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4 July 2023 - 5 min read

ATO Mileage Reimbursement Guide

Welcome to our ATO guide to mileage and deductions in Australia.  

With Driversnote you can create and share your vehicle log book with the ATO or your employer with ease. Try the automated logbook app for free. 

Mileage reimbursement rules

Depending on your employment situation, there are different methods you can receive compensation for your business driving. Read on to see what methods apply to you and how to choose the best one.

Firstly, there are general rules set by the ATO that you need to be aware of.

The ATO cents per km rate

The cents per km rate is set each year by the ATO. The newly confirmed rate for the 2023/2024 tax year is $0.85 per business-related kilometre. Learn more about the new cents per km 2023/2024 rate.

The rate is meant to cover all expenses of owning and running your vehicle for the business portion of its use.

Find the 2022/2023 cents per km rate if you will be claiming your business travel.

Eligible vehicles

The ATO defines a car eligible for mileage reimbursement as a motor vehicle (excluding motorcycles and similar vehicles) designed to carry a load of less than one tonne and less than nine passengers. You might be able to receive reimbursement for your business-related driving with vehicles that don’t fall within the above definition. Read on based on your situation to find out how.

Work-related travel

The ATO defines work-related driving that you can be reimbursed for. Some examples include:

  • Attending meetings or conferences away from your usual workplace
  • Collecting supplies or delivering items
  • Travel directly between two separate places of employment (for example, if you have a second job)
  • Travelling from your usual workplace or home to an alternative workplace (for example, a client’s office or worksite)
  • If your work can be classed as “itinerant work” – for example, if your job regularly requires you to work at more than one location each day before going home

Commuting from home to work is generally not claimable, but there are some limited exceptions.

For employees

As an employee in Australia, you might receive a car allowance from your employer for work-related car expenses, or you might be reimbursed on a cents per kilometre basis by your employer for those expenses.

While your employer decides on the scheme they use for reimbursing your work-related car expenses, there are general rules set by the ATO that have to be considered.

If you own or lease the vehicle you drive for business, there are two common options of reimbursement (depending on which your employer prefers).

Vehicle types

Your employer can select a reimbursement scheme no matter the type of vehicle you drive for work. However, if you deduct your motor vehicle expenses, you need to be aware that the ATO has different rules for cars and other motor vehicles. Read more about deducting work-related car expenses.

Cents per km

Your employer can use the ATO mileage rate for business travel instead of having you record all of your actual expenses. This way, you log your business-related kilometres and the only extra expenses you might need to record are things like parking costs and road tolls, rather than every cost associated with owning and driving your car.

As long as your total reimbursement amounts to that year’s ATO cents per km or less, your reimbursement is not taxed as income.

Use the calculator below to quickly work out your cents per km reimbursement.

What does the cents per km cover?

The cents per kilometre rate is meant to cover all costs you've incurred driving your vehicle for business purposes. These include fixed costs such as road tax, insurance and depreciation, and variable costs such as fuel, maintenance and repairs and tyres.

Car allowance

Your employer might offer you a car allowance - it is an allowance meant to cover the need for a company car. You can use the ATO car allowance to purchase a car or maintain your current one.

An ATO car allowance is paid upfront, and the amount is set by your employer. This allowance is considered a benefit, is to be paid towards your salary and taxed accordingly.

Note that the car allowance is not meant to replace reimbursement for your work-related car expenses. You will still be able to claim these on your annual tax return.

Check our car expenses for employees guide to learn more about the differences between a car allowance and a cents per km reimbursement.

If your employer doesn’t provide a reimbursement scheme

In case your employer doesn’t reimburse you at the cents per km rate for business-related travel expenses, even if they provide a car allowance, you will be able to claim deductions from the ATO.


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For sole traders

As a self-employed individual who has work-related car expenses, you can claim a deduction on your annual tax return.

