Irs 2024 Mileage Reimbursement. At the end of last year, the internal revenue service published the new mileage rates for 2024. For 2023, the standard mileage rate for the cost of operating your car for business use is 65.5 cents ($0.655) per mile.

You can opt for the irs standard mileage rate of 67 cents (the rate for 2024) or set your own flat rate, which can be higher or lower than the standard irs rate. 67 cents per mile for business purposes.