---
title: "A6s vs 54s: preflop equity"
url: "https://georgelipoker.com/equity/a6s-vs-54s.md"
canonical_url: "https://georgelipoker.com/equity/a6s-vs-54s"
last_updated: "2026-10-23"
type: "reference"
summary: "A6s is a big favorite over 54s before the flop: 61.40% to 38.60% equity, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/a6s-vs-64s.md", "https://georgelipoker.com/equity/a6s-vs-53s.md", "https://georgelipoker.com/equity/kto-vs-54s.md"]
---

# A6s vs 54s: preflop equity

A6s is a big favorite over 54s before the flop: 61.40% to 38.60% equity, counted exactly over every board, with the split by flop type and suit.

If A6s and 54s get all the chips in before the flop, A6s owns 61.40% of the pot in the long run and 54s owns 38.60%.

## A6s against 54s: the numbers

**Exact preflop results for A6s against 54s, in percent**

| Hand | Wins | Ties | Loses | Equity |
| --- | --- | --- | --- | --- |
| A6s | 61.118 | 0.566 | 38.316 | 61.401 |
| 54s | 38.316 | 0.566 | 61.118 | 38.599 |

Two suited hands meet here: A6s against 54s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

A 22.80 point lead is real, and 54s still takes about 383 of every 1,000 deals outright. Split pots make up 0.57% of the boards, and both equity figures count them as half a win each.

Ranked by equity against a random hand, A6s is number 31 of the 169 starting hands 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 |
| --- | --- | --- | --- |
| A6s | 16,744,000 | 155,000 | 10,497,000 |
| 54s | 10,497,000 | 155,000 | 16,744,000 |

Exact total: 16 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

**A6s 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) |
| --- | --- | --- | --- | --- |
| A6s | 1.591 | 1.636 | 2.610 | 0.629 |
| 54s | 0.629 | 2.610 | 1.636 | 1.591 |

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

The flop changes the picture. A6s does best on paired flops, at 65.51%, and worst on low rainbow flops (nine high or lower), at 44.92%. 54s takes over on low rainbow flops (nine high or lower), so the favorite before the flop is the underdog on those boards.

**A6s against 54s by flop texture, in percent**

| Flop | Share of flops | A6s wins | Ties | 54s wins | A6s equity |
| --- | --- | --- | --- | --- | --- |
| Rainbow, ten or higher | 25.220 | 64.749 | 0.255 | 34.996 | 64.877 |
| Rainbow, nine or lower | 5.689 | 44.512 | 0.822 | 54.666 | 44.923 |
| Two-tone | 46.727 | 60.205 | 0.321 | 39.474 | 60.365 |
| Monotone | 5.273 | 56.630 | 3.552 | 39.818 | 58.406 |
| Paired | 17.091 | 65.169 | 0.686 | 34.145 | 65.512 |

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

Relative to a random opponent, A6s changes by +1.49 points (baseline 59.91%) and 54s by -2.85 points (baseline 41.45%).

**A6s 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 |
| --- | --- | --- | --- | --- |
| A6s, all flops | 61.401 | 59.906 | +1.495 | 1.02496 |
| A6s, rainbow, ten or higher | 64.877 | 59.906 | +4.971 | 1.08298 |
| A6s, rainbow, nine or lower | 44.923 | 59.906 | -14.983 | 0.74989 |
| A6s, two-tone | 60.365 | 59.906 | +0.459 | 1.00766 |
| A6s, monotone | 58.406 | 59.906 | -1.500 | 0.97496 |
| A6s, paired | 65.512 | 59.906 | +5.606 | 1.09358 |
| 54s, all flops | 38.599 | 41.453 | -2.854 | 0.93115 |
| 54s, rainbow, ten or higher | 35.123 | 41.453 | -6.330 | 0.84730 |
| 54s, rainbow, nine or lower | 55.077 | 41.453 | +13.624 | 1.32866 |
| 54s, two-tone | 39.635 | 41.453 | -1.818 | 0.95614 |
| 54s, monotone | 41.594 | 41.453 | +0.141 | 1.00340 |
| 54s, paired | 34.488 | 41.453 | -6.965 | 0.83198 |

## Does a shared suit matter?

Two kinds of deal exist here. In 4 of them the hands share a suit and A6s holds 63.65%. In 12 they do not, and it holds 60.65%. A6s does better with a shared suit, by 3.00 points.

**A6s against 54s by suit overlap, in percent**

| Deals | Specific deals | Share of deals | A6s wins | Ties | 54s wins | A6s equity |
| --- | --- | --- | --- | --- | --- | --- |
| Share a suit | 4 | 25.00 | 63.332 | 0.643 | 36.025 | 63.653 |
| No shared suit | 12 | 75.00 | 60.380 | 0.540 | 39.080 | 60.650 |

## How often this matchup comes up

You will meet this exact matchup 0.0020% of the time in a random heads-up deal: 32 of 1,624,350, counting either seat order.

## A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. A6s averages $122.80 from the $200, up $22.80; 54s averages $77.20, down $22.80.

Run 1,000 deals and the tally comes out near 611 for A6s, 383 for 54s and 6 ties.

## The same matchup from the other side

The mirror image, 54s against A6s, is 38.60% to 61.40%, and its address redirects to this page.

## Keep exploring

Try As6s against 5h4h in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

- [Open As6s against 5h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As6s&p2=5h4h)
- [A6s combos](https://georgelipoker.com/combos/a6s.md)
- [54s combos](https://georgelipoker.com/combos/54s.md)
- [A6s vs 64s](https://georgelipoker.com/equity/a6s-vs-64s.md)
- [A6s vs 53s](https://georgelipoker.com/equity/a6s-vs-53s.md)
- [KTo vs 54s](https://georgelipoker.com/equity/kto-vs-54s.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 16 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

- [A6s vs 64s: preflop equity](https://georgelipoker.com/equity/a6s-vs-64s.md)
- [A6s vs 53s: preflop equity](https://georgelipoker.com/equity/a6s-vs-53s.md)
- [KTo vs 54s: preflop equity](https://georgelipoker.com/equity/kto-vs-54s.md)