Standard Mileage Rate 2024 Tennessee Mileage Rate. Effective january 1, 2023, the mileage reimbursement rate increased from $0.625 per mile to $0.655 per mile. 67 cents per mile driven for business use, up 1.5 cents.

The new rate kicks in beginning jan. The rate beginning january 1, 2023 has been increased to 65.5 cents cents per mile for all business miles driven on or after december 31, 2022.