Paint Calculator

How much paint do I need?

 

You will have to input some data into the paint calculator. It includes:

  • Room dimensions: you need to type in the length, width and height of the room you are going to paint. If your room has a different shape that a rectangular cuboid, you can also input the surface area directly into the paint estimator. The value calculated automatically takes into account the walls only.

  • Doors: you can leave the default dimensions of doors or customize them. One you will type in the amount of doors in the room, the paint calculator will find their total area automatically.

  • Windows: again, you can choose the default dimensions or type in custom ones. If you have windows of different sizes in your room, you can also calculate the total area manually and input this value into the appropriate box.

  • Number of coats: by default, our calculator finds the amount of paint required for one layer, but you can determine the number of coats yourself.

  • Paint efficiency: this number should be written on the paint can, expressed in m²/l or ft²/l.

  • Cost per unit: Optionally, you can input the cost of a unit of paint (cost per liter or per gallon). The paint calculator will automatically find the total cost of paint.

 

 

Is the paint estimation accurate?

Obviously, it won't be a hundred percent accurate. If the surface is porous or rough, it will require additional paint - up to 20%. Similarly, complicated fittings require extra paint.

You also need to add some paint - up to 30% - if you are painting a surface for the very first time for preparation work.

Lastly, our interior paint calculator does not include the ceiling, so if you want to include it, you need to plan some extra paint for that.

Locally owned and operated since 1922, Hometowne Building Supply has served Kingsford, MI, for nearly 100 years. Hometowne Building Supply offers everything you need from the foundation through the roof, with a reputation for quality and service. We proudly serve and support our community by providing the best quality products at the best value.
Located in the western portion of Michigan's Upper Peninsula, Hometowne Building Supply serves Kingsford, MI, and the surrounding counties of Marinette, Florence, Delta, Marquette and Menominee, as well as all of Dickinson County and Iron County. Both northern Michigan and Wisconsin homeowners know Hometowne Building Supply is the most complete building provider in the area!

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