Compound Interest Calculator - Free, Instant, In Your Browser
Enter the principal, annual rate, years, and how often interest compounds per year.
How to use Compound Interest Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Compound Interest Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What does 'compounds per year' mean?
How often interest is added to the balance - 12 for monthly, 4 for quarterly, 1 for annually. More frequent compounding grows the balance faster.
What's the formula used?
Future value = Principal × (1 + Rate/100/n)^(n × Years), where n is compounds per year.