--- title: "JTs vs 54s: preflop equity" url: "https://georgelipoker.com/equity/jts-vs-54s.md" canonical_url: "https://georgelipoker.com/equity/jts-vs-54s" last_updated: "2026-10-23" type: "reference" summary: "JTs is a big favorite over 54s before the flop: 62.77% to 37.24% equity, counted exactly over every board, with the split by flop type and suit." related: ["https://georgelipoker.com/equity/jts-vs-64s.md", "https://georgelipoker.com/equity/jts-vs-53s.md", "https://georgelipoker.com/equity/a2s-vs-54s.md"] --- # JTs vs 54s: preflop equity JTs is a big favorite over 54s before the flop: 62.77% to 37.24% equity, counted exactly over every board, with the split by flop type and suit. Averaged over every possible board, JTs is ahead of 54s by 25.54 points of equity, 62.77% to 37.23%. ## JTs against 54s: the numbers **Exact preflop results for JTs against 54s, in percent** | Hand | Wins | Ties | Loses | Equity | | --- | --- | --- | --- | --- | | JTs | 62.173 | 1.184 | 36.643 | 62.765 | | 54s | 36.643 | 1.184 | 62.173 | 37.235 | This is a contest between two suited hands, JTs and 54s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances. JTs is ahead, but 54s is far from dead: it takes 366 of every 1,000 deals outright. 1.18% of boards are ties, so the equity of each hand is its win rate plus half of that. In the ranking of all 169 starting hands, JTs is number 45 and 54s is number 136. **Boards behind the percentages: 27,396,864 counted in all** | Hand | Boards won, about | Boards tied, about | Boards lost, about | | --- | --- | --- | --- | | JTs | 17,033,000 | 324,000 | 10,039,000 | | 54s | 10,039,000 | 324,000 | 17,033,000 | The board total is exact, 16 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages. **JTs against 54s read as odds** | Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) | | --- | --- | --- | --- | --- | | JTs | 1.686 | 1.608 | 2.729 | 0.593 | | 54s | 0.593 | 2.729 | 1.608 | 1.686 | The final column gives the least the pot must offer for each unit called for a call to break even at this equity. ## Who is ahead on which flops Across the five flop textures JTs' equity moves by 29.60 points, from 39.65% on low rainbow flops (nine high or lower) to 69.25% on rainbow flops topped by a ten or better. Watch for low rainbow flops (nine high or lower): on those flops 54s holds the better equity. **JTs against 54s by flop texture, in percent** | Flop | Share of flops | JTs wins | Ties | 54s wins | JTs equity | | --- | --- | --- | --- | --- | --- | | Rainbow, ten or higher | 24.595 | 68.939 | 0.627 | 30.434 | 69.252 | | Rainbow, nine or lower | 6.314 | 39.331 | 0.637 | 60.032 | 39.649 | | Two-tone | 46.727 | 61.986 | 0.586 | 37.428 | 62.279 | | Monotone | 5.273 | 58.340 | 3.733 | 37.927 | 60.206 | | Paired | 17.091 | 62.568 | 3.040 | 34.392 | 64.088 | Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank. ## Compared with a random hand The table below sets each hand against its own random-hand baseline: a change of +5.24 points for JTs, from 57.53%, and -4.22 for 54s, from 41.45%. **JTs and 54s 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 | | --- | --- | --- | --- | --- | | JTs, all flops | 62.765 | 57.528 | +5.237 | 1.09103 | | JTs, rainbow, ten or higher | 69.252 | 57.528 | +11.724 | 1.20380 | | JTs, rainbow, nine or lower | 39.649 | 57.528 | -17.879 | 0.68921 | | JTs, two-tone | 62.279 | 57.528 | +4.751 | 1.08259 | | JTs, monotone | 60.206 | 57.528 | +2.678 | 1.04655 | | JTs, paired | 64.088 | 57.528 | +6.560 | 1.11403 | | 54s, all flops | 37.235 | 41.453 | -4.218 | 0.89825 | | 54s, rainbow, ten or higher | 30.748 | 41.453 | -10.705 | 0.74176 | | 54s, rainbow, nine or lower | 60.351 | 41.453 | +18.898 | 1.45589 | | 54s, two-tone | 37.721 | 41.453 | -3.732 | 0.90997 | | 54s, monotone | 39.794 | 41.453 | -1.659 | 0.95998 | | 54s, paired | 35.912 | 41.453 | -5.541 | 0.86633 | ## Does a shared suit matter? When the hands share a suit, JTs holds 65.03%; when they do not, it holds 62.01%. JTs does better with a shared suit, by 3.02 points. **JTs against 54s by suit overlap, in percent** | Deals | Specific deals | Share of deals | JTs wins | Ties | 54s wins | JTs equity | | --- | --- | --- | --- | --- | --- | --- | | Share a suit | 4 | 25.00 | 64.385 | 1.298 | 34.317 | 65.034 | | No shared suit | 12 | 75.00 | 61.435 | 1.147 | 37.418 | 62.009 | ## How often this matchup comes up Out of 1,624,350 ways to deal two seats two cards each, 16 are JTs in one seat and 54s in the other (0.0010%); with the seats swapped too, 32 (0.0020%). ## A worked example Take a $200 pot built from $100 each. JTs' equity of 62.77% is worth $125.54, a $25.54 edge, and 54s' 37.23% is worth $74.46, which is $25.54 under its stake. Run 1,000 deals and the tally comes out near 622 for JTs, 366 for 54s and 12 ties. ## The same matchup from the other side If you came looking for 54s against JTs, the numbers are the same with the hands swapped: 37.23% and 62.77%. ## Keep exploring The calculator link fills in JsTs against 5h4h, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength. - [Open JsTs against 5h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=JsTs&p2=5h4h) - [JTs combos](https://georgelipoker.com/combos/jts.md) - [54s combos](https://georgelipoker.com/combos/54s.md) - [JTs vs 64s](https://georgelipoker.com/equity/jts-vs-64s.md) - [JTs vs 53s](https://georgelipoker.com/equity/jts-vs-53s.md) - [A2s vs 54s](https://georgelipoker.com/equity/a2s-vs-54s.md) - [All hand matchups](https://georgelipoker.com/equity.md) ## How this was computed Method: exact enumeration. The 16 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 - [JTs vs 64s: preflop equity](https://georgelipoker.com/equity/jts-vs-64s.md) - [JTs vs 53s: preflop equity](https://georgelipoker.com/equity/jts-vs-53s.md) - [A2s vs 54s: preflop equity](https://georgelipoker.com/equity/a2s-vs-54s.md)