Finance calculator
Compound Interest Calculator
Estimate future value, contributions, and interest earned with monthly compounding.
Finance estimate
Compound Interest Calculator
Estimate future value from a starting amount, monthly contributions, annual return, and time.
Estimated future value
$50,066.82
Based on $5,000.00 starting amount, $250.00 monthly, and 6% annually for 10 years.
Total contributions
$35,000.00
Interest earned
$15,066.82
Number of months
120
Formula
The calculator compounds monthly. Each month applies the monthly rate to the current balance, then adds the monthly contribution.
When to Use This Compound Interest Calculator
Use this tool to estimate long-term savings, investment growth, recurring contributions, and the effect of compounding over time.