Compound Interest Calculator

Easily calculate how your money can grow with the power of compound interest and make smarter financial decisions. This free financial calculator lets you simulate investments by entering your initial capital, regular contributions (monthly or yearly), interest rate, and time horizon. You'll instantly see the total invested amount, the profit earned, and a chart showing your wealth growth year by year.

The app supports monthly or yearly compounding and over 60 international currencies, making it useful for personal savings or long-term investment planning: retirement goals, education funds, or comparing different contribution scenarios. You can adjust the compounding frequency and test various interest rates to see how returns and growth change.

Designed to be simple, intuitive, fast, and accurate — you can run multiple calculations, compare strategies, and improve your financial literacy. Your data is processed locally on your device, and no account is required to use the app.

Download now and start planning your financial future: optimize your contributions, understand the power of compound interest, and take control of your savings and investments.

If you enjoy the app, please leave a rating and help us improve it.

Recent changes:
An update focused on stability and design ✨

• The results chart now looks better in both light and dark mode
• Fixed some issues that could unexpectedly close the app
• Small visual tweaks for a smoother experience

What do you think of this update? Let us know with a review.