Free Compound Interest Calculator
See how savings grow with compounding.
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About the Compound Interest Calculator
Free compound interest calculator. Project how an investment grows over time with regular contributions and adjustable compounding frequency.
How it works
- 1
Enter starting amount
Your initial principal and rate.
- 2
Add contributions
Optional recurring deposits.
- 3
See projection
View the final balance and interest earned.
Frequently asked questions
Annual, semi-annual, quarterly, monthly and daily compounding.
Yes — add a recurring contribution to see its long-term impact.