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Lottery Calculator — What $20 Per Week Could Build Instead

What if you invested your lottery money in the S&P 500 instead?

Quick Answer

The odds of winning the Powerball jackpot are 1 in 292 million. You are 10 times more likely to be struck by lightning twice than win Powerball. Spending $20 per week on lottery tickets costs $1,040 per year. Invested at 7% annual return for 30 years that same $20 per week grows to $104,000.

Lottery calculators show the true expected value of lottery spending versus the opportunity cost of investing the same amount. The expected return on a lottery ticket is approximately 50 cents for every dollar spent — the worst investment available. This calculator compares your lottery spending to what the same money would build as an investment over time.

⚠️ Educational & entertainment purposes only. Not investment advice. Past S&P 500 returns do not guarantee future results. Consult a financial advisor.
$20.00
Per week
$87
Per month
$1,040
Per year
$20,800
20yr total

If $87/month was invested in S&P 500 for 20 years:

$70,244

The real lottery is compound interest 🎰

🎰 Lottery Reality Check

Odds of winning Powerball jackpot1 in 292 million
Odds of being struck by lightning1 in 500,000
Expected return per $1 lottery ticket~$0.52
Your expected lottery return over 20 years$10,816

🎰 Lottery after 20 years

$10,816
Statistical expected return (~52¢/$)
1 in 292M chance of jackpot

📈 S&P 500 after 20 years

$70,244
Historical avg 10.5% return
97% of 20yr periods were positive

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⚠️ Educational & entertainment purposes only. Not investment advice. Past S&P 500 returns do not guarantee future results. Consult a financial advisor.