Crypto Capital Gains Calculator
Estimate your tax liability across 4 countries — instantly, no sign-up needed.
Estimated tax result
🇺🇸 United StatesThis calculator is for estimation purposes only and does not constitute tax or legal advice.
What is Crypto Capital Gains Calculator?
Most crypto tax tools are built for one country. You put in your numbers, get a figure, and hope it applies to where you actually live. That doesn’t work if you’re in the UK and the calculator is running American tax brackets, or if you’re in Australia and it’s ignoring the 50% discount you’re entitled to. This calculator covers all four countries properly — with the real rules for each one, not a rough approximation.
Whether you sold Bitcoin, swapped Ethereum, or took profits on something more obscure, the tax calculation is the same: what did you pay for it, what did you sell it for, how long did you hold it, and what’s your income? Fill those in and the calculator handles the rest. It adjusts automatically for whichever country you select, including the holding period rules, annual allowances, and the tax rates that actually apply to your situation.
The result is an estimate, not a tax return. But it gives you a solid, honest number to work with before you speak to an accountant or start filling out forms.
How to use the calculator
Start by selecting your country at the top. The calculator will switch to the correct currency, tax rules, and rate structure automatically. Then fill in four things: the price you paid for the crypto, the price you sold it for, how many units you held, and any fees you paid on the transaction. Fees are included because they reduce your gain — if you paid £50 in exchange fees, that comes off the top.
Enter your purchase and sale dates. This matters more than most people realise, because in the US and Australia the date determines whether you’re taxed at a lower long-term rate or a higher short-term one. Finally, add your annual income before this gain — the calculator needs this to place your gain in the right tax bracket, since crypto gains are added on top of your other income, not calculated in isolation.
Hit calculate and you’ll see your gross gain, the taxable amount after any allowances or discounts, the effective rate, and the estimated tax owed. There’s also a full breakdown showing exactly how the number was reached.
How crypto is taxed in each country
United States
The IRS treats cryptocurrency as property, which means every time you sell, swap, or spend it, you’ve created a taxable event. The gain or loss is the difference between what you paid for it — your cost basis — and what you received when you disposed of it. That’s the straightforward part. What makes the US system interesting is the split between short-term and long-term treatment.
If you held the asset for less than 12 months, your gain is taxed as ordinary income — the same rate that applies to your salary. Depending on your income, that could be anywhere from 10% to 37%. If you held it for 12 months or more, you qualify for long-term capital gains rates, which are 0%, 15%, or 20% depending on your total income and filing status. For most people in the middle of the income range, that’s 15% — meaningfully lower than their income tax rate. Holding for just over a year instead of just under can make a significant difference to how much you owe.
Your filing status — single, married filing jointly, or head of household — also shifts the thresholds, which is why the calculator asks for it. A married couple filing jointly has higher thresholds before they hit the 15% and 20% brackets compared to a single filer on the same income.
United Kingdom
HMRC treats crypto as a capital asset, so you pay Capital Gains Tax when you dispose of it — whether that’s selling for cash, swapping for another coin, or spending it. The good news for UK investors is the annual CGT allowance, which for the 2024/25 tax year sits at £3,000. Any gains below that threshold are completely tax-free. Gains above it are taxed at either 18% or 24%, depending on whether you’re a basic rate or higher rate taxpayer.
Unlike the US and Australia, the UK system doesn’t reward you for holding longer. There’s no reduced rate for assets held over a year — the rate depends entirely on your income, not your holding period. This makes timing less of a tax lever in the UK, though staying within the annual allowance through careful planning is still a useful strategy. If your gains in a given year come in under £3,000, you owe nothing, regardless of how much you made on paper.
The £3,000 allowance is per person, per year. It doesn’t roll over, so gains you don’t realise this year don’t carry a bigger allowance into next year. It also applies to crypto, shares, and property gains combined — not to crypto alone.
Australia
The ATO treats cryptocurrency as a capital asset, and the tax treatment in Australia is actually one of the more generous among major English-speaking countries — if you hold long enough. Assets held for 12 months or more qualify for a 50% CGT discount, which means only half of your gain is added to your taxable income. On a $20,000 gain, only $10,000 gets taxed. That’s a meaningful reduction and it’s entirely legal — it’s how the Australian system is designed to work.
The discounted gain gets added to your other income and taxed at your marginal rate, which ranges from 0% on income below $18,200 up to 45% at the top. There’s no separate CGT rate in Australia — it flows through your income tax return. This means the actual tax you pay on a crypto gain depends heavily on what else you earned that year. If you had a low-income year, realising gains in that year rather than a high-income year can make a significant difference.
The 50% discount doesn’t apply to assets held less than 12 months. Those gains are taxed in full at your marginal rate, which makes the 12-month threshold genuinely worth paying attention to if you’re close to it.
Canada
The CRA also treats crypto as a commodity rather than currency, and the Canadian system uses what’s called an inclusion rate — the percentage of your gain that gets added to taxable income. For most investors, that’s 50%. So if you made a $30,000 gain, $15,000 of it is added to your income and taxed at your federal marginal rate. The other $15,000 is yours, tax-free.
