Compound interest calculator
See how an initial amount and regular contributions could grow over time with compound interest. Results are illustrative estimates.
Your assumptions
Adjust the figures to model savings or investment scenarios.
For investments, returns vary and are not guaranteed.
Advanced contribution options
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Estimated balance after 20 years
£54,012
About £36,349 in today’s money
Total contributed
£29,000
Interest / growth
£25,012
Effective annual rate
5.12%
Contributions versus growth
The stacked bars show how the balance is built over time.
This is an illustration, not financial advice or a guarantee. Actual rates, fees, taxes, inflation and investment returns may differ.