Construction Calculator iPhone app enables the user to estimate the quantity of materials along with the cost of those materials that will be required to complete the home or office repair project. Besides calculations themselves the Construction Calculator will provide graphics allowing the household owner or installer/estimator to layout the coverage area for the project. User can create, edit and delete projects, as well as access stand alone calculators, manage material list used in calculations etc. The application also provides the ability to search the database for competitive or alternative supplier and to search for “How to Do It” documents and video hosted on the customers’ website.