Compound Interest Calculator

Compound Interest Calculator

See how your savings or investments grow over time with compound interest.

About this tool

The Compound Interest Calculator projects how an investment grows when interest compounds. Enter your principal, annual rate, time period and compounding frequency to see the future value and total interest earned. Add optional regular contributions to model SIPs and recurring deposits. All projections run locally in your browser.

How to use the Compound Interest Calculator

  1. 1

    Enter principal and rate

    Add your starting amount and annual interest rate.

  2. 2

    Set period and frequency

    Choose the duration and how often interest compounds.

  3. 3

    View growth

    See the projected future value and total interest.

Frequently Asked Questions

What does compounding frequency mean?

It's how often interest is added back to the principal — yearly, quarterly, monthly or daily. More frequent compounding grows faster.

Is this financial advice?

No, it's a projection tool for illustration. Returns aren't guaranteed; consult a financial advisor for decisions.

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