Foundations · Poker strategy
Poker Equity Explained: Formula and Examples
By Pokerscope · Updated · 4 min read
Equity measures how good your hand is relative to your opponent’s hand. If both hands went all in and the remaining cards were dealt, it is the share of the pot you would expect to win on average.
In this guide
What does 80% equity mean?
You hold A♥ A♦ and your opponent holds K♣ K♦ before the flop. Aces have about 82% equity, while kings have about 18%.
If this all-in matchup happened many times, aces would win roughly four out of five pots. Kings can still win an individual hand. Losing once with aces does not change how strong the hand was when the money went in.
When both hands are known, an equity calculation considers the possible remaining board cards. Tied hands count toward the share of the pot each player receives.
Heads-up equity = chance of winning outright + ½ × chance of tying
The percentages in the examples below are rounded reference points. Exact suits and the board can move the result.
Preflop equity examples
AQ against AJ: the higher second card matters
A♥ Q♥ has about 75% equity against A♣ J♦. Both players share the ace, so an ace on the board usually helps both hands. AQ’s higher second card makes it a large favorite.
AK against QQ: a close matchup
A♠ K♠ has about 46% equity against Q♥ Q♦, which has about 54%. Queens are slightly more likely to win, but AK can improve by pairing an ace or king, making a straight, or making a flush.
A pair against two higher cards is often close. A higher pair against a lower pair is usually much further ahead.
| Matchup before the flop | First hand’s approximate equity |
|---|---|
| A♥ K♦ vs 9♣ 9♦ | 45% |
| 9♣ 9♦ vs Q♠ Q♥ | 20% |
| A♠ 9♥ vs J♣ J♦ | 28% |
| Q♥ J♣ vs A♠ K♦ | 36% |
| 7♥ 6♥ vs A♠ Q♦ | 42% |
These patterns make useful starting points for the equity drill. Suited, connected hands can retain substantial equity even against two higher cards.
One card left to make a straight
You hold 8♣ 7♣ against K♣ Q♦ on K♠ 6♦ 5♥ 2♣. Your opponent has a pair of kings. You need a four or nine on the river to make a straight.
There are eight winning cards among 44 unseen cards, giving you about 18% equity. Kings have about 82%. With only one card left, the draw is a large underdog.
The outs guide shows how to make this kind of estimate quickly.
A drawing hand can be the favorite
You hold Q♥ J♥ against A♣ A♦ on T♠ 9♥ 2♥. Aces are ahead at the moment, but QJ can make a straight or a heart flush, as well as improve in other ways across two cards.
QJ has about 56% equity. It is more likely to win even though it has no pair yet. Compare that with the previous straight draw: the number of ways to improve and the number of cards remaining both matter.
Use equity to evaluate a call
Knowing which hand is the favorite is only the first step. A 40% equity hand can have a profitable call if the price is low enough.
Next, learn required equity from pot odds. When you do not know the opponent’s exact cards, estimate your equity against their range of possible hands.