Straight-Up Bet on Roulette — Guide, Odds & Real-Money Strategy
The Straight-Up is roulette’s boldest bet — a single number wager offering a massive 35:1 payout. Below you will find exactly how to place it, the exact odds and EV on each wheel variant, interactive probability math, and bankroll-safe strategies to use on live multiplier tables.
Last Updated: May 2026 • Verified by: Roulette UK Team
Where to Play Straight-Up Bets (Our Picks)
T&Cs (18+)
The maximum bet a player can place in a single round is 10 EUR / USD / GBP / AUD / CAD / CHF and 100 SEK / NOK / ZAR / DKK. The minimum deposit to qualify for any deposit bonus is 20 EUR / USD / GBP / AUD / CAD / CHF and 250 SEK / NOK / ZAR / DKK. Bonuses can be used on all Video Slot and Classic Slot games by all providers. The casino reserves the right to remove winnings and withhold withdrawals if a player has placed bets on games other than Video Slots and Classic Slots while the player has an active bonus balance. This means Table games, Card games and Live Casino games are also forbidden while the player has an active bonus balance. Players can cancel their bonus by themselves in the bonuses menu. This can only be done before a bet is placed. During the deposit process players have to choose if they want to use deposit bonus or not before each deposit.
T&Cs (18+)
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: 10, max. Bonus £25. Maximum amount of Free Spins is 100. Game: Book of Dead, Spin Value: 0.1. WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min 0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
T&Cs (18+)
First deposit only.This offer is only available for first time depositors. Min deposit is £10.80 Free Spins on Big Bass Bonanza. Spin Value: £_0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO’s Rewards and Game policy applies.
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What Is a Straight-Up Bet?
A Straight-Up bet is a wager on exactly one number on the felt (0–36 on European/French, plus 00 on American). If the ball lands directly in that pocket, the casino pays you 35:1.
- ✔️ Offers the biggest standard payout in roulette.
- ⚠️ Carries the lowest hit chance: 1 in 37 (European) or 1 in 38 (American).
- 🎯 It is the only bet eligible for massive bonuses on Lightning Roulette tables.
How to Place the Chip
To make this bet, select your chip value and drop it directly into the centre of the number square. It must not touch the white borders of the box; if it touches a line, it becomes a Split or a Corner bet.
A classic Straight-Up bet placed directly in the center of the 15 square.
You can place multiple Straight-Ups in the same spin to spread your risk; each individual number simply requires its own dedicated chip.
Odds, House Edge & Expected Value (EV)
The payout (35:1) is the exact same on all standard wheels. However, the probability of hitting your number changes depending on the variant you play, because the American wheel adds an extra 00 pocket.
| Roulette Variant | Hit Chance | House Edge | Payout | EV (per £1) |
|---|---|---|---|---|
| European (Single Zero) | 1/37 = 2.70% | 2.70% | 35:1 | -£0.027 |
| French (La Partage) | 1/37 = 2.70% | 2.70%* | 35:1 | -£0.027 |
| American (Double Zero) | 1/38 = 2.63% | 5.26% | 35:1 | -£0.052 |
*Note: The French La Partage rule halves the house edge to 1.35% for Even-Money bets, but it does not apply to Straight-Up bets.
No betting system changes the underlying house edge. Structure helps you manage your variance and bankroll swings, but it does not alter the fundamental math of the wheel.
Hit Probability Calculator
Players often wonder, “If I bet my favourite number for 20 spins in a row, what is the actual chance it hits?” Use the interactive tool below to calculate the exact probability of your number landing at least once.
Racetrack & Neighbours — Smarter Aiming
On modern live dealer and digital tables, you get a racetrack view of the wheel for quick call bets. This is perfect when you want a Straight-Up hit, but also want to cover the physical pockets next to it on the wheel.
Neighbours (Voisins proches)
“Neighbours of N” places one Straight-Up on your number and identical chips on the adjacent numbers on the physical wheel. Example: “17 with 2 neighbours” costs 5 chips total.
- Use Case: Hunt a favourite number while softening near-misses.
French Call Bets
- Voisins du Zéro: 17 numbers around the green zero.
- Tiers du Cylindre: 12 numbers opposite the zero.
