Free Tools
Casino Calculators
Five free tools to help you understand the real value of casino bonuses, work out wagering requirements, and manage your bankroll responsibly.
All calculations are done instantly in your browser. No data is stored or shared.
Wagering Requirement Calculator
Enter your bonus amount and wagering multiplier to find out exactly how much you need to bet before you can withdraw your winnings.
The bonus credited to your account
e.g. enter 35 for 35x wagering
Bonus Expected Value Calculator
Calculates the true expected value of a bonus in pounds. A positive EV means the bonus is theoretically profitable before variance; negative means the house still has an overall edge.
e.g. enter 35 for 35x
Slots average 96%. Check the game info panel.
Free Spins Value Calculator
Free spins sound exciting but the actual cash value is often small. This calculator shows you what they're realistically worth after RTP and wagering requirements.
Usually £0.10 — check the bonus terms
Usually 95–97% for the designated slot
Leave blank if no wagering on spin winnings
Deposit & Bonus Calculator
Work out exactly how much bonus you'll receive based on your deposit, the match percentage, and any maximum bonus cap — plus the total wagering needed.
e.g. 100 for a 100% match bonus
Leave blank if no cap
Leave blank if no wagering required
Bankroll Management Calculator
Understand how far your money goes at different bet sizes and game house edges. Helps you set session limits and bet responsibly.
Total amount you're willing to play with
Amount per spin or bet
Roulette 2.7% · Blackjack ~0.5% · Slots ~4%
Common house edges
European Roulette2.7%
Blackjack (optimal)0.5%
Slots (avg)4%
Baccarat1.06%
These calculators are for informational purposes only. Gambling outcomes involve variance and these tools show statistical averages, not guaranteed results. If you're concerned about your gambling, visit BeGambleAware.org or call GamCare on 0808 8020 133.