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Compound interest calculator

Project a balance from an initial amount, regular contributions, rate and duration. No returns are guaranteed.

AvailableIn your browserInput: Text

How to use: Compound interest calculator

  1. Enter the starting capital, interest rate and years.
  2. Add periodic contributions and the compounding frequency.
  3. Review the final balance and the growth table.

What it accepts and what you get

Input
Capital, annual rate, term, contributions and frequencies.
Output
Final balance, total contributed and interest earned.
Where your data is processed
Your data is processed in your browser and is not sent to our servers.

Limitations and notes

  • It assumes a constant rate: it is not a return forecast or investment advice.
  • Taxes and inflation are not deducted.

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