Irs Personal Mileage Rate 2025. You can use this mileage reimbursement calculator to determine the deductible costs associated with running a vehicle for medical, charitable, business, or moving. 14, 2023 — the internal revenue service today issued the 2025 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes.

21 cents per mile for medical and military moving purposes. This rate will apply beginning on january 1,.