Runs in your browserNo signup requiredNo daily limits
Compound Interest Calculator
Calculate how your investments grow over time with compound interest. See year-by-year breakdown with charts.
Final Amount
£20,097
Total Interest
£10,097
Growth
101.0%
Year-by-Year Breakdown
| Year | Value | Interest Earned |
|---|---|---|
| 1 | £10,723 | £723 |
| 2 | £11,498 | £1,498 |
| 3 | £12,329 | £2,329 |
| 4 | £13,221 | £3,221 |
| 5 | £14,176 | £4,176 |
| 6 | £15,201 | £5,201 |
| 7 | £16,300 | £6,300 |
| 8 | £17,478 | £7,478 |
| 9 | £18,742 | £8,742 |
| 10 | £20,097 | £10,097 |
How to Use
1Enter your initial investment
2Set the annual interest rate
3Choose the compounding frequency
4Set the time period
5View your growth chart and year-by-year breakdown
Frequently Asked Questions
What is compound interest?
Compound interest is interest earned on both your initial deposit and previously earned interest — your money earns money on its money.
How often is interest compounded?
This calculator supports daily, monthly, quarterly, and annual compounding frequencies.