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Kelly Criterion Calculator

Find the mathematically optimal stake size for value bets

How it works

Enter your estimated true probability and the bookmaker odds to find the optimal percentage of your bankroll to stake according to the Kelly Criterion.

Quick Example

If you believe the true probability is 55% and odds are 2.00, Kelly suggests staking 10% of bankroll.

Ready to Place Your Bet?

Now that you have done the maths, find the best odds at a trusted South African bookmaker. We have tested and reviewed all 36 licensed SA operators.