Standard Mileage Rate 2024 Tennessee. The commissioner of finance & administration will. Click on any county for a detailed breakdown of the per.

The standard mileage rate for business use is based on an annual study of the fixed and variable costs of operating a car. The irs bumped up the optional mileage rate to 67 cents a mile in 2024 for business use, up from 65.5 cents for 2023.