Rule of 2 and 4

A quick equity guess: outs × 4 when you will see both the turn and the river (someone is all in), otherwise outs × 2 per card to come.

Example

9 outs on the flop with someone all in: about 36% by the river. With one card to come: about 18%.

Also written: rule of two and four, rule of 4 and 2, rule of 2 & 4.

Related

• outs The unseen cards that would turn your hand into the likely winner.
• equity Your share of the pot if every card were dealt out: how often your hand wins from here.

Practise it in 5 minutes Rule of 2 and 4, a short free lesson.

Quads is for adults, 18 and over. It teaches with play chips only: there is no real money, ever.