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Worked examples
We computed these with the same engine as the calculator, by counting every possible deal. Hand A is the first hand in each spot. Equity is the share of the pot a hand takes on average if no one bets again; it isn't advice on how to play.
1. Aces against a rundown on a dry flop
Hand A has a pair of aces with a king and a queen. Hand B holds four connected cards, jack down to eight. The question is how much a made pair is worth against a hand with many ways to improve.
Flop:7♦Seven of diamonds6♠Six of spades2♣Two of clubs
Aces against a rundown on a dry flop: each hand's equity
Hand
Cards
Equity
Wins outright
Ties
Hand A
A♠Ace of spadesA♥Ace of heartsK♦King of diamondsQ♣Queen of clubs
43.9%
43.9%
0%
Hand B
J♠Jack of spades10♠Ten of spades9♥Nine of hearts8♥Eight of hearts
Each player gets four hole cards. At showdown you must use exactly two of them and exactly three of the five board cards. Betting is pot-limit.
There are 270,725 possible 4-card starting hands, and each one contains 6 two-card combinations you could choose to play. The calculator seats 10 players at most.
What the calculator does here. Flop and turn spots are usually exact, and the page says “Exact.” Preflop PLO has too many deals to count in a second, so it's simulated and shown with a ± range.
Disclaimer
Poker equity calculator (educational). This tool shows each hand's equity: the share of the pot it would win on average if all the remaining cards were dealt with no more betting. It uses only the cards you enter and treats every unknown card as equally likely. It ignores betting and how anyone plays, and it cannot tell you what will happen in a hand or what to do. “Exact” results count every possible deal. “Simulated” results are estimates; the plus-or-minus figure means each player's true value is very likely (95% confidence) within that range. Nothing you enter leaves your device. Many card rooms and poker sites do not allow calculators during a hand; check their rules.