House-edge database
Search 100 documented wagers, rule packages, denominators and evidence states.
Open toolCalculators · selectors · references
Casino math tools.
Choose a tool only after identifying the exact game, rules and wager. Every result remains tied to its stated assumptions.
Blackjack rule selector
Match six material table rules to a supported total-dependent chart.
Open toolUTH decision explorer
Walk through simplified preflop, flop and river decisions with limitations visible.
Open toolSide-bet EV calculator
Enter complete outcome counts and payouts to calculate EV, RTP and house edge.
Open toolVideo poker pay-table comparer
Compare common Jacks or Better schedules and theoretical cost.
Open toolCasino calculators
Estimate expected loss, total action and game-specific outcomes.
Open toolPrintable strategy charts
Open branded, rule-matched charts and save them as PDFs.
Open toolSide-bet directory
Identify which optional wagers need separate pay-table analysis.
Open toolRule comparisons
Compare payouts, wheels, wagers and rule packages on a consistent denominator.
Open toolUse tools responsibly
A result is only as accurate as its inputs.
Begin with the posted table rules or machine pay table. Identify the wager and denominator, then select the matching tool. If the exact configuration is unsupported, the responsible answer is “not calculated”—not the nearest familiar percentage.
Expected-cost frameworkTotal action × house edge
This gives long-run theoretical loss for a matching model. It does not predict the result of one session or remove variance.