Short answers to the common questions people ask before using the tool.
It estimates how much your savings could grow based on your current balance, monthly contributions, timeframe, and interest rate assumption.
No. This is a planning estimate. Actual rates can change over time, so real outcomes may be higher or lower.
The calculator supports a mixed timeframe so you can model shorter and more precise goals, such as 2 years and 6 months.
Yes. Over longer periods, even small differences in interest rates can materially change the final savings value.
Use the ISA Calculator when you want broader planning features, extra assumptions, and more advanced projection context. Open it here.
Simple savings estimate.
Estimated savings
£38,730
Total contributions
£34,000
Estimated interest
£4,730