Tax Return Tool - Individual Car Logbook
Capture the vehicle and trip details the ATO asks for under the logbook method and export a complete record to CSV.
This tool does not save your data. Your entries are cleared when you close or refresh this page. Export to CSV before you leave.
Disclaimer: This tool is a record-keeping aid only and is not financial or tax advice. The logbook method involves specific ATO rules and individual circumstances vary. A completed logbook does not guarantee a valid deduction claim. Always confirm the requirements with a registered tax agent or the ATO. Evercend Pty Limited does not hold an Australian Financial Services Licence.
The logbook method lets eligible taxpayers work out the business-use percentage of a car and apply it to car expenses. The ATO requires a logbook kept over a continuous 12-week period that represents typical use. This tool helps capture the details the ATO asks for. It is a record-keeping aid, not tax advice, and it does not guarantee a valid claim.
Part 1 — Vehicle and logbook period details
The ATO requires a continuous 12-week (84-day) period that is representative of your typical use.
Part 2 — Trip log
The ATO requires all trips to be recorded, not just business trips. Include a specific purpose for each business trip; a general description such as “business trip” alone may not be sufficient detail.
No trips recorded yet.
Use “Add trip” to start recording. All trips must be entered, including private ones.
Part 3 — Results
Total kilometres
0
all valid trips
Business kilometres
0
Type = Business
Private kilometres
0
Type = Private
Business-use percentage
--
Add trips to calculate
ATO formula
business km / total km x 100
Result will appear here
This percentage is applied to total car expenses for the income year to work out the deductible portion. Keep records of car expenses and this logbook for 5 years from the date of lodgment of the relevant tax return.
This tool does not save your data. Your entries are cleared when you close or refresh this page. Export to CSV before you leave.
Export your logbook to CSV
Includes vehicle details, all trip rows, and the summary block. Filename: car-logbook-export.csv
Sources and references
Reviewed and checked on 12 August 2026.