Once you have all of these measurements down subtract the area of the windows and doors from the total area of the wall.
Find the area of a room to paint.
W x h area in square feet 360 approximate square footage covered by one gallon of paint area 360 of gallons needed to paint your project.
On average homeowners throughout the u s.
Follow the instructions below to calculate how much paint you ll need.
Choosing a finish is an important part of the painting process.
Measure the total distance perimeter around the room.
Your paint calculation will update if you change the number of desired coats of paint.
The paint calculation formula is as easy as determining how many gallons of paint are needed for one coat on the walls in the room.
Spend between 1 804 and 2 406 for a professional painting.
Account for door and window areas.
Precise paint needs will vary according to many factors including application method.
If more than one room is being painted with the same color add up the total square footage.
Click the button to calculate the amount of paint and man hours needed for this job.
For example in room whose wall surface area is 700 square feet there are 2 doors and a window.
Subtract the surface area of doors including the frame and windows when calculating how much paint you ll need.
To determine the area of a triangle multiply the base length by the height length and then divide by two.
To find the area of a wall we multiply wall height x wall width.
Use this to adjust the values in the paint coverage section below.
These calculations are not intended to give more than a rough estimate.
Cost to paint an interior room.
The cost to paint the inside of your home will be dependent on the number of rooms you want to paint.
To help we ve added an example.
The estimate divides the total square footage by 350 as one gallon of paint covers 350 square feet.
15 ft x 2 50 ft.
Next use the same formula to record the individual area of windows and doors.
The room has two doors and two windows.
A room that is 10 x 15 feet with an 8 foot ceiling.
Interior paint coverage depends on the brand of paint used.
Square footage is a measurement of the area of a room or other type of space expressed in feet square ft 2 while each geometrical figure has a different formula for calculating its area most rooms have an approximately rectangular shape.
The coverage amount is listed on the label of the paint can.
Before you or your contractor buy paint find out exactly how much you ll need.
To find the amount of paint you need per wall use this simple formula.
This will help you calculate how much paint or wallpaper you need for a room without having lots of excess when you re finished.
One gallon of paint is often enough for a tiny space such as a.