$
0.25
0.10.250.50.751.0

Recommended bet

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Enter odds and win probability to size your bet.

Expected value
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Fraction of bankroll
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Break-even win rate
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How to use the Kelly calculator

Enter your bankroll, Kelly multiplier, odds, and estimated win probability. The calculator returns expected value, the fraction of bankroll to bet, and the recommended bet amount.

Frequently asked questions