Poker math

Outs in Poker: Formula, Examples & Quick Math

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

Quick answer

Outs: Cards 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

Equity
Your statistical share of the pot, expressed as a winning probability.
EV
The average profit/loss of a play over infinite repetitions.
Implied Odds
Pot odds adjusted for expected future bets if you hit your draw.
Pot Odds
The ratio of the current pot to the cost of calling.

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