What is Payout Percentage?

Payout percentage is the proportion of all money wagered on a casino game that the game is programmed to return to players over a long period of time. Also known as Return to Player (RTP), this metric represents a theoretical average calculated across millions or billions of game rounds. For example, a slot machine with a payout percentage of 97% means the game will return an average of £97 for every £100 wagered, with the remaining £3 representing the casino's profit (the house edge).

It's crucial to understand that payout percentage is a long-term statistical average, not a short-term guarantee. Your results in any single gaming session will vary significantly due to luck and variance. The RTP only manifests itself reliably when looking at enormous sample sizes—the kind that casinos and game developers track across thousands of players and millions of spins.

Why Casinos Disclose Payout Percentage

In the United Kingdom, the Gambling Commission requires all licensed casinos and game developers to disclose the payout percentage of their games. This transparency requirement serves several purposes: it builds player trust, ensures fairness, and allows players to make informed decisions about which games to play. When you see an RTP figure listed for a game, it has been independently verified by testing laboratories and approved by regulatory bodies.

Examples of Payout Percentages Across Game Types

Payout percentages vary significantly depending on the game type and jurisdiction:

• Online Slot Machines: Typically 94–98% (with 96%+ considered good)
• Land Casino Slots: Usually 91–93% (lower than online due to operational costs)
• Blackjack: 98.5–99.5% RTP (0.5–1.5% house edge)
• European Roulette: 97.3% RTP (2.7% house edge)
• American Roulette: 94.74% RTP (5.26% house edge)
• Craps: 98.6% RTP (1.4% house edge, varies by bet type)
• Baccarat: 98.06% RTP (1.06–1.24% house edge)

These figures demonstrate why online slots often appeal to players seeking better odds than land casinos, and why table games like blackjack offer some of the best payback percentages in the casino.

How Does Payout Percentage Relate to House Edge?

The Mathematical Relationship

Payout percentage and house edge are inverse reflections of each other—two sides of the same coin. They always add up to exactly 100%. The mathematical relationship is simple:

100% − RTP (Payout Percentage) = House Edge

100% − House Edge = RTP (Payout Percentage)

This means that a game with a 96% payout percentage has a 4% house edge. A game with a 98.5% RTP has a 1.5% house edge. The higher the payout percentage, the lower the house edge—and the better the odds are for the player over time.

Why Both Metrics Matter

Understanding both RTP and house edge gives you a complete picture of a game's financial structure:

• Payout Percentage (RTP) speaks to the player: "This game will return this much to players on average."
• House Edge speaks to the casino: "This game will retain this much as profit on average."

When selecting games, comparing RTPs helps you identify which games offer the best long-term value. A player choosing between two slots—one with 94% RTP and one with 97% RTP—should understand that the 97% game will, over extended play, return more money to them. The difference of 3 percentage points compounds significantly across hundreds or thousands of spins.

Common Misconceptions About RTP and House Edge

Misconception 1: "If a game has a 4% house edge, I'll lose 4% of every bet."

This is incorrect. The house edge is an average across millions of plays. In your personal session, you might lose more, less, or even win money. The 4% represents the casino's statistical advantage over an enormous sample size, not a guaranteed loss per bet.

Misconception 2: "High RTP means I'm guaranteed to win."

False. RTP is a theoretical average. You can play a 98% RTP slot and lose money in a session, or play a 92% RTP slot and win big. Luck and variance dominate short-term results.

Misconception 3: "Payout percentage is a refund promise."

No. RTP is not a guarantee or refund mechanism. The UK Gambling Commission is clear: RTP is a statistical measure based on long-term play, not a promise of returns.

How is Payout Percentage Calculated?

The Mathematical Foundation

Payout percentage is determined through sophisticated mathematical modelling and extensive testing. Game developers simulate millions—sometimes billions—of game rounds to calculate the exact RTP. This process accounts for:

• All possible symbol combinations on the reels
• Every bonus feature and free spin round
• The complete paytable structure (what each combination pays)
• Bet variations (if applicable)
• Progressive jackpot contributions (if applicable)

For example, a slot game developer might simulate 10 billion spins of their game to determine that, on average, the game pays out £96.50 for every £100 wagered. That becomes the game's 96.5% RTP.

