roulette.casino
Roulette simulator
Click numbers on the felt, then spin. Free practice — no signup, no real money.
37 pockets · single zero · 2.70% house edge
Place chips on any number, then spin.
Speed
Bankroll
$1,000
On the table $0
Chip
Click a number to bet
Spins
0
Session P/L
$0
Red / black / green
0 / 0 / 0
House edge
2.70%
Last results
Hot and cold
18+. Gambling can be addictive. Practice table only — no deposits, no payouts. French uses La Partage on even-money bets when zero hits. Help: begambleaware.org.
Free simulator for European, American French roulette
The roulette simulator on roulette.casino spins a virtual single-zero or double-zero wheel with the exact probabilities of the real game, so you can place bets, run betting systems and watch what happens to a balance over hundreds or thousands of spins without money involved. I built it for one reason: most people believe a strategy works because they saw it work for twenty spins. The simulator lets you run two thousand.
What a roulette simulator is
A roulette simulator is a practice tool that draws random results with the same odds as a real wheel: 1 in 37 for each pocket on a European table, 1 in 38 on an American one. You choose a bet, a stake and, if you want, a betting system; the simulator plays it out and records the balance after every spin. There is no account, no deposit and no prize. The output is information.
For someone who has never played, it is the fastest way to see how bets pay out and how often they win. For someone who has played for years, it is the fastest way to find out whether the system they trust survives a long run. In my experience it is the second group that learns the most.
How to use the simulator
- Pick the wheel. Single zero is the fair comparison for almost every online table.
- Choose one bet type and one stake. Red or black at a fixed stake is the cleanest baseline.
- Run at least 500 spins before drawing any conclusion. Anything shorter is noise.
- Switch to a betting system such as Martingale or Fibonacci and run the same number of spins from the same starting balance.
- Compare the end balances and, more importantly, the lowest point the balance reached along the way. That low point is what a real session would have cost you.
What you learn from a few thousand spins
That no betting system changes the average
Run the Martingale, the Fibonacci and plain flat betting for 2,000 spins each. The balances will end in different places and the curves will look nothing alike, but the average loss across many runs converges on the same number for all three: 2.70 percent of everything staked. That is the house edge, and the simulator is the quickest way to see it survive every system on our strategies page.
That short runs prove nothing
Over 100 even-money spins, roughly four runs in ten finish in profit. Over 10,000 spins, fewer than one in 250 does. Run the same setup ten times and you will see both: sessions that look like a winning method and sessions that wipe the balance, from identical rules. A few winning spins do not prove a strategy, and a few losing spins do not prove a bet is bad. Only the long run tells the truth, and the simulator gets you there in minutes.
Where a session actually breaks
Negative progressions rarely fail at the end balance. They fail at the low point, when the next required bet is larger than what is left or than the table allows. Watch the balance curve, not the final number. The dip is the real cost of the system.
Single zero versus double zero
The simulator runs both wheels, which makes it the easiest way to see what the second zero costs. Same bet, same stake, same number of spins: the double-zero wheel loses roughly twice as fast.
| Wheel | Pockets | House edge | Expected loss, 1,000 spins at 1 unit |
|---|---|---|---|
| European (single zero) | 37 | 2.70% | 27 units |
| American (double zero) | 38 | 5.26% | 53 units |
Simulator versus real roulette
The mathematics is identical. What the simulator removes is everything around the mathematics: the money is not real, there is no clock, no dealer, no pressure to win back a loss before the evening ends. That is exactly why people play the simulator sensibly and the real table badly. If you find yourself doubling to recover in the simulator, take it as information about what you would do with real money, and read our responsible play page.
Frequently asked questions
Is the roulette simulator free?
Yes. No account, no deposit, no download. It runs in the browser and nothing you do in it involves money.
Can I win real money with the simulator?
No. It is a practice and testing tool. It does not pay out, and it is not connected to any casino.
Does practising in the simulator improve my odds in real roulette?
It improves your understanding, not your odds. The house edge is the same on every wheel and every spin is independent. What practice does give you is a realistic picture of what a session costs, which is worth more than any system.
Can I test betting systems in the simulator?
Yes, and that is its main purpose. Run Martingale, Fibonacci, D’Alembert or flat betting for a few thousand spins each and compare the balance curves. Expect the systems to differ in how they lose, not in whether they lose.
Are the results random like a real wheel?
The simulator draws each result with the same probability as a physical wheel: 1 in 37 per pocket on the single-zero wheel, 1 in 38 on the double-zero wheel. Over a large number of spins the results match the published odds.
Which wheel should I use for testing?
Single zero, because that is what almost every online table uses. Switch to double zero only to see what the extra pocket costs, which is roughly twice the loss over the same number of spins.