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Compound Interest Calculator
Calculate compound interest on investments and savings. See how your money grows over time with daily, monthly, or annual compounding.
$
$
Future Value
$225,974.15
after 20 years
Total Invested
$82,000.00
Interest Earned
$143,974.15
Growth
175.6%
Multiplier
2.76×
Growth chart
How to Use the Compound Interest Calculator
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia, Europe. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
What is compound interest?
Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods.
How often should interest compound?
Daily compounding yields slightly more than monthly or annually. Most savings accounts compound daily.