Savings & Compound Interest
See the power of compounding on your savings. Compare your total contributions to the interest earned over decades.
Investment Growth
The Compounding Rule
Compound interest is the 8th wonder of the world. By earning interest on your interest, you create an exponential wealth curve. This simulator assumes monthly compounding for maximum realism.
Compound Interest Calculator - Wealth & Growth Projection
Calculate the future value of your investments with compound interest. See how consistent monthly deposits and interest rates translate into long-term financial freedom. Our tool breaks down principal vs interest growth over 30 years.
How to Project Wealth
Understand your financial future in seconds:
Wealth Features
Compound Growth Chart: Interactive visualization of your money working for you.
Principal vs Interest: See exactly how interest overtakes your original cash over time.
Flexible Compounding: Adjust annual or monthly compounding frequencies.
Total Gain Breakdown: Know your net profit after taxes or fees.
FAQ
What is the rule of 72?
Divide 72 by your interest rate to estimate how many years it takes for your money to double.
Why is compounding so powerful?
Because you earn interest not only on your original money but also on the interest you've already accumulated.
Is 8% a realistic return?
Historically, the S&P 500 has returned an average of about 10% annually before inflation.