Ird Mileage Rates 2024 Calculator. Use a logbook how to use a logbook to calculate the amount you can claim for business use of a vehicle. The internal revenue service has issued the 2024 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business,.

The tier 1 rates reflect an overall increase in vehicle running costs largely due to fuel costs. The rates are $1.04 for petrol, diesel, hybrid and electric vehicles for up to 14,000 km.