Irs Fuel Mileage Rate 2025. The irs issued the 2025 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical, or moving. The rates are used to determine the deductible costs of using a vehicle for business, charitable,.

The rates are used to determine the deductible costs of using a vehicle for business, charitable,. If you use your car for business, charity, medical or moving purposes, you may be able to take a deduction based on the mileage used for that purpose.