Crypto taxes in the UK can get complicated if you have been trading, staking, mining, or experimenting with NFTs. With HMRC requiring every transaction to be declared, calculating capital gains and income manually often feels overwhelming.
This is where free crypto tax calculators come in handy. They not only save time but also ensure that your reports align with HMRC’s strict rules. With the right tool, you can stay compliant while avoiding unnecessary stress.
Comparing The Best Free Crypto Tax Calculators in the UK
Here’s a quick comparison of the most reliable free calculators available for UK investors:
| Calculator | HMRC Compliance | Integrations | Key Strengths |
| KoinX | Yes | 800+ exchanges & wallets | Real-time portfolio & auto reports |
| Recap | Yes | 400+ integrations | Privacy-first with encrypted reports |
| CoinTracker | Yes | 500+ exchanges & wallets | Real-time portfolio and tax reports |
| Koinly | Yes | 700+ integrations | Advanced reporting & tax-loss tools |
| Crypto Tax Calculator | Yes | 3500+ exchanges/protocols | Covers NFTs, staking, DeFi & more |
Top Free Crypto Tax Calculators in UK in 2025
Here’s a closer look at the calculators making crypto tax compliance easier for UK investors in 2025.
- KoinX
KoinX offers a UK-focused free crypto tax calculator designed to meet HMRC’s strict requirements. By integrating with 800+ exchanges and wallets, it consolidates your transactions into one dashboard and generates HMRC-compliant tax reports instantly. Investors can also track their portfolios in real time while ensuring accurate application of UK accounting methods.
Why Choose KoinX?
- Accurate Tax Calculations: Computes gains and liabilities with HMRC-approved rules.
- Wide Integrations: Supports 800+ wallets and exchanges for seamless tracking.
- User-Friendly Dashboard: Easy to navigate for both new and experienced investors.
- HMRC Compliance: Adheres to Share Pooling and other UK-specific tax rules.
- Real-Time Portfolio Tracking: Keeps your gains, losses, and performance updated instantly.
- Recap
Recap is a UK-based crypto tax calculator with a strong focus on privacy. It offers end-to-end encryption so only you can access your financial data. By automatically importing transactions, it ensures compliance with HMRC’s tax framework while giving you full breakdowns of your crypto income, capital gains, and losses.
Why Choose Recap?
- Privacy-Centric: End-to-end encryption guarantees complete data security.
- HMRC-Compliant Reports: Generates accurate and detailed tax summaries.
- Secure Accountant Collaboration: Share reports securely with accountants while maintaining control over your data.
- CoinTracker
CoinTracker is a reliable crypto tax calculator that provides UK investors with accurate calculations of capital gains and income. With integrations across 500+ platforms, it enables real-time portfolio updates and clear tax summaries. Its reports are formatted to match HMRC standards, enabling users to file with confidence.
Why Choose CoinTracker?
- Multi-Platform Coverage: Supports 500+ wallets and exchanges for reliable tracking.
- Capital Gains & Income Reports: Calculates taxable events with clarity and precision.
- Live Portfolio Tracking: Keeps your crypto holdings updated in real time.
Koinly
Koinly is a global leader that supports UK-specific tax reporting. It integrates with over 900 wallets, exchanges, and blockchains to generate HMRC-ready reports. It also offers advanced features such as tax-loss harvesting and detailed transaction analysis, making it suitable for investors with more complex portfolios.
Why Choose Koinly?
- Advanced Reporting Tools: Includes tax-loss harvesting to optimise obligations.
- Wide Integrations: Works with 900+ exchanges, wallets, and blockchains.
- HMRC-Ready Reports: Uses Share Pooling and Same Day rules for accuracy.
Crypto Tax Calculator
Crypto Tax Calculator is designed to simplify reporting for UK investors engaged in trading, staking, DeFi, and NFTs. By entering transaction details, users can get instant liability estimates. It supports advanced rules like Bed and Breakfast and Same Day, ensuring your reports align with HMRC’s strict framework.
Why Choose Crypto Tax Calculator?
- Comprehensive Activity Coverage: Handles DeFi, staking, NFTs, airdrops, and more.
- HMRC Compliance: Applies UK-specific rules for precise estimates.
- Easy-to-Use Interface: Designed for both beginners and advanced traders.
Conclusion
Crypto tax reporting doesn’t have to feel like a burden. With the right calculator, UK investors can accurately track trades, manage portfolios, and generate HMRC-compliant reports with minimal effort. These tools are built to simplify complex tax rules, cut down on manual work, and keep you confident during tax season. By choosing one that matches your needs, you’ll make the filing process far smoother and less stressful.
