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MyBankroll Tools & simulators

All our free tools, no signup, to bet smarter and understand more.

⚽ Sport simulators

🏆 World Cup 2026 Bracket Simulator Build your 2026 World Cup bracket, simulate with bookmaker odds, share your picks. Launch →

🧮 Sports betting calculators

📊 Kelly Criterion Calculator Calculate optimal bet size based on your estimated probability and bookmaker odds. Launch → 🎯 Value Bet Calculator (EV+) Identify positive expected value bets based on your prob vs bookmaker odds. Launch → 🎲 Odds Converter Convert odds decimal ↔ fractional ↔ American, with implied probability. Launch →