iHow it is calculated
The tax is the gain times your CGT rate. The gain is the sale price minus what you paid and allowable costs:
tax = gain × rate
A £10,000 gain at the 18% basic rate = £1,800 (before applying the £3,000 annual exempt amount).
Advertisement 320 × 50 mobile only · sticky top
Taxes · Updated 2026
Capital Gains Tax Calculator
Estimate UK Capital Gains Tax on the profit from selling shares, crypto or property — 18% at the basic rate, 24% at the higher rate — or enter your own rate.
Enter the amount
£
%
Enter the gain (sale price minus cost) and the rate. Tap a band chip or type your own rate.
=Tax
1,800.00£
Gain10,000.00 £
Tax 18.00%−1,800.00 £
Net gain8,200.00 £
UK Capital Gains Tax is 18% for basic-rate and 24% for higher-rate taxpayers (from 6 April 2025), on gains above the £3,000 annual exempt amount. You are taxed on the gain, not the sale price. Set the rate for your band.
Capital gain 10,000.00 £ × 18.00% = Tax 1,800.00 £, Net gain 8,200.00 £Indicative tax figures, not advice. This applies a single rate you set — real tax may be progressive or banded, with reliefs and allowances. Check the rate in force for your case. Instant in-browser calculation, no account.
Last updated: 11 July 2026 Source: HMRC — Capital Gains Tax
⚖︎ Results are for informational purposes and do not constitute tax advice. For specific situations, consult a licensed accountant or the relevant tax authority.
Advertisement 728 × 90320 × 250 desktop 728×90 sticky · mobile 320×250
Advertisement 728 × 90320 × 250 desktop 728×90 sticky · mobile 320×250
?Frequently asked questions
What is the UK capital gains tax rate?
From 6 April 2025 CGT is 18% for basic-rate taxpayers and 24% for higher-rate taxpayers, on shares, crypto and property alike, for gains above the £3,000 annual exempt amount.
What is the annual exempt amount?
£3,000 of gains per year are tax-free in 2026 (cut from £6,000 and £12,300 in earlier years). This tool applies your chosen rate to the gain you enter.
How is the gain worked out?
Sale price minus what you paid, minus allowable costs such as legal fees and qualifying improvements. You are taxed on that gain, not on the whole sale price.
Can I set my own rate?
Yes — tap a band chip or type any rate, so the tool fits your band and any future rule changes.
Advertisement 728 × 90320 × 250 desktop 728×90 sticky · mobile 320×250
→Related tools
209 tools · 14 categories
Explore all calculators
€ Salary & Work 16 tools — gross/net, vouchers, leave → % Taxes 19 tools — VAT, income & local taxes → ⌂ Credit 16 tools — mortgage, consumer, APR → ↗ Finance 18 tools — savings, FX, gold, investing → ♥ Health 22 tools — BMI, calories, pregnancy → ∑ Math 22 tools — percentages, geometry, stats → ◷ Time & Date 25 tools — age, working days, dates → ✎ Education 14 tools — averages, BAC, admission → ⛽ Auto & Travel 15 tools — fuel, MOT, routes, distance → ⌂ Real Estate 13 tools — notary, commission, m², rent → ▲ Business & Commerce 12 tools — margin, markup, stock, freelance → ⛨ Insurance 6 tools — home, life, health, travel → § Legal 9 tools — terms, legal interest → ◈ Everyday Tools 11 tools — everyday utilities →
All calculators (209) →