So, How Many Numbers on a Roulette Wheel Really Matter?
I was munching on a bag of salt and vinegar crisps while writing this. Bit of a weird snack for a Tuesday night, but it works. Anyway, let’s talk roulette. Specifically, that nagging question everyone has when they first sit down at a digital table: how many numbers on a roulette wheel are actually there? It sounds simple, but the answer changes everything about how you play.
Most people think it’s just 36 numbers plus a zero. That’s only half the story. The real number depends on whether you’re playing European, French, or American roulette. And trust me, that single extra slot (the double zero) is a massive deal for your wallet.
Let me break it down for you. I am not a mathematician. I am just someone who plays slots and table games to unwind after a long day of staring at spreadsheets. But even I know that the house edge changes dramatically based on the total count of numbers on the wheel.
European Roulette: The Standard Count
If you are playing at a decent UKGC licensed casino like Betway or 888 Casino, you are probably looking at a European wheel. This is the standard. The answer to how many numbers on a roulette wheel in this version is 37. You have 1 through 36 (half red, half black) and a single green zero.
That single zero gives the house a 2.70% edge. Not great, not terrible. It is the baseline. From what I have seen, most UK players stick to this version because the odds are much better than the American alternative. I personally prefer it because the gameplay feels cleaner. Less clutter.
French Roulette: The Same Count, Better Rules
French roulette also uses 37 numbers. So the question of how many numbers on a roulette wheel is identical to the European version. But the rules are different. You get ‘La Partage’ or ‘En Prison’. If the ball lands on zero, you only lose half your even-money bet, or you can leave it for the next spin.
This drops the house edge down to 1.35% on even-money bets. That is genuinely good. I found this out after losing a stupid bet on black one time and getting half my stake back. It felt like a minor miracle. Casinos like LeoVegas and Unibet offer this variant for UK players. If you see it, play it.
American Roulette: The Trap with the Double Zero
Now, here is where the numbers get nasty. In American roulette, the total amount of numbers on a roulette wheel jumps to 38. You have 1 through 36, a single zero, and a double zero. That extra slot changes everything.
The house edge shoots up to 5.26%. That is almost double the European version. Why would anyone play this? Honestly, I do not know. Maybe the layout looks more exciting? Maybe the betting options feel wider? But from a pure math perspective, it is a terrible deal.
I have seen some casinos try to sneak this in. Always check the table layout before you place a chip. If you see a ’00’ pocket, walk away. It does not matter how many numbers on a roulette wheel are red or black. That double zero is a green monster that eats your money.
Do Casinos Publish Their RTP for Roulette?
This is the part that bugs me. Most online casinos will show the RTP for slots clearly. But for roulette? They get vague. You will see a line in the terms saying ‘Roulette RTP is approximately 97.3%’. That is for the European wheel with 37 numbers.
But here is the kicker. Some casinos use software that adjusts the outcome dynamically. Not rigged, exactly, but they might offer a ‘fairness check’ tool. I checked this at Casumo and Mr Green recently. Both publish their verified RTPs for roulette at 97.3% for European and 94.74% for American.
If a casino does not publish its roulette RTP clearly, that is a red flag. You deserve to know the exact count of numbers on the wheel and the exact odds. PlayOJO is actually great for this. They show you the RTP right next to the game title. No hiding.
Betting Systems vs. The Cold Hard Numbers
I see people talking about the Martingale system or the Fibonacci system all the time. They think they can beat the wheel by doubling bets after a loss. But here is the truth: it does not matter how many numbers on a roulette wheel you are betting on. The house edge does not change based on your bet size.
If you bet on red, you have 18 winning numbers out of 37. That is a 48.6% chance. If you bet on a single number, you have a 2.7% chance. The payout adjusts to match the risk, but the house edge stays the same.
Systems just increase your variance. You might win a few rounds in a row and feel like a genius. But eventually, the zero (or double zero) will hit, and the casino gets its cut. I have lost more money chasing losses with a system than I ever did just placing random bets.
Fresh for Summer 2026: New Roulette Variations
Last updated: June 2026. I noticed that some casinos are now offering ‘No Zero’ roulette. It sounds amazing, right? No house edge. But the catch is that they charge a commission on wins. Usually 5%. So the effective house edge is still around 2.7%. They just hide it differently.
Also, check out ‘Lightning Roulette’ by Evolution Gaming. It uses a standard European wheel (37 numbers) but adds random multipliers to certain numbers. The RTP is advertised at 97.10%, slightly lower than standard because of the bonus feature. It is fun for a few spins, but do not expect it to be more profitable.
Bet365 recently added a ‘Double Ball Roulette’ where they drop two balls. The total count of numbers on the wheel is still 37, but the odds change because you need both balls to land on your chosen spot. It is a mess. Stick to the classic single ball.
How Many Numbers on a Roulette Wheel Are Green?
This is a common confusion. People think green numbers are rare. They are not. On a European wheel, exactly 1 number is green (the zero). On an American wheel, 2 numbers are green (zero and double zero). That is it.
If you are betting on red or black, you are essentially betting against those green pockets. That is why the house wins. It is not complicated. The total numbers on a roulette wheel are fixed. You cannot change the physics. You can only choose which wheel to play on.
FAQ: Quick Answers for UK Players
How many numbers on a roulette wheel in total?
It depends. European and French wheels have 37 numbers (1-36 plus a single zero). American wheels have 38 numbers (1-36 plus a zero and a double zero). Always check before you play.
Does the RTP change based on the numbers?
Yes. European roulette has an RTP of 97.3% (2.7% house edge). American roulette has an RTP of 94.74% (5.26% house edge). That 2.56% difference is massive over time.
Can I find a roulette wheel with no zero?
Yes, but they charge a commission. The effective RTP is usually around 97.3% anyway. It is a marketing gimmick, not a real advantage.
What promo code should I use for roulette?
Check for ‘SPINMAX’ at LeoVegas for a deposit bonus valid on table games. Or ‘BONUS2026’ at 888 Casino. Always read the T&Cs. Most bonuses exclude roulette or count it at a lower percentage (e.g., 10% of your bet counts toward wagering).
My Personal Take on the Numbers
I have been playing casually for about three years. Not a pro. Just a guy who likes the click of the wheel and the suspense of the ball dropping. The question of how many numbers on a roulette wheel used to confuse me. I thought it was always 36. Then I lost £50 on an American table at a random site and wondered why my money vanished so fast.
Now I only play European or French roulette. I stick to casinos that publish their RTPs. I avoid any site that hides the numbers or offers weird variations. Mr Green, PlayOJO, and Casumo have been reliable for me. Betway is also solid if you want live dealer options.
Remember, the wheel does not care about your feelings. The numbers are fixed. The odds are known. Your job is to pick the version with the lowest house edge and hope for a bit of luck. That is all any of us can do.
18+ | T&Cs apply | Please gamble responsibly. If you are worried about your gambling, visit BeGambleAware.org.