Kelly Criterion, "Optimal" Bet Calculator
Input Data Values
Probability: Ex: coin flip is .5
Odds: Reward or Payout/ Initial Bet Size (R-Multiple).
Bankroll: Total potential allocated capital . (USD)
Adjusted Kelly: Depending on risk appetite and bankroll, you may want to reduce volitility by choosing 1, .5, .25.




Kelly Criterion Calculation Results
Calculated Results Values
Kelly Criterion (Adjusted)
Bet This Much (Adjusted)
Always remember the 2% rule associated with Gambler's Ruin
0200000.0010000.000.0500
1190000.009500.000.0500
2180500.009025.000.0500
3171475.008573.750.0500
4162901.258145.060.0500
5154756.197737.810.0500
6147018.387350.920.0500
7139667.466983.370.0500
8132684.096634.200.0500
9126049.896302.490.0500
10119747.405987.370.0500
11113760.035688.000.0500
12108072.035403.600.0500
13102668.435133.420.0500
1497535.014876.750.0500
1592658.264632.910.0500
1688025.354401.270.0500
1783624.084181.200.0500
1879442.883972.140.0500
1975470.743773.540.0500
2071697.203584.860.0500
2168112.343405.620.0500
2264706.723235.340.0500
2361471.383073.570.0500
2458397.812919.890.0500
2555477.922773.900.0500
2652704.022635.200.0500
2750068.822503.440.0500
2847565.382378.270.0500