An online roulette study

The wheel changes. Read the rules.

Online roulette explained through wheel formats, payouts and game rules. Compare the structures without mistaking a pattern for a prediction.

Wheel formatsRoulette rulesHouse edge

A stylised roulette diagram with alternating pockets; it is not a betting system.

Explore the subject

Compare roulette wheel assumptions

Fair wheel layout

Assumes a single-number bet with 35:1 net payout. Other bets, rule variations and special rules need separate calculations.

3 articles

Roulette literacy

Consider an ideal single-zero roulette wheel with 37 equally likely pockets: numbers 1 through 36 and one zero.

Roulette literacy

A run of red results is a description of completed spins.

Core guide

Count the outcomes, separate profit from returned stake and read the zero rule before interpreting a roulette table or a run of results.