2024 Irs Mileage Reimbursement Rate Increase. The 2024 business mileage rate has increased to 65.5 cents per mile, a rise of 1.5 cents from the previous year. The irs optional standard mileage reimbursement rate will increase to 67 cents per mile driven for business use, which is up 1.5 cents from 2023.

The following federal law changes took effect on january 1, 2024. Mileage reimbursement rates vary depending on the category of trip someone is making.