On December 14, 2017, the IRS issued the 2018 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes. Beginning January 1, 2018, the standard mileage rates for the use of a car (also vans, pickups, and/or panel trucks) is $0.545 per mile (up from $0.535 in 2017). Read more here.