Probability, Risk & Odds Simulators
Play a probability puzzle by hand, then run it a million times to see if it matches the theory.
Monty Hall Paradox
Switch or stay? Watch the two win rates split apart over a million runs.
1,000,000 runsProbability
Lotto Until Jackpot
Keep buying tickets until the jackpot lands. Track money spent against prizes returned.
8,145,060 : 1Finance
Powerball Until Jackpot
Five white balls plus the red Powerball — 1 in 292 million. Watch where the money goes.
292,201,338 : 1Finance