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Lottery Odds Calculator

Select a game and see the real jackpot odds. Adjust the ticket count to see how coverage changes — and how small the probability remains.

Want to understand why buying more tickets barely moves the needle? Read how lottery math works →

Select a game to see the odds

  • This tool does not predict lottery results.
  • Every valid combination has the same mathematical chance.
  • Odds shown are for the jackpot prize only.
  • Use lotto as entertainment only. Set a budget and play responsibly.

What are the odds of winning the lottery?

The odds of winning a lottery jackpot are 1 divided by the number of valid combinations in the game format. A classic 6/49 draw has 13,983,816 possible combinations, so one ticket covers exactly 1 in 13,983,816 of them. Powerball’s 5/69 + 1/26 format has 1 in 292,201,338 jackpot combinations. Buying more tickets multiplies your coverage in a straight line — 100 tickets is still a rounding error against nine-digit denominators, which is what the calculator above shows.

Which lottery has the best odds of winning?

The lottery with the best jackpot odds is simply the one with the smallest combination space — and in this catalogue that is Lotto at 1 in 3,838,380. The headline games run far longer: Powerball (1 in 292,201,338) and Mega Millions (1 in 290,472,336). Better jackpot odds usually come with smaller jackpots, and the chance of winning any prize is always higher than the jackpot odds — compare denominators across the games below before choosing what to play.