The Painters Calculator provides paint estimates including the number of gallons needed and their cost for interior walls and ceilings. For convenience, a recent survey of the price of paint and primer is provided at the bottom of the page.
The functions in the Painters Calculator are as follows:
One should use the pricing for paint or primer that can be bought locally since prices may vary. However, the following prices are recent U.S. dollar costs for one gallon of paint or primer in the United States:
While the above prices are per gallon, other purchasing options commonly found in the United States include pints, quarts, and 2-gallon and 5-gallon buckets.
|Clark + Kensington
INTERIOR PAINT: The formulas estimates the amount of paint needed for individual walls, all the walls within a room (royal blue in diagram) and a ceiling (light blue in diagram). Each formula calculates the area to be painted based on the dimensions entered, and then estimates the amount of paint or primer needed for this area. A gallon of good paint typically covers 400 ft2. A gallon of primer typically covers 200 ft2..
EXTERIOR PAINT: The formula estimates the paintable surface area of a simple house (gabled). It computes the exterior square footage and reduces the amount by a factor of the number of doors and windows. Exterior paint is usually recommended to cover 300 ft2 per gallon.
PAINT PRICING: The Paint Price Survey pricing information is for several brands and updated monthly. The brands include: