Back to all tools
Math & Calculators

Free Compound Interest Calculator Online

Initializing tool...

Ubify Intelligence Team

EDITORIAL TEAM

~1 min read
~129 words
VERIFIED MAY 2026

About This Tool

The Compound Interest Calculator shows how your investment grows over time with compound interest — accounting for principal, annual rate, compounding frequency, and time period. It displays the final amount and total interest earned. Free, no account, runs in browser.

How to Use

  1. 1

    Enter your principal amount, annual interest rate, compounding frequency, and time period.

  2. 2

    The final balance and total interest earned appear instantly.

  3. 3

    Review the year-by-year growth table to see compounding in action.

Frequently Asked Questions