Poker Probability Explorer

The real odds behind every 'how often…' — flopping a set, a flush draw, a straight, a pair, and the chance of being dealt each hand. No account needed.

If I'm holding a…
e.g. 8♠ 8♦
Flop a set or betterabout 1 in 8.5 11.8%
Flop exactly a set 10.8%
Flop quads1 in 407 0.25%
Make a set by the riverif you see all five ~19%

What you're dealt — pre-flop odds

A specific pocket pair (like A-A)1 in 221 0.45%
Any pocket pair1 in 17 5.9%
Two suited cards 23.5%
Ace-King (any) 1.2%
A suited connector54s–AKs ~3%
At least one ace ~15%

Exact probabilities from a fresh 52-card deck. "By the river" figures assume you see all five community cards.

New here? The terms in plain English

Set
Three of a kind made from a pocket pair — your pair plus one matching card on the board.
Outs
The cards still in the deck that complete your hand.
Flush draw
Four cards of one suit — you need one more of that suit to make a flush.
Open-ended straight draw
Four cards in a row, open at both ends — eight cards complete the straight.
Gutshot
A straight missing one card in the middle — only four cards fill it.
Connectors
Two cards in sequence, like 8-7, that can make straights.
Why it matters

Know the odds before you hope for the flop

Winning players enter pots on maths, not on the dream flop. These are the reference numbers that decide which starting hands are actually worth playing.

The numbers behind every 'how often…' question

How often does a pocket pair flop a set? How likely is a suited hand to flop a flush draw? These are the reference points that turn folklore into fact — and knowing them changes how you play a hand before the flop even comes. A pocket pair flops a set only about 1 in 8.5, which is exactly why you can't call big pre-flop raises hoping to 'set-mine' without the right price. This explorer puts the real probabilities one tap away.

Play the odds, not the hope

Beginners over-value pretty starting hands because they imagine the flop that helps. The maths is more sober: two unpaired cards miss the flop completely about two times in three, suited cards flop a flush less than 1% of the time, and connectors flop a made straight barely 1 in 77. Internalise these and you stop paying to chase the rare, dream flop — then price the draws you do flop with the outs calculator and pot odds.

Avoid these

4 probability mistakes to avoid

Set-mining at any price

Fix A pocket pair flops a set only ~11.8% of the time. You need a cheap call and deep stacks to make chasing one profitable — not just 'it's a pair'.

Overrating suited hands

Fix Being suited flops a flush under 1% of the time and adds only a few points of equity overall. It rescues good hands; it doesn't make trash playable.

Calling raises hoping to hit the flop

Fix Two unpaired cards miss entirely about 2 in 3. Enter pots with hands that are ahead now or flop strongly, not ones that need a perfect board.

Confusing 'a draw' with 'a hand'

Fix Flopping a flush draw (10.9%) isn't flopping a flush (0.8%). A draw still has to complete — price it before you commit chips to it.

FAQ

Poker probabilities — common questions

How often does a pocket pair flop a set?

About 11.8% of the time — roughly 1 in 8.5. That includes flopping a set, a full house or quads. It's why set-mining needs a cheap price and deep stacks to be profitable.

How likely is a suited hand to flop a flush?

Only about 0.8% — roughly 1 in 118. Far more often (about 10.9%) you flop a flush draw with four to the flush, which still has to complete on the turn or river.

How often do two unpaired cards flop a pair?

You'll pair at least one of your cards about 32% of the time — close to 1 in 3 — which means you miss the flop entirely the other two times out of three.

What are the odds of being dealt a specific pocket pair?

About 0.45%, or 1 in 221, for one specific pair like aces. Any pocket pair comes about 5.9% of the time, roughly 1 in 17 hands.

Are these probabilities exact?

They're standard exact figures computed from a full 52-card deck. The 'by the river' numbers assume you see all five community cards; the flop figures are for the three-card flop only.