Irs Mileage Reimbursement 2025 Rate. The standard mileage rate is 21 cents per mile for use of an automobile: You can use this mileage reimbursement calculator to determine the deductible costs associated with running a vehicle for medical, charitable, business, or moving.

65.5 cents per mile for. The irs bumped up the optional mileage rate to 67 cents a mile in 2025 for business use, up from 65.5 cents for 2023.