Investment Calculator
Project how your lottery take-home can compound over time and compare return scenarios.
Inputs
Start with your current powerball cash estimate or enter your own amount.
7.0%
Projected Portfolio
$3,869,684
Growth from Returns
$2,869,684
Inflation-Adjusted Value
$2,361,556
Estimated Annual Passive Income (4% Rule)
$154,787/yr
Scenario Comparison
Conservative
4% annual return
$2,191,123
Balanced
7% annual return
$3,869,684
Growth
10% annual return
$6,727,500
Want your actual after-tax starting amount first?
Run the core calculator, then project growth here.
How Investing Lottery Winnings Works▼
After taxes, a large lottery jackpot still leaves you with a substantial sum that can generate significant wealth through compound growth. The key concept is compound interest — your returns earn returns of their own, creating exponential growth over time.
Understanding the scenarios: The Conservative scenario (4% annual return) reflects a portfolio heavily weighted toward bonds and fixed-income investments — lower risk, lower reward. The Balanced scenario (7%) represents a diversified mix of stocks and bonds, close to the historical average of the S&P 500 after inflation. The Growth scenario (10%) represents aggressive equity investing — higher potential returns but with more volatility.
Why inflation adjustment matters: A dollar today buys more than a dollar in 20 years. The inflation-adjusted value shows what your future portfolio would be worth in today's purchasing power. At 2.5% inflation, $1 million today is equivalent to about $610,000 in 20 years. Always consider real (inflation-adjusted) returns when planning.
The 4% rule for passive income: Financial planners often reference the "4% rule" — withdrawing 4% of your portfolio annually provides sustainable income without depleting the principal over a 30-year retirement. This is how we estimate your potential passive income. A $10 million portfolio could generate roughly $400,000/year in passive income.
Important: These projections use fixed annual returns for simplicity. Real markets fluctuate significantly year to year. Consult a certified financial planner before making investment decisions with lottery winnings or any large sum.