ToolsCompound interest calculator
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Compound interest calculator

See exactly how your money grows over time. Adjust your starting amount, monthly contributions, and expected return to see the real power of starting early.

Free — no account needed

Your numbers

£
£0£50,000
£
£0£2,000
%
1%15%
yrs
1 yrs50 yrs

Returns are not guaranteed. This calculator is for educational purposes only. Past performance does not predict future results.

Final balance after 30 years
£69,115
3.6× your money
Total contributed
£19,000
Total growth
£50,115
Your contributionsGrowth
💡

Of your £69,115 final balance, £50,115 (73%) comes from growth — not money you put in. That's compound interest at work.