Investing.com

  • Academy Center
  • Markets
  • News
  • Analysis
  • Charts
  • Technical
  • Tools
  • Watchlist
  • Webinars
  • InvestingPro
      Academy
      • Stocks
      • Crypto
      • Trading
      • ETFs
      • Currencies
      • Analysis
      • Statistics
      • Stock Picks
      • Financial Terms
      • Global Stock Picks
      • InvestingPro 101
      • Tools

      Table of contents

      • How to Use the Compound Interest Calculator
      • What is Compound Interest?
      • Ready to Take Your Investments to the Next Level?
      • How Compound Interest Relates to Individual Stock Picking:
      • How Compound Interest Doesn't Directly Apply to Individual Stock Picking:

      Academy Center > Tools

      Tools Beginner

      Compound Interest Calculator

      written by
      Hannah Wilson
      arrow-top

      English Markets Specialist at Investing.com (SEO)

      BA (Hons) Business (1st) University of Coventry, England

      • linkedin logo
      • twitter logo
      See Full Bio
      | updated July 24, 2025

      Want to know the secret weapon of successful investors? It’s the power of compound interest! Our free compound interest calculator makes it easy to visualize how your investments can grow over time. Simply enter your details and watch your financial future unfold.

      But understanding the numbers is just the beginning. Read on to discover how to maximize your returns.

      Compound Interest Calculator

      Compound Interest Calculator

      Result:

      How to Use the Compound Interest Calculator

      Our calculator is designed to be simple and intuitive:

      Principal Amount: Enter the initial amount you’re investing.

      Contribution Amount: Enter the amount you plan to contribute each period.

      Contribution Frequency: Select how often you’ll be making contributions (Annually, Monthly, etc.).

      Annual Interest Rate: Enter the expected annual interest rate (as a percentage).

      Compounding Frequency: Choose how often the interest is compounded (Annually, Monthly, Daily, or Continuously).

      Number of Years: Enter the length of your investment in years.

      Click “Calculate”: Instantly see your projected future value and a helpful chart illustrating your growth!

      “Compound interest is the eighth wonder of the world. He who understands it, earns it … he who doesn’t … pays it.”

      Albert Einstein

      What is Compound Interest?

      That quote, often attributed to Albert Einstein, perfectly encapsulates the power of compound interest. It’s essentially “interest on interest.” Instead of just earning returns on your initial investment (the principal), you earn returns on your principal plus the accumulated interest from previous periods. Over time, this effect can be dramatic, especially for long-term investments. The longer your money stays invested, the more powerful the compounding effect becomes. Regular contributions amplify this effect.

      The Power of Time: Even small investments can grow significantly over many years thanks to compounding.

      Consistent Contributions: Adding regular contributions, no matter how small, can dramatically increase your final investment value.

      Higher Interest Rates: A higher interest rate accelerates the compounding process, leading to faster growth. [Consider Linking this to an article on the impact of Inflation on interest rate]

      Ready to Take Your Investments to the Next Level?

      Understanding compound interest is vital, but finding the right investments is crucial for maximizing your returns. That’s where InvestingPro comes in!

      Unlock Market-Beating Stock Picks with AI

      InvestingPro’s AI-powered stock selection tools analyze thousands of stocks to identify those with the highest potential for growth. Stop guessing and start investing with confidence!

      This image has an empty alt attribute; its file name is image-2-1024x380.png

      How Compound Interest Relates to Individual Stock Picking:

      1. Reinvesting Dividends: The most direct connection is when you reinvest dividends from your stock holdings. Dividends are a portion of a company’s profits paid out to shareholders. If you choose to reinvest those dividends back into the same stock (or other stocks), you’re essentially applying the principle of compound interest. You’re now earning returns not only on your initial investment but also on the reinvested dividends. This can significantly boost your overall returns over time.
        • Example: You own 100 shares of a company paying a $1 dividend per share. You receive $100 in dividends. You use that $100 to buy more shares of the same company. Now you have more shares generating dividends, leading to even larger dividend payments in the future, which you can then reinvest again.
      2. Growth Stocks and Capital Appreciation: While growth stocks often don’t pay dividends, they aim for significant capital appreciation (an increase in the stock’s price). The goal is to buy the stock at a lower price and sell it at a higher price, realizing a profit. The concept of compounding applies here in the sense that:
        • A successful stock pick that appreciates in value allows you to reinvest that profit into other potentially successful stocks.
        • The more your portfolio grows through successful stock picks, the larger your capital base becomes, allowing you to take advantage of larger opportunities.
      3. Long-Term Investing Mindset: Understanding compound interest encourages a long-term investing mindset. It helps you avoid the temptation to try to “get rich quick” through risky short-term trades. Instead, you focus on finding quality companies with strong growth potential and holding them for the long haul, allowing the compounding effect to work its magic.
        • Patience and Consistency: Compounding works best over longer periods. Individual stock picking requires patience and consistency to identify winners and allow them to grow.
      4. Portfolio Growth and Rebalancing: As your successful stock picks grow, your overall portfolio value increases. This gives you more capital to invest in other stocks, further diversifying your portfolio and potentially increasing your overall returns. Rebalancing your portfolio (selling some of your winning stocks and reinvesting in other assets) can also be seen as a way to strategically manage the compounding process.

