Use the area section below to calculate the walls and ceiling values.
Calculate gallons of paint for room.
The estimate divides the total square footage by 350 as one gallon of paint covers 350 square feet.
Paint usually is applied at 350 to 400 square feet per gallon primer at 200 to 300 square feet per gallon.
Estimate the required number of gallons or litres of paint with this easy to use calculator for how much paint you need.
Estimates range between 350 to 400 square feet per gallon of paint on smooth interior plaster walls.
Free online paint calculator for your painting projects.
The paint calculator allows you to specifiy windows number and size and number of doors and it supports custom paint efficiency spreading rate.
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.
Precise paint needs will vary according to many factors including application method.
One gallon can of paint will cover up to 400 square feet which is enough to cover a small room like a bathroom.
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.
If you want to paint doors door frames baseboards and the ceiling the.
If more than one room is being painted with the same color add up the total square footage.
Three gallon cans of paint cover up to.
Calculate the amount of paint you ll need to paint the room.
This is the most common amount needed especially when considering second coat coverage.
In this example you would need slightly less than 2 gallons of paint to cover the walls with a single coat.
External or internal rooms or exterior walls.
The coverage amount is listed on the label of the paint can.
Your paint calculation will update if you change the number of desired coats of paint.
Use this to adjust the values in the paint coverage section below.