Games, Lotto & Casino Calculators
Explore lottery odds, dice, cards, roulette, blackjack, poker, raffles and casino math.
Entertainment and education only: These calculators explain probability and expected value. They do not predict results or guarantee winnings.
Lottery Odds Calculator
Calculate the jackpot odds for choosing numbers from a larger lottery pool.
Lottery Ticket Cost Calculator
Estimate the cost of buying lottery tickets over time.
Lottery Prize Split Calculator
Divide a lottery prize among multiple winners after an optional tax estimate.
Raffle Odds Calculator
Calculate your probability of winning one or more prizes in a raffle.
Keno Match Odds Calculator
Estimate the probability of matching a chosen number of spots in a generic keno drawing.
Bingo Card Probability Calculator
Estimate the chance that all required numbers on a simple bingo pattern have been called.
Coin Toss Probability Calculator
Calculate the probability of getting an exact number of heads in repeated fair coin tosses.
Dice Roll Probability Calculator
Calculate the probability of rolling a target value on one die over multiple rolls.
Two-Dice Total Calculator
Calculate the probability of a specific total when rolling two standard dice.
Craps Pass Line Odds Calculator
Show the standard probability and house edge for a basic craps pass line wager.
Roulette Odds Calculator
Compare the probability and payout for common American or European roulette bets.
Blackjack Hand Value Calculator
Total a blackjack hand while treating aces as 1 or 11 as appropriate.
Blackjack Bust Probability Calculator
Estimate the chance of busting on the next card using a simplified infinite-deck model.
Baccarat Hand Value Calculator
Calculate baccarat hand values using the ones digit of the card total.
Poker Hand Odds Calculator
Estimate the chance of completing a drawing hand from known outs and unseen cards.
Video Poker Draw Odds Calculator
Estimate the probability of hitting at least one desired card when drawing replacements.
Slot Machine RTP Calculator
Estimate expected return and expected loss from a slot machine RTP percentage.
Casino House Edge Calculator
Calculate expected casino advantage and player return from a house-edge percentage.
Expected Gambling Loss Calculator
Estimate long-run expected loss from average wager, number of bets, and house edge.
Parlay Odds Calculator
Combine independent decimal odds to estimate a parlay payout and implied probability.