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Bets · Inside bet · sixain · 6 min

Six Line

Two adjacent rows, six numbers, one chip.

Short answer

Six numbers, pays 5:1. ProbabilitymathProbabilityChance of an outcome, from 0 to 1 or 0% to 100%. One number: 1/37 = 2.70%.Read full → 16.22%.

covers
6 / 37
probability
16.22%
pays
5:1
SD per $1
2.23
On the table · 6 numbers
On the wheel
0321519421225173462713361130823105241633120143192218297281235326

Placement

ChipmoneyChipA token representing a fixed amount, placed on the layout to make a bet. Also: check.Read full → on the outer edge of the grid at the line between two rows, covering both: 16-17-18 and 19-20-21, for example. There are eleven six-lines (1–6 through 31–36). No six-line includes zerowheelZeroThe single green pocket that no even-money, dozen or column bet covers; the source of the house edge. Also: single zero, 0.Read full →. The chip must sit on the intersection of the row line and the grid edge; on the row line only it is a streetbetStreetThree numbers in a row of the layout, pays 11:1. French: transversale.Read full →.

Where the ball goes on a six line% of spins
this bet wins
16.22%
another number
81.08%
zero
2.70%
% of spins
040.5481.08%

Payout and expectation

Fair odds are 5.17 to 1; the table pays 5. A $10 six-line that hits returns $50. Over 37 average spins: six hits (+$300), 31 misses (−$310), net −$10.

$10 × 100 spinssix line
probability per spin16.22%
expected wins in 100 spins16.2
expected result−$27.03
standard deviation$221
p(no win in 100 spins)0.00%
longest typical losing run26 spins
Same expected loss as every other bet. The spread is what you are choosing.

Character

The largest inside betbetInside betAny bet placed on or between the numbers of the grid: straight up, split, street, corner, six line.Read full → and the bridge to the outside: half a dozen in coverage, at the matching payoutmoneyPayoutWhat a winning bet returns, quoted as “X to 1” on top of the returned stake.Read full →. Hits come about every six spins, and a 100-spin session almost never goes without one. The six-line is also the five-chip component of the James Bond spread, which puts five unitsmoneyUnitThe base stake a system or a player works in. Progressions are described in units so they apply at any table.Read full → on 13–18.

James Bond Strategy

Six lines and dozens

Two six-lines make a dozenbetDozen1–12, 13–24 or 25–36, pays 2:1.Read full → (1–6 plus 7–12 covers 1–12). Two $10 six-lines pay $50 − $10 = $40 when the dozen hits; a $20 dozen pays $40. Same bet, two shapes. Six-lines earn their place when you want to weight half a dozen or straddle two dozens, such as 10–15.

Dozens / Columns

Names

SixainFR · six lineSixainFrench for six line: six numbers in two rows, pays 5:1.Read full → or transversaleFR · streetTransversaleFrench for street (transversale pleine, 3 numbers) and six line (transversale simple, 6 numbers).Read full → simple in French; “line bet”, “double street” or “six-number bet” in English; sometimes “sixline” as one word on live interfaces.

Questions

Can a six-line include zero?

No. Zero is a single cell at the head of the layoutequipmentLayoutThe printed betting grid on the table. Also: table, felt, cloth.Read full → and forms streets (0-1-2, 0-2-3) and the basketbetBasketOn a single-zero wheel: 0, 1, 2, 3 with one chip, pays 8:1. Also: first four, quatre premiers.Read full →, not a six-line.

Why 2.23 for the SD?

√(p·25 + (1−p) − EV²) with p = 6/37. Lower than any other inside bet.

Comic relief

The largest inside bet, and the last one before the outside.

The largest inside bet, and the last one before the outside.

Sources

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Chapter 13, roulette.
reviewed 2026-09-28model: European, single zeromethodology ↗sources ↗