Mileage Rate 2024 Washington State. 1, 2024, the standard mileage rate for the business use of a car (including vans, pickups, and panel trucks) is 67 cents per mile. $0.67 cents per mile driven for business use, up 1.5 cents from 2023.

Other states and jurisdictions like iowa,. The mileage rate increased on january 1, 2024.