Mileage Rate 2025 Washington State Highway. You can use this mileage reimbursement calculator to determine the deductible costs associated with running a vehicle for medical, charitable, business, or moving. * airplane nautical miles (nms) should be converted into statute miles (sms) or regular.
$0.67 cents per mile driven for business use, up 1.5 cents from 2023. The optional standard mileage rate will be going up by 1.5 cents per mile in 2025, due partly to the price of gasoline.