When estimating the cost painters start by finding the coverage area which tells them how many gallons they ll need.
Gallons of paint per room.
Precise paint needs will vary according to many factors including application method.
Paint usually is applied at 350 to 400 square feet per gallon primer at 200 to 300 square feet per gallon.
Most professionals use the formula of 350 to 400 square feet of wall coverage per gallon of paint and 200 square feet of wall coverage per gallon of primer.
474 350 1 4 for this example you want to buy 1 gallon and 2 quarts of paint for a single coat.
To estimate how much paint your project requires determine the measurements of the room you plan to paint and round it to the nearest foot.
These calculations are not intended to give more than a rough estimate.
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.
The cost to paint an average size room 10x12 ranges from 200 to 800.
The coverage amount is listed on the label of the paint can.
One gallon can of paint will cover up to 400 square feet which is enough to cover a small room like a bathroom.
Divide this figure by the paint coverage 350 square feet per gallon and the result is the number of gallons to purchase.
This is the most common amount needed especially when considering second coat coverage.
If more than one room is being painted with the same color add up the total square footage.
To ensure you will have enough paint do not worry about excluding areas not to be painted such as windows and doors.
The coverage amount is listed on the label of the paint can.
Use this to adjust the values in the paint coverage section below.
Select the shape of your room.
Find the area of the walls.
One gallon of paint covers approximately 400 square feet.
Your paint calculation will update if you change the number of desired coats of paint.
Two gallon cans of paint cover up to 800 square feet which is enough to cover an average size room.
These calculations assume 2 coats of paint and do not include the ceiling.
The final step is to find the coverage ratio of your paint and calculate the number of gallons needed to cover the total square footage.
Cost to paint a room.
Paint usually is applied at 350 to 400 square feet per gallon primer at 200 to 300 square feet per gallon.
Windows and doors.
They find the area with a few simple steps.
Interior paint coverage depends on the brand of paint used.
On the right hand side of the calculator you can select how many windows and or doors are in the room.