--- title: "55 vs QJo: preflop equity" url: "https://georgelipoker.com/equity/55-vs-qjo.md" canonical_url: "https://georgelipoker.com/equity/55-vs-qjo" last_updated: "2026-10-23" type: "reference" summary: "55 vs QJo is close to a coin flip before the flop: 51.56% to 48.44% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/55-vs-k9o.md", "https://georgelipoker.com/equity/55-vs-q9s.md", "https://georgelipoker.com/equity/qjs-vs-qjo.md"] --- # 55 vs QJo: preflop equity 55 vs QJo is close to a coin flip before the flop: 51.56% to 48.44% equity, counted exactly over every board, with the split by flop type and suit. Over all 1,712,304 boards that can follow this deal, 55 finishes with 51.56% of the pot and QJo with 48.44%. ## 55 against QJo: the numbers **Exact preflop results for 55 against QJo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 55 | 51.236 | 0.654 | 48.110 | 51.563 | | QJo | 48.110 | 0.654 | 51.236 | 48.437 | We compare a pocket pair with an offsuit hand. This is a pair against two overcards, a matchup that stays close because the other hand only needs one of its ranks to appear. This is close to even money, with 55 a little ahead. Ties are 0.65% of the outcomes here; each tied board gives both hands half the pot. By strength against a random hand, 55 holds place 27 of 169 and QJo holds place 39. **Boards behind the percentages: 123,285,888 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 55 | 63,167,000 | 806,000 | 59,313,000 | | QJo | 59,313,000 | 806,000 | 63,167,000 | The board total is exact, 72 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **55 against QJo read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | 55 | 1.065 | 1.952 | 2.079 | 0.939 | | QJo | 0.939 | 2.079 | 1.952 | 1.065 | The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call. ## Who is ahead on which flops The flop changes the picture. 55 does best on low rainbow flops (nine high or lower), at 78.40%, and worst on rainbow flops topped by a ten or better, at 44.06%. The overall edge for 55 hides rainbow flops topped by a ten or better and monotone flops, where QJo comes out in front. **55 against QJo by flop texture, in percent** | Flop | Share of flops | 55 wins | Ties | QJo wins | 55 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 43.900 | 0.324 | 55.776 | 44.062 | | Rainbow, nine or lower | 6.314 | 78.006 | 0.782 | 21.212 | 78.397 | | Two-tone | 46.485 | 50.623 | 0.405 | 48.972 | 50.826 | | Monotone | 5.151 | 48.044 | 1.935 | 50.021 | 49.012 | | Paired | 17.333 | 54.536 | 1.368 | 44.096 | 55.220 | Read the flop types this way: rainbow has three suits, two-tone has two cards of one suit, monotone has three, and paired repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 60.33% for 55, 58.14% for QJo. Here the change is -8.77 and -9.70 points. **55 and QJo here compared with each against a random hand, in percent** | Case | Equity here | Against a random hand | Change in points | Times the random-hand equity | | --- | --- | --- | --- | --- | | 55, all flops | 51.563 | 60.325 | -8.762 | 0.85475 | | 55, rainbow, ten or higher | 44.062 | 60.325 | -16.263 | 0.73041 | | 55, rainbow, nine or lower | 78.397 | 60.325 | +18.072 | 1.29958 | | 55, two-tone | 50.826 | 60.325 | -9.499 | 0.84254 | | 55, monotone | 49.012 | 60.325 | -11.313 | 0.81247 | | 55, paired | 55.220 | 60.325 | -5.105 | 0.91538 | | QJo, all flops | 48.437 | 58.135 | -9.698 | 0.83318 | | QJo, rainbow, ten or higher | 55.938 | 58.135 | -2.197 | 0.96221 | | QJo, rainbow, nine or lower | 21.603 | 58.135 | -36.532 | 0.37160 | | QJo, two-tone | 49.174 | 58.135 | -8.961 | 0.84586 | | QJo, monotone | 50.988 | 58.135 | -7.147 | 0.87706 | | QJo, paired | 44.780 | 58.135 | -13.355 | 0.77028 | ## Does a shared suit matter? Suit overlap shows up in the numbers. With a suit in common 55 has 51.48% equity, and with none in common it has 52.00%. 55 does better with no shared suit, by 0.52 points. **55 against QJo by suit overlap, in percent** | Deals | Specific deals | Share of deals | 55 wins | Ties | QJo wins | 55 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 60 | 83.33 | 51.140 | 0.669 | 48.191 | 51.475 | | No shared suit | 12 | 16.67 | 51.714 | 0.580 | 47.706 | 52.004 | ## How often this matchup comes up This page stands for 72 specific-card matchups (0.0044% of 1,624,350 ordered deals), or 144 once you count the seats both ways (0.0089%). ## A worked example Put $100 each into a $200 pot and deal every board once: 55 averages $103.12 back, ahead of its $100 by $3.12, while QJo averages $96.88, short of its $100 by $3.12. A thousand deals look like this: 55 takes 512, QJo takes 481, 7 are ties. ## The same matchup from the other side QJo against 55 adds nothing new: it is 48.44% for QJo and 51.56% for 55, the same figures reversed. ## Keep exploring Open the calculator with 5s5h against QdJc already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking. - [Open 5s5h against QdJc in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=5s5h&p2=QdJc) - [55 combos](https://georgelipoker.com/combos/55.md) - [QJo combos](https://georgelipoker.com/combos/qjo.md) - [55 vs K9o](https://georgelipoker.com/equity/55-vs-k9o.md) - [55 vs Q9s](https://georgelipoker.com/equity/55-vs-q9s.md) - [QJs vs QJo](https://georgelipoker.com/equity/qjs-vs-qjo.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed All 1,712,304 five-card boards are dealt for every suit pattern among the 72 specific deals of 55 against QJo, and both hands are scored on each. That is a full count, so the percentages are exact. Ties are half a win each, and each board appears once per flop it contains. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [55 vs K9o: preflop equity](https://georgelipoker.com/equity/55-vs-k9o.md) - [55 vs Q9s: preflop equity](https://georgelipoker.com/equity/55-vs-q9s.md) - [QJs vs QJo: preflop equity](https://georgelipoker.com/equity/qjs-vs-qjo.md)