      With InvestingPro, unlock a wealth of professional-grade investment tools at your fingertips. From advanced stock analysis to exclusive data insights, investing smarter has never been easier.

      How Compound Interest Doesn’t Directly Apply to Individual Stock Picking:

      • Volatility: Unlike a savings account with a guaranteed interest rate, stock prices fluctuate. Your stock can go down in value, negating any potential compounding effect in the short term.
      • No Guaranteed Returns: There’s no guarantee that a stock will generate positive returns. The value can decline and potentially go to zero. Compound interest relies on consistently positive returns.
      • Taxes and Fees: Trading stocks often involves transaction fees and taxes on capital gains, which can reduce your overall returns and impact the compounding effect.

      • Related
      • Recent
        Dividend Returns Calculator
        Dividend Yield Calculator
        ETF Return Calculator
        Investment Returns Calculator: Calculate Expected Returns
        Net Worth Calculator: What Is My Net Worth?
        How To Compare Stock Performance: A Smart Investor’s Guide
        How To Compare Cryptocurrencies: A Complete Guide
        How to Spot Stock Market Trends: A Guide to Smart Investing
        How to Evaluate Renewable Energy Stocks: A Guide for Smart Investors
        How to Analyze Casino Stocks: A Guide for Savvy Investors
        How to Evaluate Cyclical Stocks: A Guide for Savvy Investors
        Nvidia vs AMD: Stock Comparison
        Nvidia vs Broadcom Stock Comparison
        Berkshire Hathaway Class A vs. Class B: Understanding the Differences
        Best AI Mega-Cap Stocks For 2025

      Recent Articles

      Investment Returns Calculator: Calculate Expected Returns

      Planning for your financial future can feel overwhelming, but understanding how your investments can grow is essential for achieving your goals. Whether you’re saving for

      Net Worth Calculator: What Is My Net Worth?

      Understanding your net worth is crucial for making informed investment decisions. This comprehensive calculator helps you track all your assets and liabilities in one place,

      ETF Return Calculator

      Investing in exchange-traded funds (ETFs) is a smart way to build wealth over time. Our ETF Savings Plan Calculator provides an easy, interactive tool for

      Dividend Returns Calculator

      Investing in dividend-paying stocks is a proven strategy for building wealth over time. With our Dividend Calculator, you can analyze how your portfolio grows with


      Install Our Apps

      Scan the QR code or install from the link

      www.facebook.comApp Store www.twitter.comGoogle Play

      www.investing.com
      • Blog
      • Mobile
      • Portfolio
      • Widgets
      • About Us
      • Advertise
      • Help & Support
      • Authors
      Investing.com
      www.facebook.com www.twitter.com

      Risk Disclosure: Please be fully informed regarding the risks and costs associated with trading the financial markets, it is one of the riskiest investment forms possible. Currency trading on margin involves high risk, and is not suitable for all investors. Before deciding to trade foreign exchange or any other financial instrument you should carefully consider your investment objectives, level of experience, and risk appetite. Fusion Media may be compensated by the advertisers that appear on the website, based on your interaction with the advertisements or advertisers.

      Fusion Media does not endorse any product or service and does not assume any liability regarding your interaction with any third party displayed on this site, including the nature, quality, supply or fitness for a particular purpose of the product or service, or any damage caused as a result of the use of such product or service.


      © 2007-2025 Fusion Media Limited. All Rights Reserved
      • Terms And Conditions
      • Privacy Policy
      • Risk Warning