Use these free CrapsPit tools to practise a complete round, examine dice probabilities, verify a payoff and compare the long-run cost of common wagers. They use virtual amounts and explain the mathematics without promising a winning system.
Interactive craps tools
Choose what you want to check
Start with the table coach if you are learning the sequence. Use the calculators when you want to inspect a specific probability, payout or house edge.
Practice the round
Free Craps Table Coach
Place virtual wagers, follow the puck and see how each roll changes the table. Optional coaching explains decisions while you play.
- Normal play and guided lessons
- Accessible animated dice
- Roll and payout ledger
Explore probability
Craps Probability Explorer
See how often every dice total appears, compare a selected number with 7 and examine the expected rolls before resolution.
- All 11 dice totals
- Number-before-7 races
- Common-bet comparison
Verify the payoff
Craps Payout Auditor
Check net profit, returned stake, total returned, commissions and the wager multiples that produce clean casino payouts.
- Standard payout verification
- Buy and Lay commissions
- Correct wager multiples
Compare the cost
Craps Bet Calculator
Compare standard payouts, house edge and modeled expected loss for common bets at the wager amount you choose.
- House-edge comparison
- Expected-loss modeling
- Clear payout guidance
Tools explain risk; they do not remove it
Craps outcomes remain random, and every casino wager except Odds carries a house edge. These tools are for education and checking arithmetic—not predicting the next roll. Set a budget before playing and never chase losses.
