How Many Square Feet Does A Gallon Of Ceiling Paint Cover?

How Many Square Feet Does A Gallon Of Ceiling Paint Cover? One gallon of Ceiling Paint will cover approximately 350-400 square feet. One gallon of Primer will cover approximately 225-275 square feet. How much paint do I need for a 12×12 ceiling? How much paint is needed for a 12’x12′ room? You’d need about 1.5