Roulette Payout Calculator 2026 ⚡ Estimate Your Winnings

Table of contents

Introduction to the Roulette Payout Calculator

The Roulette Payout Calculator turns bet ideas into clear numbers. You choose a table type (European/French with 37 pockets or American with 38), select a bet (e.g., Straight, Split, Red/Black), enter a stake, and the tool shows potential payout, net profit, and implied probability. It’s built for quick checks while you play or plan a session, so you always know what a win would pay and how likely it is.

How the Calculator Works

Pick the wheel: European/French (1-36 + 0) or American (1-36 + 0 + 00).
Choose your bet type: Inside (Straight, Split, Street, Corner, Six Line) or Outside (Dozens/Columns, Red/Black, Odd/Even, High/Low).
Enter stake: Any unit size (e.g., $1, $5, €10).
See outputs instantly:
- Gross return = stake × payout ratio (e.g., 35:1).
- Net profit = gross return − stake.
- Hit chance (approx.) based on pockets covered.
(French only) La Partage / En Prison: Toggle to show halved loss or hold on even-money bets when zero hits (details in section 6).
Optional multi-bet mode: Add multiple simultaneous bets; the tool totals exposure, best-case, and breakeven hit rates.

Roulette Bet Types Explained (with standard payouts)

Straight (1 number) – pays 35:1; covers exactly one pocket.
Split (2 numbers) – 17:1; chip on the line between two numbers.
Street (3 numbers) – 11:1; one row (e.g., 1-2-3).
Corner (4 numbers) – 8:1; chip on the intersection of four.
Six Line (6 numbers) – 5:1; two adjacent streets.
Dozen / Column (12 numbers) – 2:1; pays on 1-12 / 13-24 / 25-36 or one of three columns.
Even-Money (18 numbers) – 1:1; Red/Black, Odd/Even, Low/High.Notes: Payout tables are the same on European and American wheels; the probabilities differ because of the extra 00 on American.

Understanding Odds and Probabilities (quick math)

Use pockets covered ÷ total pockets for the hit chance.

European Roulette (37 pockets)

Straight: 1/37 ≈ 2.70%
Split: 2/37 ≈ 5.41%
Street: 3/37 ≈ 8.11%
Corner: 4/37 ≈ 10.81%
Six Line: 6/37 ≈ 16.22%
Dozen/Column: 12/37 ≈ 32.43%
Even-Money: 18/37 ≈ 48.65%

American Roulette (38 pockets)

Straight: 1/38 ≈ 2.63%
Split: 2/38 ≈ 5.26%
Street: 3/38 ≈ 7.89%
Corner: 4/38 ≈ 10.53%
Six Line: 6/38 ≈ 15.79%
Dozen/Column: 12/38 ≈ 31.58%
Even-Money: 18/38 ≈ 47.37%

Why payouts don’t “match” probabilities: The house edge comes from paying slightly less than true odds. European edge ≈ 2.70%; American edge ≈ 5.26% (because of the 00).

Example Calculations (European wheel unless noted)

Example A – Straight bet, €5

Payout 35:1 ⇒ gross return = €5 × 35 = €175
Net profit = €175 − €5 = €170
Hit chance ≈ 2.70% (1/37)

Example B – Dozen bet, €10

Payout 2:1 ⇒ gross return = €10 × 2 = €20
Net profit = €20 − €10 = €10
Hit chance ≈ 32.43% (12/37)

Example C – Red (even-money), €25, French table with La Partage

Ball lands on 0: you lose only half your stake → loss = €12.50 (instead of €25).
Ball lands on Red: gross return = €25 × 1 = €25; net = €25.
Effective house edge on even-money drops to ~1.35% with La Partage (see next section).

Example D – American Corner bet, $10

Payout 8:1 ⇒ gross return = $10 × 8 = $80
Net profit = $70
Hit chance ≈ 4/38 = 10.53% (slightly worse than European).

Multi-bet snapshot (e.g., €5 on Red + €1 on Straight 17):

Total stake €6.
Best-case if Red wins and Straight hits in the same spin (only if 17 is also Red): net = (Red €5 ×1) + (Straight €1 ×35) − €6 = €34.
The calculator handles these overlaps and shows exposure and best-case clearly.

Roulette Bets Summary — Inside vs Outside

Bet Type	Category	Numbers Covered	Payout Ratio	Win Probability (European)	Variance / Risk Level	Player Notes
Straight (Single Number)	Inside	1	35 : 1	2.70 %	Very High	Big win potential, but rare hits; best for short bursts or fun shots.
Split (Two Numbers)	Inside	2	17 : 1	5.41 %	High	Slightly safer than straight; popular in combination bets.
Street (Row of Three)	Inside	3	11 : 1	8.11 %	High	Balanced risk; covers one full horizontal line.
Corner (Four Numbers)	Inside	4	8 : 1	10.81 %	Medium-High	Great mix of action and payout; often used with progression systems.
Six Line (Double Street)	Inside	6	5 : 1	16.22 %	Medium	Broad coverage; useful for smoother sessions.
Dozen (1–12 / 13–24 / 25–36)	Outside	12	2 : 1	32.43 %	Medium-Low	Simple, frequent wins; popular among steady players.
Column (Vertical 12)	Outside	12	2 : 1	32.43 %	Medium-Low	Same odds as dozens; adds visual symmetry to betting layout.
Red / Black	Outside	18	1 : 1	48.65 %	Low	Best for beginners; steady flow of wins and losses.
Odd / Even	Outside	18	1 : 1	48.65 %	Low	Classic even-money bet; pairs well with mild progression systems.
Low / High (1–18 / 19–36)	Outside	18	1 : 1	48.65 %	Low	Simple 50/50-style play; core of many bankroll-management strategies.

