Capital Gains Tax 2024 Calculator Uk. Capital gains tax is basically a tax that you’re charged on money you make from. Our capital gains tax calculator gives you an estimated tax bill based on your annual income and any cgt gains you've made from property, shares or other assets.

You need to pay capital gains tax when you sell an asset if your total taxable gains are above your annual capital gains tax allowance. The capital gains tax rate you use depends on the total amount of your taxable income, so work that out first.