Beanstalk ISA Calculator

See how your ISA could grow over time

Investing in a Beanstalk stocks & shares ISA could help you build a lump sum for your future. Use our simple calculator to get an idea of the future value of your ISA with Beanstalk for different growth rates.

ISA value calculator


ISA Growth Calculator

Use the sliders to estimate your ISA's future value. Values shown are net of our fee.

Choose a growth rate:


This is the annual rate of growth used for the calculator. Investment returns cannot be predicted and could be higher or lower than this. Changing the growth rate gives an idea how different investment returns could impact the final value.

Estimated future value: -

Total contributions: -

Growth earned: -


Here are the average annual growth rates for a selected global tracker fund, UK tracker fund, and UK money market fund for the last 5 and 10 years to 30/06/25. Please note that past performance is no guarantee of future performance and future returns could be very different:

  • Fidelity Index World fund - 5 years 12.89% and 10 years 12.2%
  • HSBC FTSE 100 Index fund - 5 years 12.51% and 10 years 6.8%
  • L&G Cash Trust fund - 5 years 2.74% and 10 years 1.5%
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Beanstalk is a trading name of KidStart Limited. KidStart Limited is authorised and regulated by the Financial Conduct Authority. Our FCA number is 473606. See http://www.fca.org.uk for more information.