Irs Per Diem Rates 2024 Mileage. This deduction is limited to the regular federal per diem rate (for lodging, meals, and incidental expenses) and the standard mileage rate (for car expenses) plus. Companies may prefer per diem for its.

17 rows find standard mileage rates to calculate the deduction for using your car for. For 2023, the mileage rate is $0.655 per mile, and for 2024, $0.67 per mile.