What is the crypto tax calculator tool?

The free crypto tax calculator tool above helps you estimate your tax liability for a simple, individual crypto transaction. It uses the details you provide about the acquisition and disposal, along with your total taxable income and any capital gains from other assets. To understand your total tax liability from your whole crypto portfolio, get started with our crypto tax calculator.

How is cryptocurrency taxed?

In the UK most crypto gains will be subject to Capital Gains Tax, but sometimes Income Tax can apply. Read our UK crypto tax guide to find out more.

What is a crypto tax calculator?

A crypto tax calculator is a type of accounting software that helps you calculate the taxes you may owe on your cryptocurrency transactions. You enter your transaction data and the software applies the tax rules and calculates your capital gain and taxable income. It’s an easy way to get a better handle on your crypto taxes, especially with the fast pace of the crypto market. You can get started with Recap for free.

Why do I need a crypto tax calculator?

Although it’s possible to calculate your crypto taxes manually, a crypto tax calculator like Recap saves time, increases accuracy and can also identify opportunities for tax optimisation. Check out our blog "Do you really need a crypto tax calculator" for more of the advantages of tax software.

How much tax will I pay on crypto gains?

Capital gains from crypto are taxed at 10% (basic rate) or 20% (higher rate), based on your total annual income. Take a look at our UK tax rates article for more detail or use the free calculator tool above to estimate how much tax you might pay on an individual transaction.

When do I need to pay crypto tax?

The HMRC deadline for reporting and paying tax is 31st January, you'll need to be registered for self assessment by 5th October. For help filing a UK tax return, take a look at our blog "How to file your crypto taxes".

Can I reduce how much crypto tax I owe?

With strategic tax planning you can optimise your crypto taxes to reduce the amount of tax due. Consult a tax professional or check out our blog, "can you avoid paying crypto tax" for tax saving ideas.

Free UK Crypto Tax Calculator

Sell, swap, spend, or gift crypto? That’s usually a disposal for UK tax and may trigger Capital Gains Tax. Your tax depends on your gain and your income band.

Use our free calculator to estimate CGT for a single crypto disposal — or sign up to Recap to track gains across all your exchanges and wallets and download a HMRC-compliant tax report.

Calculating CGT on shares or property?Use the UK Capital Gains Tax calculator

Why use Recap?

UK Specific Tax Rules
Updated for 2026 Tax Changes
Privacy Focused - No Data Stored

Tax Calculator

Tax Year:

BuyAcquisition

Amount

Date

Price

Valuation

SellDisposal

Amount

Date

Price

Valuation

Calculation Details

Section 104 Pool

0 Bitcoin- cost

Disposal Proceeds£0.00

Less Allowable Costs--

Total Gain-

UK Tax Liability

Your Salary

Other Income

Annual Exemption£3,000.00

Taxable Gain-

CGT Payable-

Profit after tax: -

Disclaimer: This calculator provides estimates for a single transaction and does not account for all possible tax scenarios. Please consult a qualified tax professional for personalised advice.

Updated 31st December 2025.

Why use Recap?

UK Specific Tax Rules
Updated for 2026 Tax Changes
Privacy Focused - No Data Stored

Automatically calculate taxes across your whole crypto portfolio with Recap

Import your crypto transactions to calculate your capital gains and income tax. Support for crypto disposals and complex activities like staking and lending.

How our crypto tax calculator works

The calculator tool above demonstrates a simple crypto trade tax calculation. Recap’s crypto tax calculator can provide comprehensive tax analysis for your whole portfolio. Sign up, connect your accounts, verify your transactions, and Recap will automatically calculate your taxes. Once you’re ready to file you can generate and download your PDF crypto tax report or share with your accountant to complete your tax return on your behalf.

Quickly add data from your exchanges and wallets
Automatically generate accurate crypto tax reports with everything you need to file your tax return
Aligned with the latest HMRC guidance so you don’t need to worry about staying up to date with the rules
The only crypto tax calculator that leaves you with full self custody of your financial data