What a 20-pack really costs in Australia in 2026
If you have priced a carton of cigarettes in Australia this year, you have seen the excise rate doing most of the talking. From 1 September 2026 the federal excise on factory-made cigarettes is $1.55274 per stick, and tobacco that is not in stick form — roll-your-own and loose leaf — is taxed at $2,587.90 per kilogram.
Those numbers come straight from the Australian Taxation Office’s published rates, and they are worth understanding before you hand over money to any seller, online or otherwise. Here is the arithmetic that sits behind the shelf price.
The tax inside a pack and a carton
| What you buy | Excise duty alone |
|---|---|
| 1 pack (20 sticks) | $31.05 |
| 1 carton (10 packs / 200 sticks) | $310.55 |
| 30g pouch, roll-your-own | $77.64 |
| 50g pouch, roll-your-own | $129.40 |
Excise is only the first layer. Add 10% GST and the retailer’s margin and the honest range for duty-paid stock lands around $40–45 for a 20-pack and $400 or more for a carton. Every lawful seller in the country is working from the same rate card, because the duty is paid on import or manufacture before the product moves.
Why the indexation moves twice a year
Tobacco excise is indexed to wage growth — the AWOTE (Average Weekly Ordinary Time Earnings) factor — and it changes every March and September. The September 2026 step used an indexation factor of 1.016, taking the per-stick rate from $1.52829 to $1.55274.
On top of that, loose tobacco has been through a separate multi-year adjustment. The “equivalisation weight” — the notional grams-per-stick used to convert loose tobacco into an equivalent number of cigarettes for duty — was reduced in stages from 0.7 grams to 0.6 grams, with the final stage taking effect on 1 September 2026. A smaller weight means more notional sticks per kilogram, so roll-your-own duty rose even before the headline rate moved. That has narrowed the old price gap between a pouch and a pack.
The tell-tale sign of illicit tobacco
This is the part worth remembering: no seller can legally undercut the excise. If a listing offers a carton for $150–$190, the maths simply does not close — a duty-paid carton carries about $310 of excise before GST and margin. A price that far below the floor means the duty was not paid somewhere along the line.
Illicit tobacco is not a grey area. Under the offences regime the ATO publishes, penalties apply to selling, buying and possessing illicit tobacco:
- Possessing 2–5 kg — civil penalty, fines up to $36,400.
- Possessing 5 kg or more, selling, or buying illicit tobacco — criminal penalty: conviction with up to 5 years’ imprisonment and fines between $72,800 and $364,000.
- Manufacturing or producing illicit tobacco — up to 10 years’ imprisonment and fines from $182,000 to $546,000.
The ATO’s figures use a penalty unit of $364 for infringements on or after 1 July 2026. The same guidance notes that penalties reach the buyer, not only the seller — a plain-language way of saying that cheap tobacco carries risk for the person holding it.
How to sanity-check any tobacco seller
- Price. Compare against the excise floor above. If the price is impossible, walk away.
- Packaging. Legal retail stock is drab brown with large graphic health warnings (see our plain packaging guide), not colourful brand artwork.
- Paperwork. A GST tax invoice and traceable payment method; a seller who insists on bank transfer only is telling you something.
- Age checks. Distance sales require a system to verify the buyer is 18 or over.
- State rules. South Australia prohibits mail and online tobacco orders outright — covered in our state-by-state guide.
Where that leaves the price of a pack
Expect the shelf price to follow the excise schedule every March and September rather than move with promotions. If you see a “sale” that takes a carton below the duty floor, it is not a discount — it is a warning sign.
This article is general information, not legal or tax advice, and rates change. Always check the ATO’s tobacco excise pages and your state or territory regulator for the current position.