Room Paint Calculator
Calculate exactly how much paint you need for your room. Get instant estimates for materials, DIY costs, and professional painting.
Room Dimensions
Doors & Windows
Paint Options
Additional Options
Paint coverage varies based on surface texture, color change, and application method. These calculations assume smooth walls with standard primer. Highly textured surfaces or drastic color changes may require additional paint.
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Frequently Asked Questions
How accurate is this paint calculator?
Our calculator uses industry-standard coverage rates and accounts for doors, windows, and multiple coats. Results are estimates - actual coverage may vary based on surface texture, paint color changes, and application method.
Should I buy extra paint?
We recommend buying 10-15% extra paint for touch-ups and to account for waste. Our calculator already rounds up to the nearest gallon, but having extra ensures color consistency for future touch-ups.
What paint finish should I choose?
Flat/matte is ideal for ceilings and low-traffic areas. Eggshell works great for living rooms and bedrooms. Satin and semi-gloss are better for kitchens, bathrooms, and trim as they're easier to clean.
Why is professional painting worth the cost?
Professional painters provide proper surface preparation, use higher quality materials, and ensure even coverage. Our prep-heavy methodology includes repairing walls before painting, resulting in a finish that lasts longer and looks better than most DIY projects.
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Get a free, no-obligation estimate from Phoenix's trusted painting professionals.