How Many Gallons Of Paint Per Wall. Double you answer form 3, that is how much paint you need.i divide that by about 300 sq ft per gallon coverage.27 gallons, which sounds like some purchases i have made for such jobs. How many gallons to paint a 4300 square foot house?
To paint a properly prepped surface you need 1 gallon per 500 sq ft.
To help, we've added an example: Everything you need to know about paint coverage, including how much a gallon of paint covers, and how to calculate exactly how much paint you need. Most paint manufactures estimate paints covering from 200 square foot (sq. Double you answer form 3, that is how much paint you need.i divide that by about 300 sq ft per gallon coverage.27 gallons, which sounds like some purchases i have made for such jobs.