The IRS announced in December that the business standard mileage rate for 2012 will be 55.5 cents-per-mile, which is unchanged from the second half of 2011. The standard mileage rate for medical and moving expenses will be 23 cents-per-mile, reflecting a 0.5 cents-per-mile reduction from 2011. The statutorily-determined rate for the charitable deduction remains unchanged at 14 cents-per-mile for 2012.