Simple & Compound Interest Calculator
Compare Simple vs. Compound interest growth. Visualize how compounding frequency (daily, monthly, yearly) explodes your wealth over time.
The Power of Compounding
Albert Einstein famously called compound interest the 'eighth wonder of the world.' While simple interest only pays you based on your original deposit, compound interest pays you interest ON your interest. This calculator allows you to model both formulas side-by-side, proving exactly how much faster your wealth will grow with a compounding investment account.
Why Use Our Simple & Compound Interest Calculator?
- Side-by-Side Comparison: Instantly see the dollar difference between Simple and Compound.
- Adjustable Frequencies: See the massive impact of Daily vs Yearly compounding.
- Retirement Planning: Accurately forecast your stock market returns.
- Private Math: Your portfolio data is never sent to our servers.
How to Use the Simple & Compound Interest Calculator
Enter your Principal Investment amount.
Enter the Annual Interest Rate (%).
Select the duration in Years.
Select the Compounding Frequency (e.g., Monthly).
Click 'Calculate' to see the exact financial outcome.
Frequently Asked Questions
It means how often the bank adds the earned interest into your main balance. If it compounds 'Monthly', you earn interest 12 times a year, causing the balance to grow much faster.
The stock market inherently relies on compound growth. As your stocks grow in value, the percentage gains in subsequent years are calculated on that new, larger value.
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