Equity
Capital Gains Tax Calculator
Work out the Capital Gains Tax on your shares and other assets, after the annual exempt amount — and the net gain you keep.
Updates live as you type · 2026/27 HMRC rates · Private — stays on your device
Capital Gains Tax dueEstimate · 2026/27 HMRC rates · checked April 2026The first £3,000 of gains each year is tax-free (the annual exempt amount). The rest is taxed at 18% within your remaining basic-rate band and 24% above it — for shares and other assets.
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Enter a gain below to see your CGTAdd a capital gain
Enter a capital gain in Settings to see the tax broken down by rate.What-if: a different gain
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£0CGT on a £0 gain
Worth knowing
How much is Capital Gains Tax in the UK?