Poker math

EV in Poker — Formula, Examples & Quick Math

Also known as Expected Value

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

Quick answer

EV (Expected Value) — The average profit/loss of a play over infinite repetitions.

In more detail

+EV plays make money long-term, -EV plays lose. Variance dictates how long 'long term' actually feels.

Try the tool

Variance simulator

Common questions

What does EV mean in poker?

+EV plays make money long-term, -EV plays lose. Variance dictates how long 'long term' actually feels.

When should I use EV in a hand?

EV 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.

What's the fastest way to calculate EV at the table?

Use our Variance simulator — it runs entirely in your browser, free, no signup.

Related terms

Equity

Your statistical share of the pot, expressed as a winning probability.

Implied Odds

Pot odds adjusted for expected future bets if you hit your draw.

Outs

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

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.