Game category

Roulette

Roulette is the clearest game in the casino for understanding house edge, because the edge comes from one visible thing: the zero. A wheel with 37 pockets pays 35:1 on a single number that hits once in 37 spins. That gap is the whole margin — 2.70% on a European wheel, and double that on an American one, for a game that otherwise plays identically.

This page covers how the wheel types differ, what every bet actually pays against its real probability, why betting systems cannot move the edge, and what the multiplier variants change.

Wheel Types and Why the Zero Matters

Almost every decision in roulette comes down to which wheel you sat at. The bets and payouts are the same; the number of pockets is not.

Wheel Pockets House Edge RTP
European (single zero) 37 2.70% 97.30%
French (single zero, La Partage) 37 1.35% on even-money bets 98.65%
American (double zero) 38 5.26% 94.74%
American, five-number bet 38 7.89% 92.11%

The American wheel adds a second zero without changing a single payout. That one extra pocket nearly doubles the house edge, which makes it the worst version of the game available and, in most online lobbies, entirely avoidable — European and French tables sit next to it at the same stakes.

French rules go the other way. La Partage returns half of an even-money bet when the ball lands on zero; En Prison locks the bet for one more spin instead. Either rule halves the edge on red/black, odd/even and high/low to 1.35%, which is among the best returns available anywhere in a casino. Both rules apply only to even-money bets — a straight-up number on a French wheel still faces the standard 2.70%.

What Each Bet Pays Against Its Real Odds

On a single-zero wheel every bet except none carries the same 2.70% edge. That is not a coincidence: each payout is calculated as though the zero did not exist, and the zero is where the margin lives.

Bet Pays Chance (European) House Edge
Straight up (1 number) 35:1 2.70% 2.70%
Split (2 numbers) 17:1 5.41% 2.70%
Street (3 numbers) 11:1 8.11% 2.70%
Corner (4 numbers) 8:1 10.81% 2.70%
Six line (6 numbers) 5:1 16.22% 2.70%
Column / dozen (12 numbers) 2:1 32.43% 2.70%
Red/black, odd/even, high/low 1:1 48.65% 2.70%

The practical consequence is worth stating plainly: on a European wheel there is no smart bet and no bad bet in terms of expected return. What changes across the table is variance, not value. A straight-up number returns the same 97.30% over the long run as red/black — it simply delivers that return in rare 36x lumps instead of frequent near-coin-flips.

Betting Systems and Why They Do Not Work

Roulette attracts more staking systems than any other casino game, and none of them changes the house edge. The reason is structural rather than a matter of execution: each spin is independent, so no sequence of past results makes a future result more likely, and no pattern of bet sizing can turn a set of negative-expectation bets into a positive-expectation one.

What systems do change is the shape of the outcome distribution. The Martingale — doubling after each loss — converts a normal session into many small wins punctuated by one catastrophic loss, and it collides with two hard walls: the table maximum and your bankroll. Seven consecutive losses on red/black is roughly a 1-in-120 event, which happens routinely across a session; at that point a $10 starting bet needs $1,280 to continue.

The reverse systems (Paroli, D’Alembert, Fibonacci) reshuffle the same maths differently. None is a mistake to use if you enjoy the structure — but none is an edge, and any presentation of one as a way to beat roulette is describing something that does not exist.

Live Roulette and Multiplier Variants

Online roulette comes in three forms. RNG tables run on a random number generator, let you set your own pace, and usually offer the lowest minimum stakes. Live dealer tables stream a physical wheel, run at the dealer’s speed, and are shared with other players. Both use the same wheel maths.

The third form is the multiplier variant, of which Evolution’s Lightning Roulette is the best known. These games apply random multipliers of 50x to 500x to a handful of numbers each round — and fund them by cutting the straight-up payout from 35:1 to 29:1. Published RTP is 97.30% on outside bets, essentially matching a standard European wheel, and slightly lower, around 97.1%, on the straight-up bets the multipliers apply to.

That trade is worth understanding before you play one: the headline is a 500x multiplier, but the money for it comes out of the ordinary straight-up wins you would otherwise have collected. The variant is more volatile than the classic game at roughly the same price.

What to Check Before You Play

Three checks take about thirty seconds and account for most of the difference between a good table and a poor one:

  • Count the zeros. One is standard. Two doubles the edge for no benefit whatsoever.
  • Look for La Partage or En Prison if you bet even money. Either rule halves your edge — from 2.70% to 1.35%.
  • Read the straight-up payout on multiplier tables. 29:1 instead of 35:1 tells you where the multipliers are funded from.

Beyond that, roulette is one of the few casino games where there is genuinely nothing to learn strategically. Once you have picked the wheel, the game is decided.

Roulette — FAQ

Which roulette version has the best odds?

French roulette with La Partage, for even-money bets: the rule returns half your stake when zero lands, halving the house edge to 1.35%. For any other bet type, European single-zero at 2.70% is the standard to look for.

Is any bet on the table better than the others?

Not on a single-zero wheel. Every bet carries the same 2.70% edge, because each payout is calculated as though the zero did not exist. What differs between bets is volatility, not expected return.

Does the Martingale system work?

No. It converts many small wins into one large loss and runs into the table maximum and your bankroll. Seven straight losses on an even-money bet is roughly a 1-in-120 event — common enough to meet within a normal session, and at that point a $10 opening bet requires $1,280 to continue.

Can previous spins predict the next one?

No. Each spin is independent, and the wheel has no memory. A run of ten reds does not make black more likely on the eleventh spin — the display of past results at the table exists because players want it, not because it carries information.

Is Lightning Roulette better value than standard roulette?

Not in return terms. The multipliers are funded by cutting the straight-up payout from 35:1 to 29:1, so the RTP lands around 97.1% on those bets against 97.30% on a standard European wheel. It is a more volatile game at a very slightly worse price.

Is live roulette fairer than RNG roulette?

Neither is fairer — the wheel maths are identical. A live table is observable and dealt physically, an RNG table is independently certified and lets you control the pace. The practical difference is speed: at a live table your stake per hour is set by the dealer, not by you.