--- title: "55 vs QTo: preflop equity" url: "https://georgelipoker.com/equity/55-vs-qto.md" canonical_url: "https://georgelipoker.com/equity/55-vs-qto" last_updated: "2026-10-23" type: "reference" summary: "55 vs QTo is close to a coin flip before the flop: 51.11% to 48.89% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/55-vs-44.md", "https://georgelipoker.com/equity/55-vs-j9s.md", "https://georgelipoker.com/equity/qjs-vs-qto.md"] --- # 55 vs QTo: preflop equity 55 vs QTo is close to a coin flip before the flop: 51.11% to 48.89% equity, counted exactly over every board, with the split by flop type and suit. In equity, 55 against QTo stands at 51.11% to 48.89%, a gap of 2.22 points. ## 55 against QTo: the numbers **Exact preflop results for 55 against QTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 55 | 50.777 | 0.669 | 48.554 | 51.111 | | QTo | 48.554 | 0.669 | 50.777 | 48.889 | The matchup pits a pocket pair against an offsuit hand. A pair against two higher cards is the classic race: the pair is usually a small favorite or close to even, and each overcard that pairs is a way to take the lead. 55 leads by less than 3 points of equity, so the result of any one deal is close to a toss-up. Split pots make up 0.67% of the boards, and both equity figures count them as half a win each. 55 ranks number 27 of 169 starting hands, and QTo ranks number 47, by equity against a random hand. **Boards behind the percentages: 123,285,888 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | 55 | 62,601,000 | 825,000 | 59,860,000 | | QTo | 59,860,000 | 825,000 | 62,601,000 | The total is exact: 72 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand. **55 against QTo 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 | 1.045 | 1.969 | 2.060 | 0.957 | | QTo | 0.957 | 2.060 | 1.969 | 1.045 | In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity. ## Who is ahead on which flops Break the boards down by their first three cards and 55 is strongest on low rainbow flops (nine high or lower) (76.43%) and weakest on rainbow flops topped by a ten or better (43.89%). On rainbow flops topped by a ten or better and monotone flops the numbers flip and QTo is the one ahead. **55 against QTo by flop texture, in percent** | Flop | Share of flops | 55 wins | Ties | QTo wins | 55 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 43.710 | 0.365 | 55.925 | 43.892 | | Rainbow, nine or lower | 6.314 | 76.071 | 0.710 | 23.219 | 76.426 | | Two-tone | 46.485 | 50.099 | 0.422 | 49.479 | 50.310 | | Monotone | 5.151 | 47.661 | 1.945 | 50.394 | 48.633 | | Paired | 17.333 | 54.384 | 1.372 | 44.244 | 55.070 | 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 How much does the opponent matter? Compared with its random-hand 60.33%, 55 changes by -9.22 points, and QTo, from 57.29%, by -8.40. **55 and QTo 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 | 51.111 | 60.325 | -9.214 | 0.84726 | | 55, rainbow, ten or higher | 43.892 | 60.325 | -16.433 | 0.72759 | | 55, rainbow, nine or lower | 76.426 | 60.325 | +16.101 | 1.26690 | | 55, two-tone | 50.310 | 60.325 | -10.015 | 0.83398 | | 55, monotone | 48.633 | 60.325 | -11.692 | 0.80618 | | 55, paired | 55.070 | 60.325 | -5.255 | 0.91289 | | QTo, all flops | 48.889 | 57.291 | -8.402 | 0.85335 | | QTo, rainbow, ten or higher | 56.108 | 57.291 | -1.183 | 0.97935 | | QTo, rainbow, nine or lower | 23.574 | 57.291 | -33.717 | 0.41148 | | QTo, two-tone | 49.690 | 57.291 | -7.601 | 0.86733 | | QTo, monotone | 51.367 | 57.291 | -5.924 | 0.89660 | | QTo, paired | 44.930 | 57.291 | -12.361 | 0.78424 | ## Does a shared suit matter? The suit split reads 51.02% for 55 with a shared suit and 51.56% without one. 55 does better with no shared suit, by 0.54 points. **55 against QTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | 55 wins | Ties | QTo wins | 55 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 60 | 83.33 | 50.679 | 0.684 | 48.637 | 51.021 | | No shared suit | 12 | 16.67 | 51.262 | 0.595 | 48.143 | 51.560 | ## How often this matchup comes up You will meet this exact matchup 0.0089% of the time in a random heads-up deal: 144 of 1,624,350, counting either seat order. ## A worked example With $100 from each side, the $200 pot is split on average as $102.22 for 55 and $97.78 for QTo; the first side gains $2.22 per all-in and the second gives up $2.22. Scaled to 1,000 deals, that is roughly 508 wins for 55, 485 for QTo and 7 chopped pots. ## The same matchup from the other side If you came looking for QTo against 55, the numbers are the same with the hands swapped: 48.89% and 51.11%. ## Keep exploring Open the calculator with 5s5h against QdTc 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 QdTc in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=5s5h&p2=QdTc) - [55 combos](https://georgelipoker.com/combos/55.md) - [QTo combos](https://georgelipoker.com/combos/qto.md) - [55 vs 44](https://georgelipoker.com/equity/55-vs-44.md) - [55 vs J9s](https://georgelipoker.com/equity/55-vs-j9s.md) - [QJs vs QTo](https://georgelipoker.com/equity/qjs-vs-qto.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 72 specific deals are grouped by suit pattern, each is run against all 1,712,304 boards, and both seven-card hands are scored. Equity adds half of every tie, and flop textures are tallied over the ten flops inside each board. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [55 vs 44: preflop equity](https://georgelipoker.com/equity/55-vs-44.md) - [55 vs J9s: preflop equity](https://georgelipoker.com/equity/55-vs-j9s.md) - [QJs vs QTo: preflop equity](https://georgelipoker.com/equity/qjs-vs-qto.md)