Australia fuel taxes

Fixed duties and percentage taxes work differently. These records preserve effective dates and unresolved checks.

Amounts are in local currency per litre. Percentage entries are recomputed from each observed price. Snapshot dates are identified in the notes.
Tax / fuel	Rate	Effective from	Through	Status and source
Excise Fixed gasoline	AUD 0.5370/L	2026-08-03	Open / check source	Source verified 53.7 cents/L from 2026-08-03. Commonwealth Gazette Notice No. 3 (2026), items 10.5 and 10.10. Confirmed by ACCC 2026-08-21 report.
Sales Tax Pct gasoline	10%	2000-07-01	Open / check source	Source verified GST is 10% of the taxable price. GST within a tax-inclusive price is price/11.
Excise Fixed diesel	AUD 0.5370/L	2026-08-03	Open / check source	Source verified 53.7 cents/L from 2026-08-03. Commonwealth Gazette Notice No. 3 (2026), items 10.5 and 10.10. Confirmed by ACCC 2026-08-21 report.
Sales Tax Pct diesel	10%	2000-07-01	Open / check source	Source verified GST is 10% of the taxable price. GST within a tax-inclusive price is price/11.

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Common questions

Does a percentage tax stay fixed in cents per litre?

No. VAT, GST and sales taxes vary with their taxable base. For a tax-inclusive price and one rate r, the tax amount is price × r / (1 + r).

Why are some tax records marked unverified?

A published summary can omit a local levy, a tax-base rule or an effective date. Unverified records are not treated as a complete statutory tax stack.