Crypto Tax Calculator Australia: How Crypto Is Taxed

Does the ATO know about my crypto?🔗

Yes. Full stop. The ATO runs a data matching program with Australian cryptocurrency exchanges. If you've used a centralised exchange like CoinSpot, Swyftx, or Binance AU, the ATO has your name, your transactions, and your wallet addresses. They've been collecting this data since 2014. So the “I forgot to declare it” strategy is not a strategy.

How does the ATO treat crypto?🔗

The ATO does not treat cryptocurrency as money. It's not foreign currency either. Instead, the ATO classifies crypto assets as property for tax purposes, which means they're subject to Capital Gains Tax (CGT) under the same rules that apply to shares and investment properties.

Each individual coin or token is treated as a separate CGT asset. That means your Bitcoin and your Ethereum are tracked separately, and every disposal of either one is a potential taxable event. The one exception: if you're running a crypto trading business (more on that below), your profits are treated as ordinary income instead.

What crypto events trigger tax?🔗

Not everything you do with crypto creates a tax event. Holding is fine. But the moment you dispose of a crypto asset, or earn crypto as income, the ATO wants to know about it.

How is crypto capital gains tax calculated?🔗

The formula is straightforward:

Capital gain = Proceeds − Cost base

Your proceeds are the AUD value of what you received when you disposed of the asset. Your cost base is what you paid to acquire it, including the purchase price in AUD, transaction fees, and other acquisition costs.

Worked example: you buy 1 ETH for $3,000 (including fees) in January 2024. You sell it for $5,500 in March 2025, fourteen months later. Your capital gain is $5,500 minus $3,000 = $2,500. Because you held ETH for more than 12 months, you're eligible for the 50% CGT discount, so the discounted gain is $1,250. At a 34.5% marginal rate (the 2024-25 rate for incomes between $45,001 and $120,000, including the Medicare levy), the tax payable is about $431. A lot better than paying tax on the full $2,500.

You can run your own numbers with our capital gains tax calculator.

The 12-month CGT discount🔗

If you hold a crypto asset for more than 12 months before disposing of it, you're entitled to a 50% CGT discount on your net capital gain. This applies to individuals and trusts. It does not apply to companies. If you sell within 12 months, the full capital gain is added to your taxable income with no discount. That's a meaningful difference, and it's one reason many long-term holders time their disposals carefully.

What about crypto as income?🔗

Some crypto activity is taxed as ordinary income, not as a capital gain. This matters because income tax applies at your full marginal rate, with no 12-month discount. Income-taxed events include mining as a business, staking rewards (taxed at market value on the day received), crypto salary, and most airdrops.

Investor vs trader. Most people who buy and sell crypto are investors, so CGT rules apply. If you're trading at high frequency, running it like a business, and making it your primary income source, the ATO may classify you as a trader. Then your profits are ordinary income, your losses are deductible against income, and the 12-month CGT discount doesn't apply. The line isn't always obvious, so if you're unsure, a registered tax agent is your best friend here.

How does a crypto tax calculator work?🔗

A crypto tax calculator is software that connects to your exchange accounts and wallets, imports your full transaction history, and automatically calculates your capital gains, income events, and tax liability in a format the ATO recognises. Under the hood it:

• Imports transactions via API or CSV export from each exchange, pulling every buy, sell, swap, and transfer.
• Assigns cost bases using a method like FIFO (First In, First Out), HIFO (Highest In, First Out), or ACB (Average Cost Base). The method affects your tax outcome.
• Calculates gains and income in AUD at the market value on each transaction date.
• Generates a tax report summarising capital gains, income events, and your net position, ready for your return or accountant.

For every transaction, it needs the exchange or wallet, the date and time, the amount of crypto, the AUD value at the time, and any fees paid. Most major exchanges let you export this as a CSV. Do it regularly. Don't wait until 30 June to discover your exchange has deleted historical data.

Record-keeping requirements🔗

The ATO requires you to keep records for five years after the disposal of a crypto asset. So if you sell ETH in 2025, keep the related records until 2030. What to keep:

• Date of every transaction and the AUD value at the time
• Purpose of the transaction (buying, selling, staking, etc.)
• Exchange records and transaction confirmations
• Wallet addresses of counterparties where possible
• Receipts for any fees paid

“I lost my records” is not a defence the ATO accepts. Set a reminder to export your CSV from every exchange at the end of each financial year, and store it somewhere you'll actually find it in five years. The bottom line: crypto is taxed like any other CGT asset, the ATO already has your data, and good record-keeping plus a decent calculator turns a scary tax bill into a routine one. For the full picture, our guide on how crypto tax works in Australia goes deeper.

❓ Frequently asked questions🔗