Math
Interactive calculators
Explore probability, edge, and bankroll math with transparent formulas.
probability
Crash Probability Calculator
Estimate survival probability and implied EV for Crash/Limbo-style targets.
probability
Dice Probability Calculator
Convert win chance to multiplier and inspect EV under a house edge.
edge
House Edge Calculator
Convert between RTP and house edge; estimate expected loss from handle.
edge
Expected Value Calculator
Compute EV for simple win/lose wagers from probability and payoff.
bankroll
Kelly Criterion Calculator
Educational Kelly sizing for known-edge bets — with warnings for −EV games.
edge
RTP Calculator
Translate RTP, edge, and wagered volume into expected return and loss.
planning
Wager Calculator
Estimate total handle from stake, rounds, and rounds-per-hour.
bankroll
Risk Calculator
Explore ruin-style intuition using stake fraction and losing-streak scenarios.