The calculation is deterministic—meaning it's based on pure mathematics and probability, not on random outcomes. Once the RTP is set during game design, it's fixed. The randomness of individual spins creates the natural variance around that theoretical average.

Who Calculates and Verifies RTP?

Game developers (like Microgaming, Playtech, or NetEnt) calculate the initial RTP for their games during the design and development phase. However, these figures don't go directly to players. Instead:

1. Independent Testing Laboratories (such as GLI, eCOGRA, or TST) verify the RTP calculations
2. Regulatory bodies (like the UK Gambling Commission) review and approve the figures
3. Licensed casinos are required to display the verified RTP to players

This three-layer verification system ensures that the RTP figures you see are accurate and not manipulated by either the game developer or the casino operator.

Can Payout Percentage Be Changed?

No, once a game is released with a specific RTP, that percentage cannot be changed mid-play or adjusted dynamically. The RTP is baked into the game's code and mathematics.

However, there's an important nuance: the same game can exist at multiple RTPs. For example, the popular slot "Phantom of the Opera" exists in eight different RTP configurations: 85%, 87.5%, 90%, 92%, 94%, 95%, 97.4%, and 98%. When a casino licenses this game, they choose which RTP version to offer. Some casinos prefer looser (higher RTP) machines to attract players, while others prefer tighter (lower RTP) machines to maximise profit. But once a casino selects a specific RTP version, that version remains fixed.

What is a Good Payout Percentage?

Industry Standards and Benchmarks

The definition of a "good" payout percentage varies by game type, but here are the industry standards:

For online slots, 96% RTP or higher is considered the baseline for a reputable casino. Games below 94% are less common in licensed online casinos because players have many alternatives with better odds.

For table games, the standards are different. Blackjack with a 0.5–1% house edge (98.5–99.5% RTP) is excellent. Roulette's 2.7% house edge (97.3% RTP) for European wheels is acceptable, while American roulette's 5.26% house edge is considerably worse for players.

Comparing Payout Percentages Across Games

Online Slots vs. Land Casino Slots

Online slots typically offer higher RTPs (94–98%) than land-based casino slots (91–93%). This is because online casinos have lower operational costs and can afford to offer better payback percentages. If you have a choice, online slots are generally the better option for your odds.

Slots vs. Table Games

Interestingly, table games often offer better RTPs than slots:

• Blackjack: 98.5–99.5% RTP
• Craps: 98.6% RTP
• Baccarat: 98.06% RTP

However, table games require skill and strategy to achieve these RTPs. Casual play without optimal strategy will result in worse odds. Slots, by contrast, have the same odds regardless of how you play.

Licensed Games vs. Unlicensed Games

Always choose licensed, regulated games. Unlicensed games in unregulated jurisdictions may claim high RTPs but have no independent verification. Licensed games are verified by testing labs and approved by regulators, ensuring the RTP is genuine.

The Relationship Between Payout Percentage, Volatility, and Game Feel

Understanding Volatility (Variance)

While payout percentage tells you how much a game pays back, volatility tells you how it pays back. Volatility (also called variance) describes the risk level and frequency of payouts in a game.

• Low Volatility: Frequent small wins. The game pays out regularly, but the wins are modest. Your bankroll stays relatively stable, but big wins are rare.
• Medium Volatility: Balanced mix of win frequency and payout size. A good middle ground for most players.
• High Volatility: Infrequent wins, but potentially large payouts. Long dry spells are common, but when you do win, it can be substantial.

Volatility is independent of RTP. Two games can have identical 96% RTPs but feel completely different due to different volatility levels.

High RTP with High Volatility vs. Low RTP with Low Volatility

This is where many players get confused. Consider two hypothetical slots:

Game A: 97% RTP, High Volatility

• You might spin 50 times without a win
• When you do win, it's often a substantial amount
• Your bankroll fluctuates dramatically
• Over millions of spins, it returns 97% of wagered money

Game B: 95% RTP, Low Volatility

• You win on nearly every fifth spin
• Wins are small but consistent
• Your bankroll stays relatively stable
• Over millions of spins, it returns 95% of wagered money

Which is better? It depends on your preferences and bankroll. Game A offers better long-term odds but requires patience and a larger bankroll to handle losing streaks. Game B offers more frequent wins and is better for players with smaller bankrolls or those who enjoy regular payouts.

