Calculation Of Business Use Of Home ExpensesFebruary 2, 2026 Calculation of Business Use of Home Expenses \n \n\n\n\n \n Calculation of Business Use of Home Expenses \n\n \n Total square footage of your home\n \n \n \n\n \n Square footage of the space used for business\n \n \n \n\n Calculate\n Reset\n\n \n Results \n Home business percentage: % \n Business use of home deduction: \n \n \n\n\n\n\n