Mileage Rate 2025 Indiana. Mileage rate increases to 67 cents a mile. The internal revenue service has issued the 2025 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable,.

The irs has released the standard mileage rates for 2025. The indiana worker’s compensation act bases the mileage rate on what the state of indiana pays to its employees who have to travel.