Kelly criterion stake calculator
Tell the calculator the odds, your estimate of the win chance and your bankroll to get a stake.
Kelly fraction
Expected value+10.00%
Full Kelly10.00%
Recommended stake€33.33
How it works
Full Kelly is (probability times odds minus 1) divided by (odds minus 1), as a share of the bankroll. It is zero when the bet has no edge. Most bettors stake only a fraction of it, because a small error in the probability makes full Kelly far too aggressive.
More calculators
- Implied probability calculatorConvert decimal odds into the implied probability in percent. Type the odds and see the chance the bookmaker is pricing in.
- No-vig fair odds calculatorRemove the bookmaker margin from a 2-way or 3-way market and get fair odds with both the multiplicative and the power method.
- Hedge bet calculatorFind the stake that locks in the same payout on both sides after you placed a bet. See the locked result and the profit you give up.
- Arbitrage stake calculatorSplit a total stake across the outcomes of a 2-way or 3-way arbitrage so every result pays the same. Shows profit and ROI.
Put it into practice
kefas continuously collects odds from Lithuanian bookmakers and shows the highest price on offer for every pick.
Betting always carries risk: even a positive-EV bet can lose. Only stake what you can afford to lose, and if gambling is becoming a problem, seek help.