2024 Mileage Rate Increase. Washington — the internal revenue service today issued the 2024 optional standard mileage rates used to calculate the deductible. The 2024 irs mileage rates have been set at 67 cents per mile to accommodate the economic changes over the past year.

Also out on 30 may 2024 was the square metre rate for the dual use of premises for the 2024 income year. The standard mileage rate will increase to 67¢ per mile for business miles driven beginning january 1, 2024,.