What does paint cost per gallon? A: Costs for paint can vary dramatically. A lower-quality gallon of flat finish paint will typically cost in the vicinity of $15, but high-end paints can cost as much as

**$30**or $40.Moreover, how do you know how much paint to buy?

Multiply the length of the ceiling times its width to find its area. 2. Divide that number by 350 (the estimated square feet covered per gallon) to

**figure out**how many gallons of**paint you need**. For this example,**you**want to buy 1 gallon of ceiling**paint**for a single coat.How many gallons do I need to paint my house?

A 2,100 square-foot home will take about

**12 gallons**of paint (high-quality paint covers about 350 square feet in two coats). 2,100 / 350 =**6**x 2 =**12 gallons**. Always double the number you'll need because it takes two coats to cover a home exterior.How much does a gallon of Sherwin Williams paint cover?

Manufacturers typically say that

**one gallon**of paint covers 250 to 400 square feet. That's a pretty wide range, largely due to the fact that different surfaces take paint differently. If you are painting a smooth surface, chances are you can stretch a gallon to cover 400 square feet.