Kelly Criterion Calculator | Kelly Calculator for Sports Betting

James Leeland
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Last Updated on Thu Mar 06 2025
Reviewed By: Mike McKean

The Kelly calculator is the perfect tool to help bettors evaluate the optimal size of their next bet. The calculator leverages an advanced mathematical formula to predict the best fraction of your bankroll to attribute to your desired bet.Kelly Criterion Calculator | Kelly Calculator for Sports Betting

Kelly Criterion Calculator | Kelly Calculator for Sports Betting

Kelly Criterion Calculator | Kelly Calculator for Sports Betting


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This Kelly Calculator is designed to help sports bettors understand how much of their bankroll they should wager based on their edge on a specific selection. In theory, the higher the edge a bettor feels they have, the more of their bankroll they should wager, but Kelly criterion can often suggest sums which are too aggressive. With this in mind, you can select a smaller fraction of the Kelly criterion to work with. For example, opting for half or a quarter Kelly may be the optimal way for bettors to approach their wagers and minimize the risk of ruin.Kelly Criterion Calculator | Kelly Calculator for Sports Betting

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Players must be 21 years of age or older or reach the minimum age for gambling in their respective state and located in jurisdictions where online gambling is legal. Please play responsibly. Bet with your head, not over it. If you or someone you know has a gambling problem, and wants help, call or visit: (a) the Council on Compulsive Gambling of New Jersey at 1-800-Gambler or www.800gambler.org; or (b) Gamblers Anonymous at 855-2-CALL-GA or www.gamblersanonymous.org.
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Kelly Criterion Calculator | Kelly Calculator for Sports Betting