ft |
| Windows (2 x 15 sq ft) | - 30 sq ft |
| Paintable Area | 333 sq ft |
| With 2 Coat(s) | 666 sq ft |
| Gallons Required | 1.90 gal |
| Gallons to Buy (rounded up) | 2 gal |
| Estimated Cost ($35/gallon) | $70.00 |
Use the Paint Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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