Kelly Calculator
Calculate the optimal bet size using the Kelly Criterion. Enter the odds and your estimated win probability to determine what fraction of your bankroll to wager.
%
$
Expected Value
26.00%
Fraction of Bankroll to Wager
11.82%
Amount to Wager with ${{ bankroll }} bankroll
$1182
Kelly Criterion calculates the optimal fraction of your bankroll to wager to maximize long-term growth. The multiplier (typically 0.25) reduces the Kelly fraction to minimize risk while still capturing most of the growth benefit.