At-the-machine tool

Paytable scanner

Enter the paytable displayed on a Jacks-or-Better machine and we'll compute its return. Anything below 99% means the casino is keeping real money.

Quick presets

Paytable (coins per 1 coin bet)

Royal flush

Straight flush

Four of a kind

Full house

Flush

Straight

Three of a kind

Two pair

Jacks or better

Return to player

99.55%

This machine is playable. Expected loss is only 0.45¢ per dollar bet with perfect strategy.