How Many Numbers On A Roulette Wheel

June 13, 2026 By Off

How Many Numbers on a Roulette Wheel? A Technical Breakdown of the Layout

Let’s get the headline out of the way. The answer to “how many numbers on a roulette wheel” depends on which variant you are playing. It is not a universal figure. The European wheel has 37 pockets (0-36). The American wheel has 38 pockets (0-00-36). From what I’ve seen, most UK players prefer the European version because the house edge is smaller (2.70% vs 5.26%). That single extra pocket on the American wheel is a brutal tax on your bankroll.

I care about the underlying mathematics. The distribution of numbers is not random. They are carefully arranged to alternate between red and black, high and low, odd and even. This is a deliberate design to prevent any single section of the wheel from being “hot”. The sequence on a European wheel (clockwise) is: 0, 32, 15, 19, 4, 21, 2, 25, 17, 34, 6, 27, 13, 36, 11, 30, 8, 23, 10, 5, 24, 16, 33, 1, 20, 14, 31, 9, 22, 18, 29, 7, 28, 12, 35, 3, 26. Memorising that is pointless. The RNG (Random Number Generator) in online versions makes physical wheel patterns irrelevant.

Rare Software Providers and Exclusive Game Engines

Most casino affiliates drone on about “big wins”. I care about the engine. The question “how many numbers on a roulette wheel” becomes irrelevant if the RNG is rigged. You want UKGC-licensed sites using certified software. But here is the nuance: not all roulette software is created equal.

I have tested dozens of variations. The standard Microgaming and NetEnt roulette is fine. But the real geek stuff comes from Evolution Gaming (for live dealer) and Playtech (for their single-zero variants). There are also brand-exclusive titles that most players ignore.

  • Betway Casino – They have a proprietary “Betway Roulette” which uses a 37-pocket wheel with a slightly different payout structure on the outside bets. The UI is brutally fast. No lag.
  • 888 Casino – Their “888 Roulette” is powered by 888 Holdings. It has a unique “Neighbour Bet” feature that is hardcoded into the interface. You can bet on the number plus its two neighbours on the physical wheel layout.
  • LeoVegas – They use a custom HTML5 build for mobile. The animation of the ball dropping is rendered at 60fps. It feels smoother than most desktop versions.
  • Casumo – They have an exclusive “Casumo Roulette” from Play’n GO. It includes a “Bet History” overlay that shows the last 500 spins. Good for pattern recognition (even though it is mathematically useless).

I am not saying these are better for winning. But if you are a tech nerd who values UI responsiveness and exclusive mechanics, these matter more than the generic answer to “how many numbers on a roulette wheel”.

The Mathematics of the Wheel: Why the Number of Pockets Matters

Let me be blunt. The number of pockets is the single most important factor in your expected loss. If you play American roulette (38 pockets), the house edge is 5.26%. If you play European (37 pockets), it is 2.70%. That difference is massive over 1000 spins.

But here is a contradiction I have noticed: some players swear by the American wheel because the “0-00” split bet pays 17:1. That is a terrible bet. The true odds are 18:1. You are losing 2.78% on that single bet. The only reason to play American roulette is if you are at a physical table in the US and have no choice. Online? Stick to European.

There is also a rare variant called “French Roulette” which uses the same 37-pocket wheel but has the “La Partage” rule. If you bet on even-money (Red/Black, Odd/Even, High/Low) and the ball lands on zero, you get half your stake back. This drops the house edge to 1.35%. That is the best roulette bet in existence. Look for it at Bet365 Casino or Unibet.

Exclusive Promo Codes and Bonuses for UK Players

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Casumo CASUMO2026 £20 no deposit bonus 45x wagering within 72 hours £50

18+. T&Cs apply. Please gamble responsibly. These codes are case-sensitive. Do not use them on live dealer tables unless explicitly stated. The wagering contribution for live roulette is often lower (10-20%) than for RNG roulette (100%).

FAQ: Everything You Actually Need to Know About the Roulette Wheel

I have compiled the questions I get asked most often by other tech-savvy players. This covers the specifics of “how many numbers on a roulette wheel” and the deeper technical details.

How many numbers on a roulette wheel for European vs American?

European: 37 pockets (numbers 1-36 plus a single zero). American: 38 pockets (numbers 1-36 plus a single zero and a double zero). The extra double zero is why the American wheel has a higher house edge.

Are the numbers arranged randomly on the wheel?

No. The sequence is mathematically balanced to alternate between red and black, odd and even, and high and low. On a European wheel, the numbers are arranged so that consecutive numbers are as far apart as possible on the physical wheel. This prevents bias from a worn wheel (which is irrelevant for online RNG).

Can I bet on the wheel layout rather than the table layout?

Yes. Some software providers (like Evolution Gaming in their live dealer games) allow “Racetrack” bets. These are based on the physical wheel order. You can bet on “Voisins du Zéro” (neighbours of zero) which covers 17 numbers around the zero pocket. Or “Tiers du Cylindre” which covers the 12 numbers opposite zero. These are high-variance bets.

Does the number of pockets affect the RNG?

No. The RNG generates a random number between 0 and 36 (or 0 and 37 for American). The wheel layout is purely cosmetic for the animation. The underlying mathematics are the same. The only thing that changes is your probability of winning. For a single number bet on European: 1 in 37 (2.70%). On American: 1 in 38 (2.63%).

What is the best roulette variant for a low house edge?

French Roulette with La Partage. It uses a 37-pocket wheel but returns half your stake on even-money bets if zero hits. This brings the house edge down to 1.35%. Play this at Bet365 Casino or Unibet.

Strategy Guide: Exploiting the Wheel Structure

I am not going to sell you a “winning system”. There is no system that beats the house edge over the long run. But there are strategies that minimise variance and extend your playtime. That is what matters if you are a recreational player.

Here is my personal approach. It is based on the fact that “how many numbers on a roulette wheel” is 37. I bet on 24 numbers (two dozens) plus the zero. That covers 25 out of 37 pockets. The probability of hitting is 67.57%. The payout is not even, but the hit rate is high. I use a flat bet of £5 per spin. I never chase losses. I leave when I am up 20% or down 20%.

For the geeks: I use a Python script to track the RNG distribution. Over 10,000 spins, the deviation from expected frequency is usually less than 2%. That confirms the RNG is fair. If you see a deviation above 5%, switch casinos. That is a red flag for a faulty RNG.

Final Thoughts on the Roulette Wheel Numbers

The answer to “how many numbers on a roulette wheel” is simple: 37 or 38. But the real answer is more nuanced. You need to consider the software provider, the RNG certification, the bonus terms, and the specific variant (French vs European vs American). I have been testing these platforms for years. The ones I listed (Betway, 888, LeoVegas, Casumo, Bet365, Unibet) are the only ones I trust with my own money.

Do not waste time on unlicensed clones. Stick to UKGC-licensed sites. Check the RNG certification from eCOGRA or iTech Labs. And for the love of god, do not play American roulette online. The extra pocket is a trap.