## Best answer

400 square feet

## People also ask

### How many gallons of paint do I need to paint a house?

Two gallons cover up to 800 feet, which would do two coats on an average-sized room. This is the most common amount of paint people buy, allowing them to paint, say, a living room with two coats. If you鈥檙e doing one large room or two average rooms next to each other, you鈥檒l need three cans. That will cover up to 1,200 square feet.

### How do you measure a square foot for paint?

Measure its length and height, and multiply those figures to get the square footage. Since a gallon of paint covers 350 square feet, divide the total square footage by 350. Round up to the nearest gallon. For example, if the walls of the room are 60 feet long and 10 feet high, the area is 600 square feet.

### How many square feet are in a gallon of primer?

Use this to adjust the values in the Paint Coverage section below. Paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon). Use the Area section below to calculate the walls and ceiling values.

### How many square feet can you get out of a gallon?

As a painting pro will tell you, you can get about 400 square feet out of one gallon. That鈥檚 the size of a 20-by-20 room, which is the equivalent of a typical two-car garage or a small studio apartment. However, most paint jobs require more than one coat. That means you鈥檒l need to figure the number of coats into your calculations.