Compound Interest Calculator
Project compound growth with annual or monthly compounding.
Final amount
14898.46
Interest earned
4898.46
About this tool
Compounding turns time into a multiplier—if you stay invested. This free compound interest calculator projects growth from principal, rate, and compounding frequency. Model scenarios locally for savings goals, then remember real returns vary with fees and markets.
How to use
- Enter starting principal and annual rate.
- Set time horizon and compounding frequency.
- Calculate future value and interest earned.
- Compare scenarios by changing rate or years.
Frequently asked questions
If a contribution field exists, use it; otherwise this models a single principal growing over time.