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Bet Size Calculator

Recommended stake based on bankroll, edge, and risk preference.

Recommended stake size based on bankroll, edge, and Kelly fraction. Most pros run quarter to half Kelly to soften variance.

Recommended stake

FAQ

Is this calculator free?

Yes. All our calculators run client-side in your browser. No sign-up, no data sent anywhere, no ads.

Are the calculations accurate?

Yes. We've validated every formula against industry-standard math. The math is the same that pro bettors use.