up to 57.5 cents standard mileage rate miles you drive mileage deduction MileIQ mileage log mileage log mileage driven for business purposes mileage deduction https://www.mileiq.com/blog/mileage-deduction/ MileIQ miles you drive $.54 for every mile you drive mileage log Mileage Deduction 101 standard mileage rate https://www.mileiq.com/blog/mileage-deduction/