How Much Paint for a 12×12 Room?

A 12×12-foot room with 8-foot ceilings has about 384 square feet of wall. After subtracting a typical door and window, painting it takes about 2.0 gallons of paint for two coats. The calculator below is pre-filled with these numbers — adjust the wall area, openings, or coats for your room.

Frequently asked questions

How much paint for a 12×12 room?
A 12×12-foot room with 8-ft ceilings has about 384 sq ft of wall, needing about 2.0 gallons of paint for two coats after subtracting a door and window.