Enter your room dimensions and get the exact gallons needed. Add multiple rooms for a full project estimate.
Total Gallons Needed
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Add a room below to calculate
Sq Ft to Paint
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Quarts
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Est. Cost
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Rooms
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⚙ Global Settings
📋 Shopping List
Add rooms above to generate your shopping list.
Pro painting tips
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Always buy 10% extra. Batch variations between cans are real, and you will need touch-up paint later. Better to return a can than run out mid-wall.
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Primer is not optional on new drywall or when going from dark to light. Skip it and you will need 3+ coats. With primer, 2 coats is usually enough.
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Flat vs eggshell vs satin: Flat hides imperfections (ceilings, low-traffic). Eggshell is best for most walls. Satin or semi-gloss for bathrooms, kitchens, and trim.
Ready to buy? Home Depot and Lowe's both offer free color matching and will mix any paint color in-store.