Investments Explained ISA Returns Calculator

Our ISA investment calculator can help you easily calculate the estimated return rate of an ISA based on the interest rate and number of years held. Whether it’s for Stocks & Shares ISAs, Innovative ISAs or Cash ISAs, use our calculator below to find out what your return might be*. Always be aware that when investing, your capital may be at risk and the value of your investment can go down as well as up. You may get back less than you invested.

ISA Calculator

Enter the amount you would be looking to put into an ISA, select your preferred interest rate and term, and we’ll show you what it could be worth. This can vary from ISA to ISA.

  • If your money was invested at your chosen term and interest rate:

  • You've seen how much your money could be worth, why not find an ISA to fit your needs by clicking the button below.

Calculating your ISA

With up to £20,000 investible per year (as of 2019/2020) find out how much you could get back based on the amount, rate and number of years you’d consider investing.

Are you making the most of your annual ISA allowance? Every tax year, you can save or invest up to £20,000 into an ISA, and you won’t pay tax on any growth or returns you might earn. There are important considerations to take into account such as the type of ISA you choose as some investments may carry risks to your capital and you could get back less than you put in*. However our calculator is designed simply to give a calculation of ISA interest.

What types of ISAs can I choose from?

For more information on the main types of ISAs available, we’ve written some really easy-to-follow guides on the following ISA types:

  • Stocks and Shares ISAs
  • Innovative ISAs
  • Lifetime ISAs
  • Cash ISAS

Help to Buy ISA Calculator

Our Calculator is not for calculating Help to Buy ISAs but many calculators for this are available to use online. Remember that the deadline for Help to Buy ISAs is fast approaching on November 29th 2019. Currently this is a fixed deadline and these ISAs will not be available unless the Government extends the initiative in the future.

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