House Edge and Real Returns (incl. La Partage / En Prison)

European wheel: House edge ≈ 2.70% on all standard bets.
American wheel: House edge ≈ 5.26% (higher risk over time).
French rules (even-money only):
- La Partage: Zero returns half your even-money stake → effective edge ≈ 1.35%.
- En Prison: Even-money stake is “jailed” on zero; if the next spin wins, your stake returns (no profit), otherwise it’s lost → similar effective edge.

What this means: Same payout ratios, but French even-money bets are the most efficient because the zero hurts less.

Using the Calculator on Mobile (smooth workflow)

Portrait for speed, landscape for precision: Portrait makes quick single bets easy; landscape shows more bet types and results.
Adjust table type first: Probabilities update instantly when you switch European ↔ American ↔ French.
Use stake presets: Fast +/− buttons for common units (€1/€5/€10) avoid typing.
Cache & refresh: If results lag, refresh the tool or clear cache; HTML5 calculators benefit from a clean session.
Low-data mode: Turn off animations on older phones; numbers stay identical.

Why Understanding Payouts Matters (bankroll reality)

Knowing the exact payout and hit chance prevents guesswork. You see, in numbers, how volatile a bet is (e.g., Straight vs Dozen), and you can size stakes accordingly. This supports:

Bankroll planning: Choosing unit size that survives dry spells.
Strategy testing: Comparing expected swings across bet mixes.
Expectation management: A 35:1 payout looks big; a 2.7% hit rate feels different in practice. The calculator keeps both facts side by side.

Responsible Gambling Reminder

Use the calculator as a learning tool, not a prediction engine. It shows payouts and probabilities; it doesn’t change the house edge. Set limits, take breaks, and treat every stake as the price of entertainment. If the numbers don’t fit your budget, the smartest move is to reduce unit size or stop. For support, services like BeGambleAware, GamCare, and Gambling Therapy offer confidential help 24/7.

Frequently asked questions

💬 What is the Roulette Payout Calculator used for?

The Roulette Payout Calculator is a tool that shows how much you can win or lose for any type of roulette bet. You select the wheel (European, American, or French), choose a bet type, enter your stake, and the calculator instantly displays your total payout, net profit, and winning probability. It’s designed to help players understand the math behind every spin — not just rely on luck.

💬 How accurate are the payout results?

Completely accurate. The calculator uses the official payout ratios of real roulette tables — for example, 35:1 for a straight-up bet, 17:1 for a split, and 1:1 for even-money wagers. It also adjusts for the extra “00” pocket on American wheels and applies La Partage rules when you select French roulette, giving you true-to-life results for every version.

💬 Does the calculator work for both inside and outside bets?

Yes. You can calculate payouts for inside bets (Straight, Split, Street, Corner, Six Line) as well as outside bets (Dozens, Columns, Red/Black, Odd/Even, High/Low). The calculator also shows hit probabilities — so you can see, for example, that an inside bet has a higher payout but a much smaller chance of success.

💬 Does the calculator predict future outcomes?

No — it doesn’t predict results or use live spin data. It’s purely mathematical, showing you what each bet would pay if it wins. It’s meant for education, not forecasting. You can use it to plan stakes, compare risk levels, or learn the structure of roulette odds before playing for real money.

💬 Is the Roulette Payout Calculator available on mobile devices?

Yes. The calculator is built with responsive HTML5 design, so it works smoothly on phones, tablets, and desktops. You can use it in portrait mode for quick checks or landscape for full tables. All results are instant — no downloads or registration needed.

💬 Why is my potential payout different on the American wheel?

Because the American wheel has 38 pockets (0 and 00), while European and French versions have only 37. That extra zero lowers the probability of hitting a winning number, slightly reducing your statistical return — which explains the higher house edge.

💬 Can I use the calculator to test roulette strategies?

Indirectly, yes. You can use it to calculate payout ratios for each bet type within a system like Martingale or Fibonacci, but it doesn’t simulate multiple spins or bankroll changes. For that, try the Roulette Strategy Simulator, which shows how betting systems behave over time.

💬 Does the Roulette Calculator give an advantage?

No — the calculator doesn’t change your odds or give you any edge over the casino. Roulette is a game of pure chance, and no external tool can alter that. What the calculator does offer is knowledge: it breaks down payouts, probabilities, and the house edge for every type of bet. By showing you the real numbers behind the wheel, it helps you make smarter, more measured betting decisions — but it never interferes with or influences the outcome of a spin.

💬 Is the Roulette Calculator banned in online casinos?

Not at all. Payout calculators are completely legal and widely used by players for educational purposes. They don’t connect to casino servers, read live data, or manipulate results — they simply use publicly available math to show how roulette works. Online casinos typically only ban software that predicts or manipulates outcomes in real time, which this tool doesn’t do. The Roulette Calculator is safe, transparent, and perfectly acceptable to use anywhere you play.