Compound interest calculator
Understand how money grows when interest earns interest over the years.
Final balance
164,530.89
You put in
100,000.00
Interest earned
64,530.89
How to use the compound interest calculator
- Enter the starting amount and yearly rate.
- Set the number of years and how often interest compounds.
- Add an optional monthly deposit and read the result.
When it's useful
- Planning savings goals
- Comparing savings schemes
- Teaching how compounding works
Limits to know
- Assumes a constant rate and deposits at each month's end. Taxes, zakat and fees are not deducted.
- Returns from real investments are not guaranteed.
Your privacy
Everything is worked out in your browser. What you type isn't uploaded, saved or shared, and there's no sign-up.
Questions
What is compound interest?
Interest that is added to your balance so the next period's interest is calculated on a bigger amount.