Investment Calculator
Project your investment growth over time and compare different return scenarios.
How Investment Growth Works
This calculator uses the compound interest formula to project your investment growth. Your starting amount and monthly contributions grow at the expected annual return rate, compounded monthly. The power of compounding means your returns earn their own returns over time.
The three scenario cards show how different return assumptions affect your outcome. Conservative (4%) reflects bonds or stable assets, moderate (7%) approximates historical stock market averages, and aggressive (10%) represents high-growth portfolios. If you enter an inflation rate, the calculator also shows your final value in today's purchasing power.