Mileage Rate 2024 Washington State 2024. $0.67 cents per mile driven for business use, up 1.5 cents from 2023. 67 cents per mile driven for business use, up 1.5 cents from 2023.

For 2024, employers in washington state may choose to adopt the irs mileage rate to ensure fair compensation. For 2024, the standard mileage rate is the following: