Calculator
Wagering calculator
See how much you have to bet to clear a casino bonus, what that is expected to cost you, and whether the bonus is worth taking.
Tools
Free calculators for casino bonuses, house edge and provably fair bets. Each one shows how its number is worked out.
Calculator
House edge calculator
Turn a game's RTP or house edge into the amount you can expect to lose, from your average bet and how many bets you place.
Verifier
Provably fair verifier
Check that a revealed server seed matches the hash you were shown before the bet. It runs in your browser and sends nothing anywhere.
18+ only. These tools help you understand the odds. They do not beat them. Gambling carries real financial risk and is not a way to make money. Only bet what you can afford to lose, and get help from a local support service if it stops being fun.