Find exactly how many gallons you need — walls, ceiling, and trim.
One gallon of paint covers approximately 350–400 square feet with one coat. For two coats, you'll need double the amount.
Add up the total wall area (perimeter × height), subtract doors and windows, then divide by the coverage rate of your paint.
Yes — always add 10% extra for touch-ups, waste, and uneven surfaces.
Create task lists, track progress, and stay on schedule.
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