--- title: "AKs vs KJs: preflop equity" url: "https://georgelipoker.com/equity/aks-vs-kjs.md" canonical_url: "https://georgelipoker.com/equity/aks-vs-kjs" last_updated: "2026-10-23" type: "reference" summary: "AKs is a big favorite over KJs before the flop: 71.16% to 28.84% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/aks-vs-a8s.md", "https://georgelipoker.com/equity/aks-vs-kts.md", "https://georgelipoker.com/equity/77-vs-kjs.md"] --- # AKs vs KJs: preflop equity AKs is a big favorite over KJs before the flop: 71.16% to 28.84% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, AKs is ahead of KJs by 42.32 points of equity, 71.16% to 28.84%. ## AKs against KJs: the numbers **Exact preflop results for AKs against KJs, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | AKs | 70.586 | 1.151 | 28.263 | 71.162 | | KJs | 28.263 | 1.151 | 70.586 | 28.838 | Here suited hands face each other, AKs on one side and KJs on the other. Sharing a rank is the signature of a dominated hand, since the weaker hand is usually out-kicked when the shared rank shows up. That is a clear edge, 71.16% to 28.84%, but KJs still wins often enough that one hand proves nothing. Of every 100 boards, about 1.15 are split pots, and the equity figures already include them. In the ranking of all 169 starting hands, AKs is number 8 and KJs is number 20. **Boards behind the percentages: 20,547,648 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | AKs | 14,504,000 | 237,000 | 5,807,000 | | KJs | 5,807,000 | 237,000 | 14,504,000 | The board total is exact, 12 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **AKs against KJs read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | AKs | 2.468 | 1.417 | 3.538 | 0.405 | | KJs | 0.405 | 3.538 | 1.417 | 2.468 | The last column is the smallest pot odds, written as a pot-to-call ratio, at which a call breaks even with this equity. ## Who is ahead on which flops Break the boards down by their first three cards and AKs is strongest on low rainbow flops (nine high or lower) (83.50%) and weakest on monotone flops (64.04%). AKs stays ahead on all five textures, but the swing between them is large, so how the flop looks matters a great deal. **AKs against KJs by flop texture, in percent** | Flop | Share of flops | AKs wins | Ties | KJs wins | AKs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 23.138 | 68.537 | 0.761 | 30.702 | 68.918 | | Rainbow, nine or lower | 7.771 | 82.928 | 1.148 | 15.924 | 83.502 | | Two-tone | 46.543 | 69.362 | 0.759 | 29.879 | 69.742 | | Monotone | 5.215 | 62.299 | 3.483 | 34.218 | 64.041 | | Paired | 17.333 | 73.568 | 2.023 | 24.409 | 74.579 | Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank. ## Compared with a random hand The table below sets each hand against its own random-hand baseline: a change of +4.11 points for AKs, from 67.05%, and -33.73 for KJs, from 62.57%. **AKs and KJs 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 | | --- | --- | --- | --- | --- | | AKs, all flops | 71.162 | 67.045 | +4.117 | 1.06141 | | AKs, rainbow, ten or higher | 68.918 | 67.045 | +1.873 | 1.02794 | | AKs, rainbow, nine or lower | 83.502 | 67.045 | +16.457 | 1.24546 | | AKs, two-tone | 69.742 | 67.045 | +2.697 | 1.04023 | | AKs, monotone | 64.041 | 67.045 | -3.004 | 0.95519 | | AKs, paired | 74.579 | 67.045 | +7.534 | 1.11237 | | KJs, all flops | 28.838 | 62.567 | -33.729 | 0.46091 | | KJs, rainbow, ten or higher | 31.082 | 62.567 | -31.485 | 0.49678 | | KJs, rainbow, nine or lower | 16.498 | 62.567 | -46.069 | 0.26369 | | KJs, two-tone | 30.258 | 62.567 | -32.309 | 0.48361 | | KJs, monotone | 35.959 | 62.567 | -26.608 | 0.57473 | | KJs, paired | 25.421 | 62.567 | -37.146 | 0.40630 | ## Does a shared suit matter? These two classes cannot share a suit in any legal deal, so there is only one row to read: AKs holds 71.16% in every deal of this matchup. **AKs against KJs by suit overlap, in percent** | Deals | Specific deals | Share of deals | AKs wins | Ties | KJs wins | AKs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 0 | 0.00 | not possible | not possible | not possible | not possible | | No shared suit | 12 | 100.00 | 70.586 | 1.151 | 28.263 | 71.162 | ## How often this matchup comes up How often does it happen? 12 of the 1,624,350 ordered deals (0.0007%) are AKs against KJs, and 24 (0.0015%) if either hand may sit in either seat. ## A worked example Say each player puts $100 in before the flop, making a $200 pot. On average AKs takes back $142.32 of it, which is $42.32 more than it put in, and KJs takes back $57.68, $42.32 less than it put in. Over a long run, 1,000 deals split into about 706 for AKs, 283 for KJs and 11 tied. ## The same matchup from the other side If you came looking for KJs against AKs, the numbers are the same with the hands swapped: 28.84% and 71.16%. ## Keep exploring AsKs against KhJh is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength. - [Open AsKs against KhJh in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=AsKs&p2=KhJh) - [AKs combos](https://georgelipoker.com/combos/aks.md) - [KJs combos](https://georgelipoker.com/combos/kjs.md) - [AKs vs A8s](https://georgelipoker.com/equity/aks-vs-a8s.md) - [AKs vs KTs](https://georgelipoker.com/equity/aks-vs-kts.md) - [77 vs KJs](https://georgelipoker.com/equity/77-vs-kjs.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 12 specific deals of AKs against KJs, 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 - [AKs vs A8s: preflop equity](https://georgelipoker.com/equity/aks-vs-a8s.md) - [AKs vs KTs: preflop equity](https://georgelipoker.com/equity/aks-vs-kts.md) - [77 vs KJs: preflop equity](https://georgelipoker.com/equity/77-vs-kjs.md)