Key Takeaways
- Calculate your crypto taxes using a tax calculator.
- Simplify your tax reporting process.
- Find reliable and accurate calculators.

Is there a free crypto tax calculator? There are three answers here. Yes, no, and we have discount codes to some really good ones that make them much more affordable.
Free crypto tax calculator: is there such a thing? If you’ve dabbled in any cryptocurrency trading this financial year in the UK, you'll need to consider the tax implications.
Any cryptocurrency transaction, including buying, selling, trading, mining, staking, giving, or receiving, must be reported on your tax return. This requirement applies regardless of where the transaction occurred — be it in the UK, Australia, the United States, or even a remote tax haven in the Pacific.
Essentially, if you’ve made money with crypto, the tax man wants to know about it. However, calculating your cryptocurrency tax can be complex, with various factors to consider when preparing your tax return.
There is a really comprehensive article here if you want to speed up your knowledge before you choose a crypto tax calculator. And this article also details the discounts on offer for tax calculator software.
Does the HMRC track your crypto trades?
Yes, His Majesty’s Revenue & Customs (HMRC) closely monitors cryptocurrency transactions.
It’s crucial to keep accurate records of these transactions.
Free crypto tax calculator / Free crypto tax software
Are there free crypto tax calculators? Yes, there are. But unfortunately, the most well-known one,and has been retired.
Free trial periods
There are crypto tax software companies that have free trial periods and offer free initial calculations however, free trials or initial calculations typically offer limited functionality, covering only basic transactions or a small number of trades. Crypto tax compliance involves complex calculations, including tracking cost basis, capital gains/losses, and handling diverse transaction types (e.g., trades, staking, airdrops) across multiple wallets and exchanges.
Paid services provide comprehensive tools to accurately aggregate, analyse, and report this data, ensuring compliance with tax regulations.
So you may find that you may require a paid service to have a solution comprehensive enough to cover your needs.
Automate your tax return
Crypto accounting apps like Koinly, Koinx, CoinTracker, Summ and Coinpanda can help. These programs track all your transactions in real-time, regardless of where and when they occur.
At the end of the financial year, April 5th, they compile your transaction history into a document that details your capital gains and losses in GBP. This makes it convenient to assess your tax obligations and monitor your overall portfolio performance.
CoinJar now offers full, protected transaction integration with multiple crypto tax calculators. This means any cryptocurrency transaction conducted on CoinJar will be directly transferred to your chosen crypto tax software account helping you to get ahead of the game at tax time.
Crypto Tax Software used by CoinJar users
Some of these crypto tax calculators give discounts to CoinJar which we pass on to you. So check back with the main tax article page often.
Summ
Summ (formerly Crypto Tax Calculator) is the complete crypto tax solution. With support for over 3,500 exchanges, wallets and blockchains, Summ was built to handle everything from exchange trading to complex on-chain activity, including DeFi and NFTs. Get accurate, regulator-ready tax reports. Because close enough isn't good enough.
As a CoinJar user, you’ll get 30% off all Summ plans. Use the code COINJ30 at check out or sign up via this link, and your discount will be automatically applied.
Offer: 30% off
Eligibility: Discount on first year only. Only available to new customers.
Disclaimer
Links to third-party websites will open new browser windows. Except where noted, CoinJar has no affiliation to these third party websites and accepts no responsibility for the content on third-party websites.
Important: CoinJar UK Limited does not warrant the adequacy, accuracy or completeness of any tax calculation by any app, including those mentioned above and CoinJar expressly disclaims any liability for errors or omissions therein. Users are personally responsible for evaluating the accuracy, completeness or usefulness of any information or other content available on these sites.
Crypto tax apps are not CoinJar services. If you use these services, you’ll be subject to the applicable terms and conditions of use for these products, including a separate privacy policy, which may differ from CoinJar’s privacy policy. You should read and understand all applicable terms before using them.

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CoinJar
CoinJar is one of the longest-running cryptocurrency exchanges in the world. Since 2013, we’ve helped hundreds of thousands of people worldwide to buy, sell and spend billions of dollars in Bitcoin, Ethereum and dozens of other cryptocurrencies.
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