Compound Interest Calculator
CalculationCalculate compound interest online with annual rate, compound frequency and monthly contributions, plus a yearly growth table. Free and fully client-side.
A mathematical estimate of compound growth. Real accounts may add tax, fees or different rounding.
Enter the amount and rate to see your growth plan.
What is Compound Interest?
Compound interest means your returns earn their own returns. This calculator shows how an initial deposit grows over the years when interest is added, with optional monthly contributions and a full yearly breakdown.
What you can adjust
- Starting amount and monthly deposit.
- Annual rate and compounding frequency (yearly, monthly, daily).
- Investment length in years or months.
Why the yearly table matters
The yearly breakdown shows exactly how much comes from contributions and how much is earned interest each year. Use it to compare scenarios, such as saving more each month versus getting a higher rate.
FAQ
- How does compounding frequency change? Pick daily, monthly or yearly in the settings and the table recalculates.
- Is this tax-adjusted? No — the result is gross growth before any taxes or fees.
- Is my data safe? All calculations happen in your browser; nothing is sent anywhere.
Frequently Asked Questions
What is Compound Interest Calculator?
Calculates compound interest growth with regular contributions and a full yearly breakdown.
How do I use Compound Interest Calculator?
Type or paste your data into the field on this page and press the button. The result is calculated instantly in your browser — nothing is uploaded.
Is Compound Interest Calculator free?
Yes, Compound Interest Calculator is completely free. No signup, no downloads and no usage limits.
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