The optional standard mileage rates have changed for 2016.  The new rate for business miles is 54 cents per mile.  The new rate for medical or moving miles is 19 cents per mile.  The rate for charitable miles will stay at 14 cents per mile.  These rates go into effect January 1, 2016 and will be used to calculate deductions on 2016 tax returns.  Actual costs of using a vehicle can be used instead of the standard mileage deduction. More details can be found here.