As of June 2024, the inclusion rate increases to two-thirds for gains above $250,000 in a single year. For the vast majority of crypto investors this threshold won’t be relevant, but it’s worth knowing if you’re sitting on a very large position. The federal marginal rates run from 15% at the bottom bracket up to 33% at the top. Provincial taxes are added on top of these, which is why the calculator notes it shows federal rates only — the total varies depending on which province you live in.
Canada doesn’t have a long-term vs short-term distinction like the US does, and there’s no annual CGT allowance like the UK offers. The inclusion rate system is the main mechanism, and it applies regardless of how long you held the asset.
Frequently asked questions
Do I have to pay tax on crypto if I didn’t cash out to my bank?
Yes, in most cases. The common misconception is that tax only applies when you convert crypto back to your local currency. In the US, UK, Australia, and Canada, the taxable event is the disposal — and that includes swapping one crypto for another. Trading Bitcoin for Ethereum is treated as selling Bitcoin at its current value and buying Ethereum. The gain or loss is calculated at the point of the swap, not when you eventually cash out.
Transfers between your own wallets, on the other hand, are not taxable events. Moving crypto from one wallet you own to another doesn’t trigger any tax. The taxable moment is when the asset changes hands, not when it changes address.
What if I made a loss — do I still need to report it?
You do, and it’s actually worth reporting carefully because losses are useful. In all four countries covered by this calculator, capital losses can be used to offset capital gains. If you made a $10,000 gain on one trade and a $4,000 loss on another, you’re taxed on a net gain of $6,000. In the US, if your losses exceed your gains for the year, you can offset up to $3,000 of ordinary income and carry the rest forward to future years. The UK, Australia, and Canada have their own rules for loss carry-forward, but the principle is the same — losses reduce your tax bill, so they’re worth tracking.
Does it matter which crypto I sold — Bitcoin, Ethereum, altcoins?
No. The tax rules don’t distinguish between different cryptocurrencies. Bitcoin, Ethereum, Solana, or any other token — they’re all treated the same way by tax authorities in these four countries. What matters is the gain or loss on the specific asset you disposed of, calculated against its cost basis. The only exception worth noting is stablecoins, which in theory are subject to the same rules, even though the gain is often negligible due to the stable price.
What is cost basis and why does it matter so much?
Your cost basis is what you originally paid for the crypto, including any fees at the time of purchase. It’s the number that your gain or loss is measured against. If you paid $5,000 for one Bitcoin and sold it for $8,000, your cost basis is $5,000 and your gain is $3,000. Where cost basis gets complicated is when you’ve bought the same asset multiple times at different prices. If you bought Bitcoin three times — at $20,000, $30,000, and $50,000 — and then sell one coin, which purchase does the sale relate to? The answer depends on the accounting method you use: FIFO means you’re selling the oldest purchase first, HIFO means you’re selling the highest-cost purchase first, which typically minimises your gain. Different countries allow different methods, and the choice can make a meaningful difference to your tax bill.
What about staking rewards and airdrops?
These are generally taxed as income rather than capital gains. In the US, UK, Australia, and Canada, receiving staking rewards or an airdrop is treated as receiving income at the market value of the tokens on the day you received them. That value becomes your cost basis. If you later sell those tokens, any additional gain above that cost basis is then a capital gain. So staking rewards can be taxed twice in a sense — once as income when received, and again as a capital gain if they appreciate before you sell. This calculator focuses on capital gains from buying and selling; staking and airdrop income is a separate calculation.
How accurate is this calculator?
It gives you a solid estimate based on the published tax rates and rules for each country as of 2026. For most straightforward buy-and-sell transactions, the figure should be close to what you’d calculate manually. What it doesn’t account for: state or provincial taxes on top of federal rates, losses carried forward from previous years, more complex scenarios like DeFi transactions, NFTs, or crypto received as payment for work. For a simple trade — bought some Bitcoin, sold it later — the estimate will be reliable. For anything more complex, treat the number as a starting point and run it past a tax professional.
A note on using this calculator
Tax rules change, and they’ve been changing quickly in the crypto space. The rates and rules built into this calculator reflect the current position in each country as of 2026, but tax legislation can be updated at any time. This tool is designed to give you a clear, honest estimate — not to replace professional advice. If you’re dealing with large gains, multiple years of transactions, or any uncertainty about your situation, speaking to a qualified tax adviser in your country is the right move.
I’m Eric Nkando, a crypto and crypto tax enthusiast, with other extensive experiences in forex and stock markets. I believe crypto and blockchain are no longer alien topics and I’m here to help investors tackle emerging issues of taxation and prudential investment strategies. My approach? Delivering clear, insightful analysis on digital assets, market trends, and trading strategies, bridging complex technical concepts with practical investment perspectives. My work has been widely published on leading financial platforms such as Investing.com, FXLeaders, and The Distributed.
