Compound returns calculator

Estimate how an investment could grow with an initial amount, monthly contributions, and compounding over time.

£
Amount you invest at the start.
£
Amount you add each month. Use a negative value for withdrawals.
Total duration for the estimate.
%
Average yearly return used for the projection.
How often the growth rate is applied.

Education-only. This is not personal financial advice or a recommendation. Real investment returns vary and can be negative. Capital is at risk. If you need personalised advice, speak to a regulated financial adviser.

Your projected future value
Enter your numbers to see the projection.
£—
Ready
Total contributed
£—
Estimated growth
£—
Annual return used
—%
Time horizon
— years

Growth chart

Future value vs total contributions (year-end)

Metric Value
Initial investment£—
Monthly contribution£—
Time horizon— years
Annual return used—%
Compound frequencyMonthly

Chart shows year-end values. Hover the points to see exact figures.