Online roulette simulators
Compare online roulette rules, pocket counts, and house edge before running longer strategy tests.
European Roulette
EuropeanSingle-zero wheel for lower house edge testing and clean baseline simulations.
- House edge
- 2.70%
- Numbers
- 37
American Roulette
AmericanDouble-zero model for comparing volatility, drawdown, and bankroll pressure.
- House edge
- 5.26%
- Numbers
- 38
French Roulette
FrenchSingle-zero rules with La Partage context for even-money strategy analysis.
- House edge
- 1.35%*
- Numbers
- 37
Online Roulette Simulator and Strategy Lab
Run free online roulette simulations, compare European, American, and French wheels, test betting systems, and understand bankroll risk without real-money play.
Bankroll
$10,420
+4.2% session
ROI
3.8%
Preview
Hit Rate
47.6%
1,250 spins
Total Spins
12.4k
Preview
Illustrative sample data — not a real player session or a profit claim.
Profit/Loss
PreviewOnline roulette bankroll analytics without casino noise.
Roulette Lab is built around measurable sessions, clear probabilities, and repeatable experiments. The simulator accepts no deposits or real-money bets. Some pages may contain clearly marked GEO-targeted advertising or affiliate links.
Bankroll
$8,940
-10.6%
ROI
-2.1%
after wager
Hit Rate
48.8%
outside bets
Total Spins
500
batch test
Illustrative sample data — not a real player session or a profit claim.
Popular strategies
Martingale
High variance progression that doubles after losses and stresses bankroll limits.
Explore StrategyFibonacci
Sequence-based progression for smoother exposure than aggressive doubling systems.
Explore StrategyLabouchere
Cancellation system for testing target-profit sessions and recovery pressure.
Explore StrategyLatest articles
Roulette volatility ranking: colors, dozens, numbers, and sectors
Not all roulette bets feel the same. Colors and even-money bets hit often but pay little. Dozens and columns hit less often but pay more. Straight numbers create the highest volatility because most spins lose and rare wi...
Jul 8, 2026 / 4 min read
Read full storyFive roulette myths that a simulator destroys in one evening
The biggest roulette myths are familiar: a number is due, red must follow black, a progression guarantees recovery, a hot number stays hot, and a short winning session proves the system works. A simulator destroys these ...
Jul 8, 2026 / 4 min read
Read full storyStop-loss and stop-win: the boring rules that make roulette tests useful
A roulette test without exit rules is incomplete. Stop-loss defines how much a session can lose before it ends; stop-win defines when profit is enough. These rules do not change the house edge, but they make sessions com...
Jul 8, 2026 / 4 min read
Read full storyResponsible gaming
Is Roulette Lab a gambling site?
No. Roulette Lab is an educational analytics product. It does not accept deposits, bets, or real-money play.
Can simulations guarantee profit?
No simulation can remove house edge or variance. The goal is to understand risk before money is involved.