Compound Interest Calculator
See your money grow — with optional monthly contributions. Calculate compound interest with any compounding frequency. Optional monthly deposits show how small contributions compound over years. Free growth calculator.
Acerca de Compound Interest Calculator
Einstein allegedly called compounding the eighth wonder of the world, and the numbers justify the story. This calculator projects growth of an initial amount at any interest rate with daily, monthly, quarterly, half-yearly or yearly compounding — and lets you add regular monthly contributions to see their dramatic long-term effect. A yearly breakdown table shows the balance, contributions and interest earned per year, so you can watch interest start earning interest.
Cómo usar Compound Interest Calculator
- Enter your starting amount.
- Set the annual interest rate and years.
- Choose the compounding frequency.
- Optionally add monthly contributions and review the table.
Características principales
- Daily to yearly compounding frequencies
- Optional recurring monthly contributions
- Year-by-year growth table
- Final value split into principal and interest
Why does compounding frequency matter?
What is the Rule of 72?
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