Compound interest calculator
See how savings grow with compound interest and monthly deposits, year by year.
In your browser
Final balance
You put in
Interest earned
| Year | Put in | Interest | Balance |
|---|---|---|---|
About this tool
See how savings or an investment grow when interest earns interest. Add a starting amount, a monthly deposit, the rate and how often it compounds.
How to use it
- 1 Enter the starting amount and monthly deposit.
- 2 Enter the yearly rate and number of years.
- 3 Read the final balance and the yearly table.
Questions
How often should interest compound?
Use what your bank or fund states. Monthly compounding earns slightly more than yearly at the same rate.
Is my data uploaded?
No. This tool runs in your browser, so your text and files never reach our server.
Is this tool free?
Yes. It’s free to use with no sign-up and no limits for normal use.
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