How Much Paint for a 4x4 Room?
For a 4x4 ft room with 8 ft ceilings, you need about 0.32 gal (gallons for the walls). Also: gallons to buy (whole): 1 gal; paintable wall area: 56 ft²; extra for the ceiling: 0.09 gal.
Paint Calculator for a Room
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| Gallons to buy (whole) | 1 gal |
|---|---|
| Paintable wall area | 56 ft² |
| Extra for the ceiling | 0.09 gal |
How this number is calculated
Walls = 2 × (4 + 4) × 8 ft = 128 sq ft, minus 2 doors (21 sq ft each) and 2 windows (15 sq ft each) = 56 sq ft. At 350 sq ft per gallon and 2 coats: 0.32 gallons.
Nearby sizes
| Size | Gallons for the walls |
|---|---|
| a 5x5 ft room with 8 ft ceilings | 0.50 gal |
| a 6x6 ft room with 8 ft ceilings | 0.69 gal |
| a 8x8 ft room with 8 ft ceilings | 1.05 gal |
| a 10x10 ft room with 8 ft ceilings | 1.42 gal |
Tips
- Two coats are standard when changing colors.
- Buy a bit extra for touch-ups, and keep the leftover labeled with the room and date.
- One gallon typically covers about 350–400 sq ft per coat; porous or dark surfaces take more.
Frequently asked questions
How much paint do I need for a 4x4 ft room with 8 ft ceilings?
For a 4x4 ft room with 8 ft ceilings, you need about 0.32 gal (gallons for the walls). Also: gallons to buy (whole): 1 gal; paintable wall area: 56 ft²; extra for the ceiling: 0.09 gal.
How is the quantity for a 4x4 ft room with 8 ft ceilings calculated?
Walls = 2 × (4 + 4) × 8 ft = 128 sq ft, minus 2 doors (21 sq ft each) and 2 windows (15 sq ft each) = 56 sq ft. At 350 sq ft per gallon and 2 coats: 0.32 gallons.
How much does paint for a 4x4 ft room with 8 ft ceilings cost?
Using rough planning prices (per gallon, depending on brand and finish), the material for a 4x4 ft room with 8 ft ceilings comes to about $30.00 to $70.00. Prices vary by region and supplier, so get a local quote.