How to Calculate Red Door Roulette Payouts

An ordinary straight-up win at 19:1 pays 19 units of profit plus your stake back: 20 units gross per unit wagered. Other standard bets have fixed payout odds. A bonus changes the return only for a qualifying winning straight-up bet on the exact keyed number, so not every single-number hit pays exactly 20×.

This guide covers the documented single-zero version with numbers 0–36. Its payout range, maximum and caps are tied to the sources cited below, not every regional Red Door Roulette variant. For placing bets and following the game, see the Red Door Roulette gameplay guide.

Red Door Roulette payout table

An ordinary straight-up win returns 20 units gross, a split returns 18, and an even-money win returns 2 for each unit wagered. Only a qualifying straight-up bet can receive the bonus range shown below.

The table follows the Evolution provider factsheet, pages 5–6. Profit odds exclude the returned stake; gross returns include it.

Zero loses all outside bets in the last two rows. A split, street, corner or line does not qualify for the bonus merely because it covers a keyed winning number.

This chart compares payout ratios, not hit probability, bonus frequency or expected value. The first bar is the maximum bonus profit ratio of 3999:1 in this cited single-zero version—not a typical payout. The remaining bars are ordinary fixed profit odds. The logarithmic scale makes the different sizes readable.

Calculating gross returns and the net round result

Add the gross returns from every winning position, then subtract all stakes placed in the round. Do not add a position’s profit to its gross return: that counts part of the payout twice.

For an ordinary winning bet with profit odds a:1:

• Gross return = stake × (a + 1)
• Single-position profit = stake × a
• Net round result = sum of credited returns − total stakes

A losing position returns zero, but its stake still counts toward the round’s total expenditure.

A four-position worked example

An ordinary result of 7 produces 142 units gross and a net round result of +128 for the four positions below. This is our independently calculated example, not an observed casino wager.

We stake 3 on straight-up 7, 2 on straight-up 8, 4 on the 7–8 split and 5 on red: 14 units in total. Number 7 is red, number 8 is black, and 7–8 is a valid adjacent split. Assume no bonus enhancement. All amounts are exact whole units, so no rounding is needed.

For 7, the calculation is 60 + 0 + 72 + 10 = 142 gross, followed by 142 − 14 = 128 net. The losing 2-unit bet on 8 is included in those 14 units.

For 8, it is 0 + 40 + 72 + 0 = 112 gross, then 112 − 14 = 98 net. Both the losing straight-up bet on 7 and the losing red bet remain part of the total stakes.

For zero, all four positions lose: 0 − 14 = −14 net.

Overlapping bets can produce several returns on one result, but a winning position alone does not guarantee a positive whole-round result. That depends on the returns compared with every stake placed.

How the bonus changes settlement

The bonus replaces the ordinary return on the qualifying winning straight-up bet; other winning positions still pay their standard odds. Qualification requires a straight-up chip on the exact winning number carrying a key.

The current Evolution description specifies 3–15 distinct keyed numbers, key multipliers of 2–20, and the Double feature. In the documented version, the bonus wheel has 64 segments and one flapper, as confirmed on page 5 of the provider’s factsheet. The key multiplier scales the wheel values; Double doubles those values and triggers another spin. Neither action requires a new wager.

An intermediate wheel or key value is not automatically the final gross return multiple. Nor does a range of 3–15 keys establish an average of 9 or a bonus-entry frequency.

An illustrative final gross multiplier of 80

If we explicitly define the final gross return multiple as G = 80 for the winning 3-unit straight-up bet on 7, that position returns 240 units gross. The entire example round returns 322 gross and +308 net.

This is an assumed illustration—not an observed result, a minimum, a typical payout or a mean bonus. Using the same four positions:

The 240 replaces the ordinary 60; it is not added to it. Other winning returns total 72 + 10 = 82.

In the provider factsheet, the maximum final gross multiple of 4000 corresponds to 3999:1 profit odds. Once a final gross multiple includes the bonus layers, do not multiply it by 19, 35 or the key again.

Why the regional version matters

The maximum in this guide does not apply automatically to every Red Door Roulette client. Pennsylvania §617b.11, effective from 19 July 2025 to 19 July 2028, defines a different variant with straight-up profit odds of 19–15999:1.

That is a legal variant definition, not confirmation that a particular operator offers it. It does not justify transferring other wheel mechanics into the single-zero version here or deriving bonus probabilities.

How to apply a payout cap

When the rules impose a gross payout cap for the completed game round, compare the cap with all returns including stakes, not just the bonus profit.

The Loto-Québec rules dated 18 April 2024 state a $500000 cap per game round, including the stake. The provider factsheet instead specifies EUR 500000. These are document-specific currency conditions, not interchangeable universal current limits.

Under an explicitly defined gross round cap:

• C = payout cap
• s = winning straight-up stake
• G = final gross return multiple
• R = other winning gross returns
• T = all stakes in the round

The calculation is:

Total gross return = min(C, s × G + R)

Net round result = total gross return − T

Examples with a 500000-unit cap

With G = 4000 and no other winning returns, a stake of 125 reaches the 500000-unit cap exactly: nothing is reduced. Other winning positions can make the same straight-up stake exceed the cap.

Assume all amounts use the same unit and the stated gross round cap applies. These are exact calculations, not recommendations to increase stakes.