Choosing Based on RTP and Volatility

When selecting a game, consider both factors:

1. If you have a small bankroll: Choose lower volatility games to avoid rapid depletion during dry spells.
2. If you want extended play sessions: Choose higher RTP games (96%+) to minimise losses over time.
3. If you're chasing big wins: High volatility games offer better chances at substantial payouts, though they're riskier.
4. If you prefer steady entertainment: Low volatility games provide more frequent wins and a smoother experience.

The best approach is to match the game's volatility to your risk tolerance and available bankroll.

How to Use Payout Percentage in Your Gaming Strategy

Using RTP to Select Games

Before playing any casino game, check its RTP. Most licensed casinos display this information in the game's help menu or on the game information page. When comparing games:

1. Prioritise higher RTP games (96%+ for slots, 98%+ for table games)
2. Consider volatility in relation to your bankroll
3. Factor in game features (bonuses, free spins, progressive jackpots) that might appeal to you
4. Check multiple casinos as the same game might be offered at different RTPs

This simple habit—choosing higher RTP games—can meaningfully reduce your expected losses over time.

Setting Realistic Expectations

The most important thing you can do is set realistic expectations about RTP:

• RTP applies over enormous sample sizes. A 96% RTP might not manifest in a 100-spin session. You need thousands of spins for the average to approach the theoretical RTP.
• Short-term variance is normal. It's perfectly normal to lose money on a high RTP game or win money on a low RTP game in a single session.
• Don't expect to "break even" based on RTP. RTP is not a refund mechanism. It's a statistical measure for the casino's long-term profitability.
• Treat all gambling as entertainment expense. Set a budget you can afford to lose, and stick to it.

RTP as One Factor Among Many

While RTP is important, it's not the only factor in game selection. Consider:

• Game theme and design: You'll enjoy a game more if you like the theme
• Bonus features: Free spins, multipliers, and bonus rounds add excitement and value
• Volatility: Matches your risk tolerance and bankroll
• Personal preference: Sometimes the "best" game is simply the one you enjoy most
• Responsible gambling practices: Set limits, take breaks, and never chase losses

A 96% RTP game is worthless if you don't enjoy playing it. Balance mathematical optimisation with entertainment value.

Common Misconceptions About Payout Percentage

"If a game has a high RTP, I'll win more money"

This is a fundamental misunderstanding. A high RTP means the game returns more money to players on average, but it doesn't mean you personally will win. You could play a 98% RTP game and lose money. You could play a 92% RTP game and win big. Short-term luck dominates; RTP is a long-term average.

"Slots get tighter after paying a jackpot"

This is a persistent myth, but it's false. Modern slot machines use Random Number Generators (RNGs) to determine outcomes. Every spin is completely independent and random. If a slot just paid a £10,000 jackpot, the very next spin has the same odds of winning as any other spin. The RTP is built into the game's mathematics; it's not adjusted dynamically based on recent payouts.

"Casinos place higher-RTP machines in certain areas"

Another myth. Independent research by the Wizard of Odds and confirmation from casino technicians have shown that casinos either place all machines at the same RTP or place them randomly. There's no evidence that higher-paying machines are clustered at the ends of aisles or near the entrance. This myth originated from a book published over 30 years ago and has been thoroughly debunked.

"Payout percentage is a guarantee"

Regulatory bodies like the UK Gambling Commission explicitly state that RTP is not a guarantee, refund promise, or cash-back system. It's a statistical measure of long-term behaviour. You are not entitled to any return based on RTP, and no casino will refund you if you lose money on a high RTP game.

"I can calculate my expected loss based on house edge"

While house edge does represent the casino's statistical advantage, this doesn't mean you'll lose exactly that percentage. Variance means your actual results could be much better or worse. A 4% house edge doesn't mean you'll lose 4% of every bet; it means that over millions of plays, the casino expects to retain 4% of total wagered money.

