Roulette is a table game found in many UK casinos, including online platforms, where players place bets on where they think a small ball will land on a spinning wheel. The game uses numbers 1–36 and a single zero in the most common European format, which is standard in the UK.
One type of bet available is the line bet, sometimes called a six-number bet. This guide explains what a line bet is, how it works, and the type of payout it offers. Understanding these details may help you navigate the different betting options in roulette and make more informed choices when placing a wager.
A line bet is a wager on six numbers that are next to each other in two rows of three numbers on the roulette table layout. This type of bet is considered an inside bet.
To place a line bet:
For example, if you want to cover the numbers 10–15, you would place your chip on the outside corner that touches 12 and 15. This covers six numbers in total.
In European roulette, there are 37 pockets (numbers 1–36 plus a single zero). Since a line bet covers six numbers, the probability of the ball landing on one of them is 6/37, which is about 16.2%.
Roulette is a game of chance. Even though a line bet covers more numbers than a single-number bet, there is no method to guarantee a win. Different casinos may display tables slightly differently, so it can be useful to check the table layout or paytable before placing a line bet.
The payout for a line bet is 5:1. This means that if the ball lands on a number you have selected:
For example:
Because line bets cover six numbers, the potential payout is lower than a straight-up single-number bet, which can pay 35:1, or a split bet, which pays 17:1.
All of these possible payouts assume a standard European roulette table; if you play American roulette with a double zero, probabilities change slightly due to the extra pocket.

There is no strategy that guarantees a win in roulette. All bets are subject to the random outcome of the spinning wheel and the ball. However, understanding the function of a line bet can help inform your decision-making.
A line bet may be considered a middle-ground inside bet because it covers six numbers rather than one or two:
Some players may choose to combine line bets with other types of bets, such as even-money bets on red or black. This may help cover a larger portion of the wheel, but the outcome remains random. The line bet itself remains an inside bet with a fixed potential payout and fixed probability.
Before placing a line bet, consider:
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Whether a line bet is suitable depends on your approach and preferences. It has specific characteristics:
Compared to other inside bets:
Compared to outside bets:
Roulette outcomes are random. There is no “best” bet, and the line bet is one option among many.
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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to these games are subject to change at any time. Game features mentioned may not be available in some jurisdictions.
**The information provided in this blog is intended for educational purposes and should not be construed as betting advice or a guarantee of success. Always gamble responsibly.