--- title: "55 vs KTo: preflop equity" url: "https://georgelipoker.com/equity/55-vs-kto.md" canonical_url: "https://georgelipoker.com/equity/55-vs-kto" last_updated: "2026-10-23" type: "reference" summary: "55 vs KTo is close to a coin flip before the flop: 52.25% to 47.75% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/55-vs-qts.md", "https://georgelipoker.com/equity/55-vs-a4s.md", "https://georgelipoker.com/equity/qjs-vs-kto.md"] --- # 55 vs KTo: preflop equity 55 vs KTo is close to a coin flip before the flop: 52.25% to 47.75% equity, counted exactly over every board, with the split by flop type and suit. The exact count puts 55 at 52.25% and KTo at 47.75% when the two hands see all five board cards. ## 55 against KTo: the numbers **Exact preflop results for 55 against KTo, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | 55 | 51.971 | 0.561 | 47.468 | 52.252 | | KTo | 47.468 | 0.561 | 51.971 | 47.748 | 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. With only 4.50 points between them, the board decides this matchup far more than the cards in hand. Ties are 0.56% of the outcomes here; each tied board gives both hands half the pot. For context, 55 sits at number 27 of 169 starting hands and KTo at number 33 when each is run 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 | 64,073,000 | 692,000 | 58,521,000 | | KTo | 58,521,000 | 692,000 | 64,073,000 | 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 KTo 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 | 1.094 | 1.924 | 2.107 | 0.914 | | KTo | 0.914 | 2.107 | 1.924 | 1.094 | 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) (78.14%) and weakest on rainbow flops topped by a ten or better (45.11%). The lead reverses on rainbow flops topped by a ten or better and monotone flops: there KTo is the favorite even though 55 is ahead overall. **55 against KTo by flop texture, in percent** | Flop | Share of flops | 55 wins | Ties | KTo wins | 55 equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.717 | 44.955 | 0.304 | 54.741 | 45.107 | | Rainbow, nine or lower | 6.314 | 77.767 | 0.737 | 21.496 | 78.135 | | Two-tone | 46.485 | 51.388 | 0.379 | 48.233 | 51.578 | | Monotone | 5.151 | 48.609 | 1.898 | 49.493 | 49.558 | | Paired | 17.333 | 55.142 | 0.956 | 43.902 | 55.620 | A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank. ## Compared with a random hand Each hand has a baseline against a random hand: 60.33% for 55, 59.74% for KTo. Here the change is -8.08 and -11.99 points. **55 and KTo 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 | 52.252 | 60.325 | -8.073 | 0.86617 | | 55, rainbow, ten or higher | 45.107 | 60.325 | -15.218 | 0.74773 | | 55, rainbow, nine or lower | 78.135 | 60.325 | +17.810 | 1.29523 | | 55, two-tone | 51.578 | 60.325 | -8.747 | 0.85500 | | 55, monotone | 49.558 | 60.325 | -10.767 | 0.82152 | | 55, paired | 55.620 | 60.325 | -4.705 | 0.92201 | | KTo, all flops | 47.748 | 59.739 | -11.991 | 0.79928 | | KTo, rainbow, ten or higher | 54.893 | 59.739 | -4.846 | 0.91888 | | KTo, rainbow, nine or lower | 21.865 | 59.739 | -37.874 | 0.36601 | | KTo, two-tone | 48.422 | 59.739 | -11.317 | 0.81056 | | KTo, monotone | 50.442 | 59.739 | -9.297 | 0.84437 | | KTo, paired | 44.380 | 59.739 | -15.359 | 0.74290 | ## Does a shared suit matter? When the hands share a suit, 55 holds 52.17%; when they do not, it holds 52.68%. 55 does better with no shared suit, by 0.51 points. **55 against KTo by suit overlap, in percent** | Deals | Specific deals | Share of deals | 55 wins | Ties | KTo wins | 55 equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 60 | 83.33 | 51.878 | 0.576 | 47.546 | 52.166 | | No shared suit | 12 | 16.67 | 52.440 | 0.487 | 47.073 | 52.684 | ## 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 To see what the equity is worth, imagine $100 each in a $200 pot. 55 is worth $104.50 on average (+$4.50); KTo is worth $95.50 (-$4.50). Think in thousands: about 520 of 1,000 go to 55, about 475 go to KTo, and about 5 are chopped. ## The same matchup from the other side One page covers both views. From KTo's side the equity is 47.75%, and from 55's side it is 52.25%. ## Keep exploring Open the calculator with 5s5h against KdTc 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 KdTc in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=5s5h&p2=KdTc) - [55 combos](https://georgelipoker.com/combos/55.md) - [KTo combos](https://georgelipoker.com/combos/kto.md) - [55 vs QTs](https://georgelipoker.com/equity/55-vs-qts.md) - [55 vs A4s](https://georgelipoker.com/equity/55-vs-a4s.md) - [QJs vs KTo](https://georgelipoker.com/equity/qjs-vs-kto.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 72 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it. Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used. ## Related - [55 vs QTs: preflop equity](https://georgelipoker.com/equity/55-vs-qts.md) - [55 vs A4s: preflop equity](https://georgelipoker.com/equity/55-vs-a4s.md) - [QJs vs KTo: preflop equity](https://georgelipoker.com/equity/qjs-vs-kto.md)