Lottery Odds Calculator
Shows how unlikely a win is, from the size of the draw.
Odds of matching everything
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Chance of ever matching, over those years —
Years for an even chance —
Matching the main numbers
Reading this —
The formula
combinations = C(pool, picks) × C(bonus pool, bonus picks) P(match k) = C(picks, k) × C(pool − picks, picks − k) ÷ C(pool, picks)
A bonus ball drawn from the same pool, as some games use, has its own odds that are not covered by this formula. Check the rules of the game.
What to watch out for
Odds this long are hard to picture. The years figure helps: it is how long you would need to play for even a coin-flip chance of matching everything.
Frequently Asked Questions
What are the odds of picking 6 from 49?
1 in 13,983,816.
How long is that at one ticket a week?
About 186,401 years for an even chance.
Are some numbers luckier than others?
No. Each set of numbers is exactly as likely as any other, and draws have no memory.