Lottery Odds Calculator
Find the odds of winning a pick-k-from-n lottery.
Your true chance of winning
Lottery jackpot odds come straight from combinatorics: the number of ways to choose the drawn numbers. The odds are famously long, and this calculator shows exactly how long.
Matching 6 numbers from a pool of 49 has about 1 in 13.98 million odds — the classic lottery figure. Change the numbers to match any game’s format.
Eye-opening and private
The calculation runs in your browser, so nothing you enter is uploaded.
Frequently Asked Questions
How are the odds found?
The number of possible combinations is n choose k; the odds of matching all are one in that many.
Does order matter?
No. Lotteries draw a set of numbers regardless of order, so combinations are the right count.
Does it cover bonus balls?
This computes the main jackpot odds. Bonus balls and secondary prizes are separate calculations.
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