Compound Interest Calculator
Estimate savings or investment growth from a starting balance, monthly contributions, interest rate and compounding frequency.
Future value
£17,175.24
Contributed
£13,000.00
Interest earned
£4,175.24
Monthly contributions are added at the end of each month. The selected compounding frequency is converted to an equivalent monthly growth rate.
Growth over time
● Balance○ Contributions
Start10 years
Assumes a fixed rate, regular monthly contributions and no fees, tax or withdrawals. Real returns and rates can vary. This is an estimate, not financial advice or a guaranteed return.
What is compound interest?
Compound interest is interest earned on both your original amount and the interest already added to it. Over time, this can make money grow faster because interest can itself earn further interest.