When you hire an expert painter, the painter will spend a lot of time scraping off old paints from the surface of the house and performing all necessary preparation. Labour significantly affects the cost of house painting. Several factors affect the cost of painting a house. For an exterior painting that requires double coats, the gallons of paint will be multiplied by two. The final formula for calculating the cost of painting a house is Square feet of paintable area divided by square feet of paint coverage = the gallons of paint. One gallon of paint can cover an average of 350 square feet however, note that painting the exterior of the building requires 2 layers of paint, so you’ll need a double quantity of paint. Once you have the measurements of the paintable area, the next step is to divide the paintable area by the coverage of a gallon of paint. The result you get is the paintable area. After that, you can then subtract the areas of the windows, doors, and other architectural designs from the measurements of the finished area. To get the paintable area, you first need to get the measurements of the finished area (total measurements of the perimeter of the house multiplied by the height of the building). ![]() ![]() To begin the calculation, find out about the area’s measurements that require painting (paintable area). Learning about the calculation of the cost of painting a house will enable you to create a budget and compare it with the price quote from your professional painter.
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