Free Compound Interest Calculator — Savings Growth
Enter the start amount, rate, years and monthly deposit.
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How to do it
- 1Choose your settings
Fill in the details or pick the options you need.
- 2See the result
The preview updates right away as you change things.
- 3Download or save it
Save the result to your device. Nothing is sent to or stored on a server.
About this tool
See how your money can grow over time. Enter your starting amount, the yearly interest rate, how long you save and what you add every month. Choose how often interest is added: yearly, quarterly, monthly or daily. You see the final amount, your deposits and the interest earned, with a year by year table. Results are an illustration, not a promise.
Frequently asked questions
What is compound interest?
It is interest earned on your earlier interest as well as on your deposits, so growth speeds up over time.
Are returns guaranteed?
No. Real savings and investment rates change. This shows what happens at the rate you enter.