Bet Calculator
Calculate payouts for straight bets, parlays, and round robins instantly. Enter your odds and stake to see exactly what you'd win, your implied probability, and expected value.
Supports American, decimal, and fractional odds. Built-in bankroll risk analysis to help you size bets wisely.
See all Premium tools →Bet Calculator
Calculate payouts, analyze risk, and size your bets.
Total Payout
Stake
Odds
Implied Prob
The sportsbook's estimated chance of this bet winning, derived from the odds.
Your Win %
Your estimated probability — from hit rates or manual entry. Compare vs implied prob to find value.
Expected Value
How much you'd profit on average per bet. Positive EV = long-term profitable bet.
Legs
Bet
Odds
Win %
No legs yet
Import from slip, search props, or add manually
Bankroll & Risk
Enter your total bankroll to get bet-sizing recommendations based on the Kelly Criterion — a formula that maximizes long-term growth.
Risk Level
Based on what % of your bankroll this bet represents. Under 2% = standard, over 5% = very high.
% of bankroll
Recommended Sizing
Kelly Criterion calculates the optimal bet size based on your edge. Quarter Kelly (safer) is recommended for most bettors.
Optimal (Full Kelly)
Recommended (¼ Kelly)
Quick Stakes
Click to apply this stake amount. Safe = 1% of bankroll, Standard = 2%, Aggressive = 5%.
Enter your bankroll to see risk analysis
Add legs to see risk analysis
Add from Props
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