Poker math

Outs in Poker — Formula, Examples & Quick Math

Outs is a math concept that turns gut decisions into +EV ones. Here's how to actually use it at the table.

Quick answer

OutsCards remaining in the deck that improve your hand to a winner.

In more detail

Rule of 2 and 4: outs × 2 = roughly your % to hit on the next card; outs × 4 = your % from flop to river (when calling all-in).

Common questions

What does Outs mean in poker?

Rule of 2 and 4: outs × 2 = roughly your % to hit on the next card; outs × 4 = your % from flop to river (when calling all-in).

When should I use Outs in a hand?

Outs matters most when bet sizes and pot odds are close to your equity. In obvious folds and obvious calls, the math is just confirmation. Reserve mental effort for borderline spots.

Related terms

New to poker? Start with our preflop strategy guide and the free TAG cheatsheet.