FREE Car FBT Quick Check (Australia): Statutory Formula vs Log Book

Free web tool. FBT on one employer-provided car under the statutory formula and the operating cost (log book) method, which one is cheaper, and the after-tax employee contribution that would bring FBT to nil.

• FBT years 2025-26, 2026-27 and 2027-28
• Rates checked against the ATO on 24 October 2026
• Works on your phone or computer, in your browser. Nothing you type is sent anywhere.

It runs on the same engine as our paid Car Fringe Benefits Tax Calculator, and was tested against an independent calculation across 2,020 cases with 0 differences. The workbook adds the electric car and ute exemptions, employee-paid expenses, part years, GST on contributions, a plain-English summary and every source.

Built and checked by a CPA. Every formula tested against a separate calculation.

Designed by Plain Numbers Co with the help of AI tools. Listing images are designed previews of the actual file.

General information only, not tax, financial or legal advice. Check with a registered tax agent before you lodge your FBT return.