- Orphelins: 8 “orphans” split across the two remaining sectors.
Strategy: Add one extra Straight-Up within your chosen sector to create a massive profit spike if it lands exactly on your target.
Live Multipliers Math (Lightning & Quantum)
Multiplier tables (like Evolution’s Lightning Roulette or Playtech’s Quantum Roulette) completely rewrite the rules for the Straight-Up bet. To fund massive random jackpots (50x–500x), the casino reduces the standard non-multiplied payout to roughly 29:1.
| Outcome Type | Example Payout | Mathematical Note |
|---|---|---|
| Non-Multiplied Hit | ~29:1 | Lower base payout funds the jackpot pool. |
| Multiplied Hit | 50x – 500x | Only applies to Straight-Up bets; creates huge volatility spikes. |
| Outside Bets | 1:1 / 2:1 | Multipliers do not apply to outside coverage. |
If you play multipliers, you must bias toward more Straight-Ups at a smaller chip size to sample enough numbers. Expect long, bankroll-draining droughts between big 500x spikes.
Smart Ways to Use Straight-Ups (Combinations)
Betting on single numbers alone is a fast way to go broke. Smart players combine high-risk inside bets with stable outside bets.
“24 + 8” Coverage
Bet two dozens (1–12 & 13–24) plus 8 Straight-Ups on 25–36. The dozens aim for a breakeven cushion, while the Straight-Up landing gives a massive net win.
Requires a high chip count. Manage your limits carefully.
Outside + Straight-Ups
Pair a standard outside bet (e.g., £10 on Red) with 1–3 Straight-Ups (e.g., £1 each) you are “hunting”. The outside bet stabilises your bankroll, while the Straight-Ups provide the jackpot potential.
Bonus Rule Warning: Some casinos flag heavy “board-coverage” patterns during bonus wagering. Always check the terms on our roulette bonuses page.
Bankroll Management Rules
- Unit Size: Keep your base unit ≤ 2–5% of your total bankroll (lower is safer).
- Stop-Loss: Pre-set a hard loss cap (e.g., 20 units) and walk away immediately.
- Stop-Win: After a 35:1 hit, bank a chunk of the profit (50–70%) before continuing.
- Systems: Review the Martingale, Fibonacci, or Labouchere systems to structure your staking plan.
Common Mistakes & Myths (Avoid These)
- The “Due Numbers” Fallacy: Past spins do not make a number “due”. Each spin is mathematically independent.
- Over-betting Units: Risking 10%+ of your bankroll per spin on single numbers drains cash incredibly fast.
- Ignoring Table Maximums: Aggressive progressions can quickly smash into inside betting caps. Check the limits first.
- Playing American by Default: If European/French exists, pick it. You halve the house edge instantly by dropping the 00.
- Failing to Bank Wins: After a 35:1 spike, withdraw or set aside a portion. Peaks fade quickly to the house edge.
Ready to Play Straight-Up?
Practice free, then move to trusted casinos with small units and firm stop-rules.
T&Cs (18+)
The maximum bet a player can place in a single round is 10 EUR / USD / GBP / AUD / CAD / CHF and 100 SEK / NOK / ZAR / DKK. The minimum deposit to qualify for any deposit bonus is 20 EUR / USD / GBP / AUD / CAD / CHF and 250 SEK / NOK / ZAR / DKK. Bonuses can be used on all Video Slot and Classic Slot games by all providers. The casino reserves the right to remove winnings and withhold withdrawals if a player has placed bets on games other than Video Slots and Classic Slots while the player has an active bonus balance. This means Table games, Card games and Live Casino games are also forbidden while the player has an active bonus balance. Players can cancel their bonus by themselves in the bonuses menu. This can only be done before a bet is placed. During the deposit process players have to choose if they want to use deposit bonus or not before each deposit.
T&Cs (18+)
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: 10, max. Bonus £25. Maximum amount of Free Spins is 100. Game: Book of Dead, Spin Value: 0.1. WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min 0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
T&Cs (18+)
First deposit only.This offer is only available for first time depositors. Min deposit is £10.80 Free Spins on Big Bass Bonanza. Spin Value: £_0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO’s Rewards and Game policy applies.
#AD 18+ | T&Cs apply | BeGambleAware.org