Calculate. Plan. Achieve.
Compound Calc is a powerful yet simple compound interest calculator that helps you understand how your investments grow over time. Track your financial goals, visualize your progress, and make informed decisions about your financial future—all with complete privacy and no internet connection required.
Features
Compound Interest Calculator
Calculate future value of investments with customizable interest rates, time periods, and compounding frequencies. See exactly how your money grows over time.
Financial Goal Tracking
Set and track multiple financial goals—retirement, house down payment, emergency fund, or any savings target. Monitor your progress and stay motivated.
Visual Growth Charts
See your investment growth over time with beautiful, interactive charts. Visualize the power of compound interest and how contributions impact your returns.
Calculation History
All your calculations are automatically saved for easy reference. Review past scenarios and compare different investment strategies.
Regular Contributions
Model the impact of monthly or yearly contributions to your investments. See how consistent saving accelerates your wealth building.
Reverse Calculations
Find the interest rate needed, time required, or initial investment to reach your goals. Plan backwards from your target to today.
Dark Mode Support
Automatically adapts to your device's theme preference. Easy on the eyes whether you're planning during the day or night.
100% Private
All data stays on your device. No internet required, no data collection, no tracking, no ads. Your financial information is completely private.
Why Compound Calc?
Perfect For
📈 Investors
Project returns on stocks, bonds, mutual funds, or any investment. Compare different scenarios to optimize your portfolio strategy.
💼 Retirement Planning
Calculate how much you need to save monthly to reach your retirement goals. See the impact of starting early vs. starting late.
🏠 Major Purchases
Plan for a house down payment, car purchase, or any major expense. Know exactly when you'll reach your savings target.
🎓 Education Savings
Save for college tuition or education funds. Model different contribution amounts and investment returns to meet education costs.
🚨 Emergency Funds
Build your financial safety net. Calculate how long it will take to save 3-6 months of expenses with regular contributions.
📚 Financial Education
Learn about compound interest, investment growth, and the time value of money. Perfect for students and beginners.
Simple and Intuitive
How It Works
1. Enter Your Information
Input your starting amount, expected return rate, and time period. Choose how often interest compounds.
2. Add Regular Contributions (Optional)
Include monthly or yearly additions to your investment to see how consistent saving accelerates growth.
3. See Your Results
Instantly view your projected future value, total interest earned, and a visual chart of growth over time.
4. Track Your Goals
Set financial goals and monitor your progress. The app calculates if you're on track and when you'll reach your target.
5. Review History
All calculations are saved automatically. Review past scenarios and adjust your strategy as needed.