There are three methods of calculating your claim for tax deduction purposes:

  • The cents per kilometre method
  • The logbook method
  • The actual costs method

The ATO cents per km method

The simplest method of claiming business-related driving is by using the ATO cents per km rate set by the ATO each year. All you have to do is keep track of the kilometres you drive throughout the year, and multiply them by the corresponding year’s cents per km rate. Keep in mind you can claim up to 5000 km per year with this method.

The logbook method

With the logbook method, you can claim your business travel expenses without any upper limit in kilometres, so long as they are business related. However, it requires more involvement than the simple cents per km method. This method can only be used by sole traders or partnerships claiming deduction for a car. To work out the amount you can claim, you need to:

  • Keep a logbook of all journeys
  • Work out the percentage of business use for your car
  • Keep track of your total work-related car expenses for the year

You can keep a logbook for 12 consecutive weeks and use it as proof of your business driving for five years, so long as your driving doesn't change much.

Then, you claim the percentage of expenses that corresponds to the percentage of kilometres throughout the year you've driven for business purposes.

The actual expense method

The actual expenses method can be used by companies and trusts, or sole traders and partnerships claiming business-related kilometres for vehicles other than a car.

To use this method, you need to keep receipts of all expenses for your vehicle and the annual number of kilometres you drive, same as with the Logbook method. However, you need to always keep an accurate logbook of your driving at all times to record your actual driving.

Learn more about each of the methods in our dedicated guide for sole traders.

How to calculate the percentage of business-related driving

If you drive your car for both business and private purposes, you need to work out the percentage of use that is for business, employees and sole traders alike.

To work out the business use in per cent, use the following calculation:

Let’s say you have driven a total of 6000 kilometres, 4500 of which are work-related. Divide the business kilometres by the total number of kilometres driven, then multiply by 100

4500 business km / 6000 total km = 0,75
0,75 x 100 = 75%
In this example, the car was driven for business purposes 75% of the time


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Keeping compliant logs for your reimbursement

You generally need to be able to show how you have worked out your business driving and the reimbursement or deduction you should receive. However, the logs you need to keep depend on your situation.

As an employee, your employer will define the details you need to log for your driving. This will depend on the method you are reimbursed at, and the records your employer needs for bookkeeping.

As a sole trader, it will again depend on the method you use for deducting work-related car expenses.

  • If you use the cents per km method, you don’t need to keep logs but you have to be able to show how you’ve worked out your business use and deduction should the ATO require it.
  • If you use the logbook method you will have to note down your driving quite extensively, including each trip you take, purpose, date, odometer readings at the start and end of each trip and keep receipts for all vehicle expenses. See our dedicated log book requirements for tax to find out everything you need to record in your logbook.
  • The actual expense method requires you to also keep track of all driven kilometres and all receipts related to your car expenses.

Finally, remember to keep your logs and receipts for 5 years.

Not located in Australia? Check out our other guides here:

- Mileage guide for the US (IRS mileage guide)
Mileage guide for Canada (CRA mileage guide)
- Mileage guide for the UK (HMRC mileage guide)
- Mileage guide for Denmark 
- Mileage guide for Sweden


You can claim 78 cents per business-related kilometre for the 2022/2023 tax year on your tax return. The ATO's new rate for 2023/2024 is 85 cents per kilometre.
Without receipts, you can claim up to 5000 kilometres in a year with the cents per kilometre method. You can claim 78 cents per kilometre for the 2022/2023 tax year.
In order to calculate your claimable car expenses with the cents per km method, simply multiply your business-related kilometres by the ATO rate - 85 cents for 2023/2024.

How to automate your mileage logbook

Manually filling out your logbook can get tedious - see how to automatically track trips for your mileage reimbursement or deductions.

This material has been prepared for general informational purposes only, and should not be taken as professional advice from Driversnote. You should consider seeking independent legal, taxation, or financial advice from a professional to check how this information relates to your own circumstances. Relevant laws also change from time to time.