Cryptocurrency in Australia is treated as a taxable asset, not currency, so any gains or income from crypto transactions must be reported to the Australian Taxation Office (ATO). In practice, most crypto activity (buying, selling, trading or spending coins) triggers capital gains tax (CGT), while other activities (like mining, staking, airdrops or running a crypto business) are taxed as ordinary income cointaxcalc.

This means crypto profits are generally taxed at your personal income tax rate, which can be as high as 45%, but long-term holdings (over 12 months) receive a 50% CGT discount. Due to the complexity of tracking hundreds of transactions and calculating gains and losses for each, many people use crypto tax calculators. For example, tools like cointaxcalc or Koinly connect to your wallets and exchanges, import all transactions automatically, and compute your taxable gains and income with minimal effort. Using a tool like cointaxcalc helps ensure accuracy and saves time when you prepare your tax return, turning a complicated task into a few clicks.
How Cryptocurrency Is Taxed
In Australia, the ATO considers cryptocurrencies (like Bitcoin, Ethereum, or any altcoin) as property or assets. As a result, selling or exchanging crypto triggers capital gains tax in the same way as selling shares or real estate. In general:
- Capital Gains Tax (CGT): If you dispose of crypto (e.g. sell it for AUD, swap it for another cryptocurrency, or use it to buy goods/services), you have a CGT event. You calculate the capital gain (or loss) by comparing the sale value (minus any selling fees) to your cost base (the original purchase price plus acquisition costs).
- Ordinary Income Tax: Crypto can also count as income, which is taxed at your full marginal rate. This happens when you earn crypto (for example, receiving coins from staking rewards, mining, or certain airdrops) or when you run a crypto-related business and accept crypto as payment
According to the ATO and tax advisors, you must include your crypto gains, losses and income on your annual tax return for the relevant financial year (July 1 to June 30). For example, simply buying crypto with AUD and holding it is not a taxable event. You only incur tax when you dispose of it or receive it as income. This means buying or transferring cryptocurrency between your own wallets is tax-free, but every sale, swap, gift or purchase with crypto is a CGT event.
Reporting Obligations and Deadlines
The ATO uses sophisticated data-matching with local and international exchanges, wallets and payment services to track crypto activity. The idea that crypto transactions are anonymous is a myth; in fact, the ATO often receives information that links wallet addresses to taxpayers. As the Nanak Accountants guide notes, “the ATO uses sophisticated data-matching programs with both Australian and international crypto exchanges to track your activity”, and failure to report crypto can lead to significant penalties.
As a taxpayer, you must prepare a record of your crypto gains, losses and income for each financial year. The due date for lodging the tax return (including crypto transactions) is typically October 31 following the end of the tax year (for 2025/26, that is October 31, 2026).
In practice, a tax return will include crypto in two places: under Capital Gains/Losses for disposals and under Other Income for rewards or business income. You list each gain or loss (CGT event) in the year it occurred and apply the 50% discount for long-term holdings.
Calculating Crypto Taxes and Using Coin Tax Calculators
Manually calculating crypto tax can be very tedious. You need to figure out the cost base for each purchase and the sale proceeds for each disposal, then compute gains or losses. A common formula is:
Capital Gain (or Loss) = Sell Price – (Purchase Price + Related Fees)
You then apply the 50% discount for long-term holdings if applicable. For example, if you bought 1 BTC for $10,000 (including fees) and later sold it for $15,000, your gain is $5,000. If you held it over a year, only $2,500 is taxable (50% discount). You also adjust for any costs like exchange fees (these can be added to the cost base or subtracted from proceeds)
Even if you prefer to calculate manually, you can simplify the process by setting up a spreadsheet or using a CGT worksheet. But for most individuals and businesses dealing with crypto, using a crypto tax calculator is highly recommended. As one tax guide advises, “Tools like Koinly or CoinTracking connect to your wallets… automatically calculating your gains, losses, and income.
Each person’s situation can vary, so consider consulting a tax professional if you have complex crypto activities (like running a crypto business or heavy DeFi trading). But in all cases, staying organized and using the right tools will make crypto tax time much less stressful.
Sources: Official guidance from the ATO and MoneySmart on investment income and CGT, expert guides by Kraken and accountants, and crypto tax calculator providers were used to ensure the information above is accurate and up-to-date.