Free Crypto Tax Calculator UK for Capital Gains


We built this free crypto tax calculator for UK users that want to check their gains quickly. Our calculator is for informational purposes only. Consult an expert CPA or tax professional. You may need to use more advanced crypto tax software if you have a lot of trades.

Total Gains: 0.00

Tax Bracket: N/A

Tax Owed Without Allowance: 0.00

Final Tax Owed: 0.00

How to Use This Calculator:

  • Input Income: Begin by entering your annual income to determine your tax bracket.
  • Enter Transaction Details: Provide the cost of your crypto purchase and the sale amount.
  • Click 'Calculate': The calculator will display a breakdown of your gains, tax bracket, and the tax you owe.
  • Review Results: Remember, the first £6,000 of your gains are tax-free. Any tax displayed is on gains beyond this allowance.

How Our Calculations Are Made:

  • Capital Gains: First, we determine your total capital gain by subtracting the purchase cost from the sale amount.
  • Tax Bracket: Based on your provided annual income, you are categorized into one of the tax brackets: Basic (10%), Higher (20%), or Additional (20%).
  • Allowance Deduction: If your gains exceed £6,000, this allowance is subtracted, ensuring you are only taxed on gains above this threshold.
  • Tax Calculation: Finally, we apply the appropriate tax rate to the adjusted gains to determine the tax you owe.

Who Might Want to Use This:

  • UK Residents: Specifically tailored for UK residents to understand their crypto tax obligations.
  • Crypto Traders: Whether you're trading daily or occasionally, knowing your potential tax is essential.
  • Casual Investors: Even if crypto is a small part of your portfolio, being aware of the tax implications is vital.
  • Tax Professionals: For those offering tax guidance or services related to cryptocurrency.
Article Sources

BuyBitcoinWorldWide writers are subject-matter experts and base their articles on firsthand information, like interviews with experts, white papers or original studies and experience. We also use trusted research and studies from other well-known sources. You can learn more about our editorial guidelines.

  1. - Capital Gains Tax rates and allowances,

About the Author

jordan tuwiner

Jordan Tuwiner is the founder of He studied computer science at Towson University and holds an online degree in trading & cryptocurrency. Jordan has been writing about Bitcoin since 2015. His work has been featured in The Guardian, International Business Times, Forbes, VentureBeat, CoinDesk and many other top Bitcoin media outlets.

Article Reviewed by Ben Aronson

Ben has over 5+ years working in the finance industry. After 2 years at KPMG, he shifted into software and FinTech. Ben holds a Bachelor of Business Administration (BBA - Accounting and Business/Management) from Reichman University.

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