Estimate how your money grows with compound interest.
Add the initial principal you’re investing or saving.
Enter the annual interest rate (for example, 5%).
Set how long the money will be invested (in years).
Choose how often interest is compounded (monthly, quarterly, annually, etc.).
Simple interest is calculated only on the principal, while compound interest is calculated on the principal plus previously earned interest.
Generally yes—more frequent compounding can slightly increase the total amount, especially over longer periods.
This calculator focuses on compounding growth based on the inputs provided. If you make regular contributions, use an investment calculator that supports contributions.
Calculate compound interest on an investment based on principal, interest rate, time, and compounding frequency.
The Compound Interest Calculator helps you calculate the interest earned on an investment with compound interest. Input your principal amount, interest rate, time period, and compounding frequency to see how your investment grows over time.
Estimate how your money grows with compound interest.