Follow the instructions below to calculate how much paint you ll need.
Find the area of a room to paint.
Interior paint coverage depends on the brand of paint used.
The estimate divides the total square footage by 350 as one gallon of paint covers 350 square feet.
Next use the same formula to record the individual area of windows and doors.
The coverage amount is listed on the label of the paint can.
To find the amount of paint you need per wall use this simple formula.
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.
1 door including frame measures 4 feet 1 2 m wide by 8 feet 2 4 m tall.
On average homeowners throughout the u s.
A room that is 10 x 15 feet with an 8 foot ceiling.
Use this to adjust the values in the paint coverage section below.
Subtract the surface area of doors including the frame and windows when calculating how much paint you ll need.
Your paint calculation will update if you change the number of desired coats of paint.
Once you have all of these measurements down subtract the area of the windows and doors from the total area of the wall.
This will help you calculate how much paint or wallpaper you need for a room without having lots of excess when you re finished.
The cost to paint the inside of your home will be dependent on the number of rooms you want to paint.
Spend between 1 804 and 2 406 for a professional painting.
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.
Account for door and window areas.
15 ft x 2 50 ft.
Cost to paint an interior room.
One gallon of paint is often enough for a tiny space such as a.
Measure the total distance perimeter around the room.
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.
Precise paint needs will vary according to many factors including application method.
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.
How to calculate square footage.
The room has two doors and two windows.
Choosing a finish is an important part of the painting process.
To help we ve added an example.
If more than one room is being painted with the same color add up the total square footage.
These calculations are not intended to give more than a rough estimate.