These spreadsheets will determine your selling price for all of the above-mentioned services. After entering your specific job site specifications your selling price will be calculated automatically. A printable estimate is included to give to your client. Our “Know why you charge what you charge” spreadsheet is recommended in combination with this Quick Estimator. The “Know why you charge what you charge” spreadsheet will calculate your cost per hour of operation for your company. Then, that information can be entered into the quick estimator.