Investment Calculator
Calculate investment returns, ROI, and future value of investments. Compare scenarios with different rates and time horizons.
Future Value
$225,974.15
after 20 years
Total Invested
$82,000.00
Interest Earned
$143,974.15
Growth
175.6%
Multiplier
2.76×
Growth chart
About the Investment Calculator
An investment calculator is essential for anyone building wealth through stocks, bonds, real estate, or any other asset class. Our free investment return calculator helps you project the future value of any investment, compare different return scenarios, and understand how time and rate of return interact to create long-term wealth. Whether you're planning for retirement, saving for a child's education, or evaluating a business investment, this tool provides the numbers you need.
How It Works
Investment growth follows the compound interest formula: FV = PV × (1 + r)^n, where FV is future value, PV is present value (initial investment), r is the annual return rate, and n is the number of years. With regular contributions, the formula becomes more complex but our calculator handles it automatically. A $10,000 investment growing at 10% annually becomes $25,937 after 10 years, $67,275 after 20 years, and $174,494 after 30 years — demonstrating why starting early is the single most powerful investment strategy.
Tips & Best Practices
- ✓The S&P 500 has averaged approximately 10% annually since 1926, including dividends.
- ✓Tax-advantaged accounts (401k, IRA, ISA, RRSP) dramatically boost real returns.
- ✓Dollar-cost averaging — investing fixed amounts regularly — reduces timing risk.
- ✓A 2% annual fee on a $100,000 investment costs over $100,000 over 30 years.
- ✓Reinvesting dividends historically accounts for 40% of total stock market returns.
Who Uses This Calculator
Use this calculator to model retirement savings scenarios, compare investment options with different expected returns, or demonstrate to yourself the cost of delaying investment. Someone who invests $500/month starting at age 25 at 8% annual returns will have $1.75 million at age 65. Starting at 35 instead yields only $745,000 — a $1 million difference from just 10 years' delay.
Optimised for: USA · Canada · UK · Australia · Calculations run in your browser · No data stored
Frequently Asked Questions
What is a good ROI?
The S&P 500 averages ~10% annually over long periods. A ROI above this is considered excellent.