In the last row, R = 18 pushes the uncapped return 18 units over the cap. The 125-unit threshold therefore applies only when R = 0.

A payout cap is not a bet limit or a bonus multiplier. The cited version’s maximum final multiple of 4000 already includes its bonus layers.

Before settling a calculation, check your client’s Help, Paytable, Bet Limits and round history. If the amounts disagree, save the round identifier, stakes, final multiplier, credited returns, current rules and limit settings. Give support those records and your arithmetic; a discrepancy alone does not establish its cause.

Using the inline calculator for an ordinary bet

Use the inline calculator to check the base profit on one ordinary position, not to settle a full multi-bet round or an actual bonus. It has no input for an exact final gross multiplier or your complete layout.

Before using it, note that its 5× and 30× bonus cards are assumed illustrations. They are not validated minimums, typical payouts, averages, frequencies or predictions. Its fixed 500000 cap is not evidence of your client’s current currency or cap. The component’s “Outcome Distribution” wording does not make it a complete game model or a verified RTP calculation.

To reproduce the supported base example:

1. Select “Split”, shown with 17:1.
2. Enter 10 in “STAKE ($)”.
3. The “KEY MULTIPLIER (straight-up only)” selector is disabled for a split; no bonus applies.
4. Read the results. They update automatically—there is no calculate button.

Local English calculator screenshot with Split 17:1 selected and a stake of 10

Local educational ToolsGambling screenshot showing bet selection and stake input—not a production casino wager.

The component displays +$170 profit, a −$10 loss, and a 5.41% model hit probability. It does not display the 180-unit gross return. Derive that separately: 170 profit + 10 returned stake = 180 gross.

Local English split results showing 170 profit, a 10 loss and a 5.41 percent model hit probability

Local educational results for one ordinary position. The 180-unit gross return is calculated in the text, not shown by the component.

The 5.41% figure is 2/37, rounded to two decimal places under a fair, equally likely 37-pocket model. It is not measured casino frequency. A single number has model hit probability 1/37, but that is not bonus-entry frequency: the qualifying key condition must also be met.

A split is an inside bet. The component’s note listing it alongside outside bets does not change that classification. Check actual bonus credits and overlapping positions manually against round history and the applicable rules.

Why theoretical RTP is not the payout on a win

Theoretical RTP describes the model’s long-run relationship between returns and turnover, not your next payout or the probability of a hit. Maximum multipliers and key ranges cannot reconstruct full RTP without the outcome weights.

The provider factsheet, pages 5–6 publishes 97.09% for straight-up bets and 97.30% for other bets. The historical Loto-Québec rules dated 18 April 2024 also give 96.50% for their described straight-up cap case. That note belongs to this dated document; it is not a universal RTP curve for every stake and client.

The calculation 20/37 = 54.054…%, rounded to 54.05%, describes only a counterfactual model that pays 20 gross on every single-number hit with no enhancements at all. It is not full-game RTP, the frequency of no-key events or “RTP per win.”

For the longer-run explanation, see the Red Door Roulette RTP and house edge guide.

Repeating the expected-loss calculation

At an assumed theoretical RTP of 97.09%, a stake of 10 over 100 spins gives turnover of 1000 units, expected loss of 29.10 units and a house edge of 2.91%. This is a calculation from supplied parameters, not a session prediction.

Open the prepared RTP calculator scenario to restore the exact 97.09% value. That input comes from the historical source, not a current measurement or automatic provider lookup.

1. Verify that the displayed RTP is 97.09%.
2. Do not move the RTP slider if you want to retain that precise value. Its step is 0.1 percentage points; there is no editable precise RTP number field.
3. Check or set the stake to 10.
4. Choose “By Spins” and check or set 100 spins.
5. Read the automatically updated results.

Local English RTP calculator inputs showing 97.09 percent, stake 10 and 100 spins

Local educational screenshot of the prepared scenario. The link restores 97.09%; it is not typed into a separate numerical RTP field.

The arithmetic is 10 × 100 = 1000 turnover and 100% − 97.09% = 2.91% house edge. Expected loss is therefore 29.10 units, displayed to two decimal places. Actual results can be very different.

Local English RTP results showing turnover 1000, expected loss 29.10 and house edge 2.91 percent

Local educational ToolsGambling results, not casino betting history. Currency symbols belong to the interface; the arithmetic can be read in neutral units.

The generic “Slot RTP” label does not classify Red Door Roulette as a slot. The “GOOD” badge is not certification, a safety guarantee or evidence of positive expected value. A coarse house-edge display of 2.9% beside the slider and a result card showing 2.91% reflect different display precision for the same calculation.

What to check when a payout seems wrong

Start with the applicable version and whole-round arithmetic: profit odds, gross returns and net results are different quantities and should not be compared directly.

• Confirm whether the winning number was ordinary or keyed.
• Check that the bonus belonged to a winning straight-up bet, not a split or another position.
• Separate intermediate multiplier values from the final gross multiple.
• Do not add the ordinary return to an already final bonus credit.
• Add every winning return, then subtract every stake, including losing ones.
• Check the currency, completed-round payout cap and current bet limits.
• If the discrepancy remains, preserve the history and ask support about the specific amounts.

18+. Roulette carries a risk of losing the entire amount wagered. Paytables and calculators can help check arithmetic; they do not provide guaranteed earnings.