Poker Equity Calculator
Poker equity is your hand's share of the pot — how often you win if the remaining cards are dealt with no more betting. Pick two hands (or a hand against a range), add a board if you want, and this calculator runs tens of thousands of simulated runouts to give you the answer. Free, no signup.
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Equity is step one.
Knowing the math and applying it mid-hand are different skills — find the leak that's actually costing you, free, 2 min.
Find my leak — free quiz →How does poker equity work?
Equity is a long-run average. AA vs KK preflop is about 82/18: deal the hand a million times and aces win roughly 820,000 of them (ties split). That's why equity is the basis of every all-in decision — when the money goes in, your expected share of the pot is exactly your equity times its size.
At the table you estimate it with outs — cards that improve you to the best hand — and the rule of 2 and 4: outs × 4 on the flop, outs × 2 on the turn, gives your approximate win percentage. A flush draw (9 outs) is ~36% on the flop; an open-ended straight draw (8 outs) is ~32%. This calculator gives you exact numbers so the estimates become second nature.
Decisions come from comparing equity to the price: facing a $50 bet into a $100 pot, you call $50 to win a $200 total pot — you need 25% equity to break even. With a 36% flush draw, that call prints money before you even count implied odds.
Common equity spots every beginner should memorize
These nine matchups cover most all-in situations you'll face. Numbers verified with this page's engine (300,000-runout simulations); preflop matchups are averaged over suit combinations, so exact suits can shift results by up to a point.
| Matchup | Equity | Why it matters |
|---|---|---|
| AA vs KK (preflop) | 82% / 18% | The classic cooler — even kings are a 4-to-1 underdog. |
| QQ vs AKo (preflop) | 57% / 43% | The race: a pair against two overcards is close to a coin flip. |
| 88 vs AKo (preflop) | 55% / 45% | Any pair vs two overcards is ~55/45. Barely a favorite. |
| QQ vs AKs (preflop) | 54% / 46% | Being suited adds ~3 points of equity — AKs races much closer. |
| AKo vs AQo (preflop) | 74% / 26% | Domination: the 3-out hand is a 3-to-1 dog. Kickers matter. |
| AA vs 72o (preflop) | 88% / 12% | Even the worst hand in poker wins 1 time in 8. Nothing is 100%. |
| Set vs overpair — 77 vs AA on T-7-2 | 91% / 9% | Flopped sets crush overpairs. This is why set-mining works. |
| Top pair vs flush draw — AK vs 9♥8♥ on K♥7♥2♠ | 60% / 40% | Nine outs twice ≈ 36% by the rule of 4 — a flush draw is very live. |
| Open-ender + overcards vs top pair — JT vs A9 on 9-8-2 | 50% / 50% | Big combo draws can be literal coin flips on the flop. |
Recreate any of these in the calculator above — the "Try" buttons load three of them for you.
How do you use equity at the table?
You'll never know your opponent's exact two cards mid-hand — which is why the calculator's hand vs range mode is the one that builds real skill. Instead of asking "am I ahead of AK?", ask "how does my hand do against everything a button opener plays?". Try 99 against the button opening range: it's a solid favorite, even though it's flipping or crushed against the top of that range. Thinking in ranges instead of single hands is the single biggest conceptual jump in poker.
Which hands make up those ranges? That's the other half of the foundation — see the free preflop range chart for every position's opening, 3-betting and calling range.
Poker equity FAQ
What is equity in poker?
Poker equity is your hand's share of the pot if the remaining cards were dealt out with no more betting — your average win percentage across every possible runout. If you have 60% equity in a $100 pot, your share is worth $60. Equity changes on every street as cards fall.
How is equity different from pot odds?
Equity is how often you win; pot odds are the price you're being offered. You compare them to make decisions: if a call costs $50 to win a $200 total pot, you need 25% equity to break even. More equity than the price = profitable call; less = fold (before considering implied odds or folding your opponent off hands).
What is the rule of 2 and 4?
A fast way to estimate equity from outs: multiply your outs by 4 on the flop (two cards to come) or by 2 on the turn (one card to come) to get an approximate win percentage. A flush draw has 9 outs: about 36% on the flop, about 18% on the turn. It's accurate to within a couple of points for most draws.
How does this equity calculator work?
It runs a Monte Carlo simulation: tens of thousands of random runouts are dealt, both hands are evaluated on each, and equity is the share of pots won (ties split). It's the same engine HoldemPro's training drills use. Results vary by about ±0.5% between runs — real precision, fast enough to run in your browser.
Does more equity mean I should always call?
No. Equity tells you how often you win at showdown, but real decisions also involve fold equity (you can win by betting), implied odds (money you win on later streets when you hit), reverse implied odds, and position. Equity is the foundation of every one of those concepts though — learn it first.
Is this poker equity calculator free?
Yes — free, no signup, no download, and you can embed it on your own site or forum with the iframe snippet on this page.