KK vs 33: Odds & Interactive Calculator
| Hand | Win | Tie | Equity |
|---|---|---|---|
| KK (Pocket Kings) | 81.1% | 0.5% | 81.4% |
| 33 (Pocket Threes) | 18.4% | 0.5% | 18.6% |
How KK vs 33 unfolds by street
Pocket Kings (KK) is still ahead on 89% of flops against 33, and the lead survives to the turn on 86%. 33 takes the lead on the other 11% of flops, almost always by flopping a set. These figures come from full board enumeration, not a simulation.
| Street | KK still ahead | 33 flipped the lead |
|---|---|---|
| Flop | 89% | 11% |
| Turn | 86% | 14% |
KK vs 33 is two made hands colliding before the flop, and the higher pair owns it: KK wins 81.1%, 33 wins 18.4%, and 0.5% of boards chop — 4.4-to-1. The lower pair, 33, is drawing to the two cards left in the deck that make it a set; miss those and only a runner-runner straight or flush saves it, which is why it gets there just 1 time in 5.
Think in variance terms: 81.4% equity means KK loses this all-in nearly 19 times in 100, so even a "dominant" spot is a coin you'll see come up tails plenty. Getting it in as the 81.4% favorite is correct every time; the 18.6% that goes the other way is math, not a misplay.
As the bigger pair, KK, your whole job is to get the money in before a scare card — there's no fold here and slow-playing only lets 33 realize its set equity for free. As the smaller pair, the discipline is recognizing when stacks are deep enough that calling off 18.4% equity is a leak, even though folding pre feels impossible.
KK vs 33 FAQ
Who wins KK vs 33 preflop?
KK (Pocket Kings) is the favorite, winning 81.1% of all runouts, while 33 (Pocket Threes) wins 18.4%. The remaining 0.5% are split pots. Counting splits as half, KK's preflop equity is 81.4%.
Does the KK vs 33 probability change all-in preflop?
No. Once both hands are all-in preflop the odds are set by the cards alone — position, stack size and who bet first change nothing. The only thing that moves the number is suits: KK's equity runs from 80.7% to 82.0% depending on how many suits the two hands share, which is why different sites quote slightly different figures. It does change once board cards are dealt (KK leads on 89% of flops) and in multiway pots, where every extra caller takes equity from both hands.
Can you fold the smaller pair in KK vs 33?
Almost never preflop all-in — but the 18.4% the smaller pair wins (about 1 in 5) means that when stacks are very deep and the action screams a bigger pair, laying it down is a real, if rare, fold. Set-mining the lower pair works only with the implied odds to win a full stack when you spike.
Does KK hold up against 33 after the flop?
KK is still ahead on 89% of flops and stays ahead through the turn on 86% of boards; 33 takes the lead on the other 11% of flops. These are exact figures from full board enumeration.
Run any matchup in the free equity calculator · AA VS TT · AA VS 99 · AA VS 88 · AA VS 77 · AA VS 66 · AA VS 55
KK against a range
All-in against one known hand is the textbook case; at the table KK is usually up against a range. Exact equities, computed over every combo with card removal applied:
- KK vs calling station — 78.7% against 670 combos (50.5% of hands)
- KK vs BTN open — 77.7% against 586 combos (44.2% of hands)
- KK vs SB open — 77.2% against 534 combos (40.3% of hands)
- KK vs CO open — 76.7% against 366 combos (27.6% of hands)