Capital gains tax 2018/19 2017/18 Use this basic calculator to estimate your capital gains tax liability.Total gains subject to capital gains tax in 2018/19 Gain you consider qualifies for entrepreneurs' relief (£): * Gain you consider does not qualify for entrepreneurs' relief (£): * Higher rate tax payer?: No Yes The above result is, as indicated above only, a first check. If you have a liability we strongly recommend that you contact us. It is our role to ensure you minimise your tax liability. If you are a higher rate or additional rate tax payer your gain will be taxed at 20%. For individuals where total income and gains are less than the upper limit of the income tax basic rate band the liability on the gain will be calculated at 10%. This calculator enables you to calculate an initial liability to capital gains tax, but does not take into account a situation where a portion of the gain is taxable at 10% and a portion at 20%. Entrepreneurs' relief The rate of capital gains tax qualifying for entrepreneurs' relief is 10%. The lifetime limit on gains qualifying for entrepreneurs' relief increased from £5 million to £10 million from 6 April 2011. In calculating the gain you may deduct certain costs. Please contact us to discuss your options for minimising your capital gains tax liability. The capital gains tax in 2018/19 is payable on or before 31 January 2020.