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Free Casino Calculators
Interactive tools built on real maths — no fluff, no "guaranteed win" nonsense. Each calculator uses the actual house edge and probability data from the games to show you exactly what to expect. Use them to make informed decisions before you play.
Edge-to-Zero Calculator
No game is truly 0% — rakeback is how you get there. Pick a game, your monthly wager, and an operator, and watch your effective house edge fall toward zero. Find the combination closest to 100% RTP.
| Game | Operator | Rakeback | Raw edge | Effective edge |
|---|---|---|---|---|
| Duel Blackjack | Duel | 50% | 0.10% | ~0.05% |
| Live Blackjack | Roobet | 20% | 0.50% | ~0.40% |
| Stake Originals | Stake | 10% | 1.00% | ~0.90% |
| Average slot | none | 0% | 4.00% | 4.00% |
Odds & Probability Converter
Convert American, decimal, fractional and prediction-market prices instantly, with the $100-stake payout alongside.
Bankroll Survival Calculator
See how long your budget lasts, your hourly cost, and ruin probability for any game.
Crash Game Odds Calculator
Compare win probability, expected profit, and house edge cost across Roobet, Aviator, BC.Game, and Stake.
Blackjack Decision Tool
Look up the optimal play for any hand and dealer upcard. Full basic strategy in one click.
Mission Uncrossable Odds Calculator
Calculate survival probability, multiplier, and expected value at any difficulty and lane target.
All tools are free, require no account, and run entirely in your browser. No data is collected or stored.
