Paint Calculator

This Paint Calculator will help you estimate how many gallons you will need to paint your interior walls and ceiling. It will also provide an estimate of what a painting contractor might charge in labor to paint the room, based on a fee of between $1 - $3.50 per square foot.

Room Height
Feet
Inches
Room Length
Feet
Inches
Room Width
Feet
Inches
Number Of Windows
Number Of Doors
Paint Coverage
Square Feet Per Gallon
Primer Coverage
Square Feet Per Gallon
Coats
Answer
The square footage of the walls in this room is minus square feet for doors/windows, equalling square feet of wall space.
The ceiling is approximately square feet.
The total square footage of this room (walls and ceiling) is .
Approximately gallons of primer will be needed for the entire room.
gallons of paint will be needed for the walls and gallons of paint will be needed for the ceiling.
A painting contractor might charge between and in labor to paint this room.

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