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Roulette Inside Bets Payouts Odds & Edge

In this edition of Casino Roulette 101, we take a closer look at inside bets in roulette, including how to place them and what to expect in return and odds.

Updated 19 Jun 2026Section Casino Games5 min read

Casino Roulette 101: Interpretation of Inside Bets in Roulette.

Continuing with our new series on live and online roulette games, today’s discussion will be an introductory lesson in roulette betting. There are three types of wagers that can be placed; Inside bets, Outside bets, and (in a land-based casino) Announced bets.

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This article will focus entirely on Inside Bets. You’ll learn all the different types of inside bets, how to place them, what to expect in return, the odds of winning and the true house edge. If you aren’t too familiar with the game of roulette, take a moment to read our previous Casino Roulette 101 tutorial:

Inside Bets in Roulette

The term Inside Bets refers to the inner-most area of a roulette table’s betting diagram. Take a look at the roulette graphic below. The inner-most area is the section that contains all of the numbers, from 0 to 36.

All inside bets are based on one specific number, or small group of up to 6 adjacent numbers. The following is a run-down of all inside bets. Refer to the Figure Diagram on the right for references to the placement of each bet.

Placing a chip directly in the center of a number, such as the number 8, is a Single-Number Bet (fig. 1) on that number. If the 8 wins, the player wins the bet. If any other number wins, the player loses the bet. Place a chip on the line between 21 and 24, and it becomes a Split Bet (fig. 2) on both of those numbers.

A Street Bet (fig. 3) is a group of three consecutive numbers in a column, such as 1-2-3, 13-14-15, or 25-26-27. You can make this wager by placing a chip on the outside line of the column. Similarly, a Double Street Bet (fig. 4) is a wager on all six numbers in two adjacent streets, such as 1-2-3-4-5-6, or 28-29-30-31-32-33. This bet is made by placing your chip on the outer line of both columns, where they intersect.

A Corner Bet (fig. 5) is a wager on 4 adjacent number in an intersecting square, such as 16-17-19-20. This bet is made by placing a chip directly on the intersection of those four numbers.

Trio Bets (fig. 6) and Basket Bets (fig. 7) are special wagers associated with single-zero roulette games, like European and French Roulette. A Trio Bet is a wager on the 0-1-2, or the 0-2-3, made by placing the chip on the intersecting line between those numbers. A Basket Bet is similar, betting on the 0-1-2-3 by placing a chip on the outer line where both columns intersect.

CAUTION: A word to the wise—be careful where you place your chip when playing in a land-based casino. If you’re betting on a single number, your chip needs to be in the very center of the number’s box. If your chip is touching any edge line, even slightly, it may be interpreted as a line bet. More than one player (claims to have) lost what would have been a 35-to-1 payout due to bad positioning of their chips. To be certain, you can always ask the croupier to place your bet for you. Hand him the chip and tell him where it goes—there can be no confusion! Note that this is not an issue when playing online roulette.

Inside Bets Payout, Odds & House Edge

Inside Bet

Payout

Odds of Win

House Edge

Single-Number Bet

35 to 1

2.7%

2.7%

Split Bet

17 to 1

5.4%

2.7%

Street Bet

11 to 1

8.11%

2.7%

Double Street Bet

5 to 1

16.22%

2.7%

Corner Bet

8 to 1

10.81%

2.7%

Trio Bet

11 to 1

8.11%

2.7%

Basket Bet

8 to 1

10.81%

2.7%

 

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