Keno Probability Calculator

Calculate exact keno probabilities for any number of spots. Full probability table with odds and pay tables.

How many numbers you select on your keno ticket. Standard keno draws 20 numbers from 80.

Keno Probability Table

Spots Picked-
Numbers Drawn20 of 80
Prob. of Hitting All-

Full Probability Table

Expected Value

Typical House Edge-
Expected Return per $1-
References: Keno uses hypergeometric distribution: P(k hits) = C(20,k)*C(60,n-k)/C(80,n) where n=spots picked, k=hits. Standard 80-ball keno with 20 drawn.