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Roulette odds

The real probabilities behind the table: how likely each bet is, what the house keeps, and how often streaks happen. Spin the table below and compare with the numbers.

On this page
  1. Odds of each bet
  2. The house edge
  3. How often streaks happen
  4. Try it on the table
  5. Every spin starts from zero
  6. Roulette odds: questions

Odds of each bet

The chance of a bet is the number of pockets it covers divided by the pockets on the wheel. Red covers 18 of 37 on a European wheel: 48.65%. A single number covers 1 of 37: 2.70%. On an American wheel divide by 38 instead.

The house edge

The house edge is the share of each bet the casino keeps on average over many spins. It is 2.70% on a European wheel, 1.35% on even-money bets at a French table with La Partage, and 5.26% on an American wheel. Staking 10 on red for 100 spins costs about 27 on average in Europe and about 53 in America.

How often streaks happen

Red in a rowEuropean wheelAmerican wheel
223.67%22.44%
311.51%10.63%
45.60%5.03%
52.72%2.39%
61.33%1.13%
70.65%0.54%
80.31%0.25%
100.07%0.06%
Chance that a given run of spins starts with that many reds.

Try it on the table

Play this table for real moneyBonus up to €1,500 + 10% cashbackWithdrawals within a few hours(Partner link · 18+)

Last numbers

Balance
5,000
Last win
0

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Bet0

Red, black and zero

Call bets

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Every spin starts from zero

The wheel has no memory. After five blacks, red is still 18 of 37. Streaks feel rare, but in an evening of 200 spins a run of seven of the same colour happens about three times in four (74%).

A number can also stay away a long time: in 37 spins, any given number has a 36.3% chance of not appearing at all. In 100 spins it is still 6.5%.

Roulette odds: questions

What are the odds of hitting a number?

1 in 37 on a European wheel (2.70%), 1 in 38 on an American wheel (2.63%).

Is red more likely after a run of black?

No. Each spin is independent; red stays at 48.65% on a single-zero wheel whatever came before.

What are the odds of zero?

1 in 37 per spin. It comes up at least once in 37 spins 63.7% of the time.

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