Project & How-To Calculators

Project Calculators

Take advantage of our handy and easy-to-use project calculators to automatically estimate the amount of materials you need for popular home improvement projects. You may never buy more materials than you need again.

Air Conditioning Calculator

Air Conditioning

Estimate the cooling capacity you'll need to cool any room in your home.


 

Carpet Calculator

Carpet

Estimate the number of yards of carpet you'll need to cover any floor in your home.


  

Ceramic Tile Calculator

Ceramic Tile

Calculate the number of ceramic and border tiles needed to cover any surface.


  

Drywall Calculator

Drywall

Get fast answers on how much drywall you need for your next project.


 

Grass Seed Calculator

Grass Seed

Tell us the size of your lawn, and we'll estimate the amount of grass seed you need.


 

Insulation Calculator

Insulation

Calculate how much insulation you need and the best R-Value for your home.


 

Paint Calculator

Paint

Accurately estimate the amount of paint you need to cover your walls and trim.


 

Wallpaper Calculator

Wallpaper

Determine the number of rolls you'll need to cover any or all of the walls in your room.


 

Flooring Estimator