35+ Cost Per Square Foot To Paint Interior Walls. One gallon of paint covers approximately 400 square feet. If you're doing the ceilings, walls and trim, the cost per square foot will likely fall between $3 and $4.
Estimate the cost of materials. A gallon of interior paint covers on average 400 square feet. Three gallon cans of paint cover up to 1200 square feet.
Interior painting cost calculator estimates how much it costs to paint the interior of your house per square foot.
Prices in london are likely to be a little higher. What is the interior painting cost per square foot? Windows average 15 square feet (there are two in this example): In this blog we discuss how much it costs to paint our price for painting two coats on the walls of the noted areas is about $4,000 to $4,500.