Payout Percentage Across Different Casino Games

Slot Machine Payout Percentages

Slot machines are the most common casino game, and their RTPs vary widely:

• Online slots: 94–98% RTP (96%+ is standard for licensed casinos)
• Land casino slots: 91–93% RTP
• Progressive jackpot slots: Often slightly lower RTP due to jackpot contribution
• Branded slots: 92–96% RTP (licensed from films, TV shows, etc.)

The variation depends on the jurisdiction, the casino operator, and the specific game. UK-licensed online casinos typically offer better RTPs than land casinos due to lower operational costs.

Table Game Payout Percentages

Table games are often overlooked, but they frequently offer better odds than slots:

Blackjack

• Standard rules: 99.5% RTP (0.5% house edge)
• With optimal basic strategy: 99.5% RTP
• With poor strategy: 98–99% RTP
• Blackjack pays 3:2: 99.5% RTP
• Blackjack pays 6:5: 98.5% RTP (worse for players)

Roulette

• European roulette (single zero): 97.3% RTP (2.7% house edge)
• American roulette (double zero): 94.74% RTP (5.26% house edge)

Craps

• Pass/Don't Pass: 98.6% RTP (1.4% house edge)
• Come/Don't Come: 98.6% RTP
• Field bets: 94.4% RTP (5.6% house edge)
• Proposition bets: 85–90% RTP (10–15% house edge)

Baccarat

• Banker bet: 98.94% RTP (1.06% house edge)
• Player bet: 98.76% RTP (1.24% house edge)
• Tie bet: 85.6% RTP (14.4% house edge)

Live Dealer Game Payout Percentages

Live dealer games (where a real dealer is streamed to your device) offer similar RTPs to their online counterparts:

• Live blackjack: 99.5% RTP
• Live roulette: 97.3% RTP (European)
• Live baccarat: 98.06–98.94% RTP
• Live poker: Variable (depends on rake structure)

Live dealer games may have slightly higher house edges than online versions due to the cost of operating live studios, but the difference is minimal in licensed casinos.

Regulatory and Transparency Requirements for Payout Percentage

UK Gambling Commission Requirements

In the United Kingdom, the Gambling Commission (the official regulator) requires all licensed operators to:

1. Display RTP prominently in game information sections
2. Ensure independent verification of all RTP figures
3. Update RTP information if games are modified
4. Maintain records of all RTP figures for audit purposes
5. Clearly communicate that RTP is a long-term average, not a guarantee

These requirements protect players by ensuring transparency and preventing misleading claims. If a casino doesn't display RTP information, it's likely unlicensed and operating illegally.

How to Find RTP Information

Finding a game's RTP is straightforward:

1. In-game menu: Most games have a help, information, or paytable button. RTP is usually listed here.
2. Casino website: Licensed casinos often list RTPs for all their games in a searchable database.
3. Game provider website: Developers like Microgaming and Playtech publish RTP information for all their games.
4. Third-party review sites: Casino review and comparison sites often list RTPs for popular games.

Always verify RTP from official sources. Unlicensed casinos may display fake RTPs, so stick to licensed operators regulated by the UK Gambling Commission or other reputable authorities.

Frequently Asked Questions

What is the difference between payout percentage and RTP?

Payout percentage and RTP (Return to Player) are the same thing. "Payout percentage" is the more general term, while "RTP" is the industry-standard abbreviation. Both refer to the percentage of wagered money a game returns to players over time.

Is a 96% payout percentage good?

Yes, 96% is considered a good payout percentage for online slots. It means the game returns £96 for every £100 wagered on average. For table games, standards are different—blackjack with 98.5%+ RTP is excellent, while roulette with 97.3% RTP (European) is acceptable.

Can I use payout percentage to predict my winnings?

No. Payout percentage is a long-term statistical average based on millions of plays. It cannot predict your personal results in any given session. Short-term variance and luck dominate. You might win or lose regardless of a game's RTP.

Why do some games have lower payout percentages?

Lower payout percentages mean higher house edges, which benefit the casino. Casinos offer games at various RTPs to cater to different player preferences and to maximise profit. Some players prefer the excitement of higher-risk games with lower RTPs, while others prefer the better odds of higher RTP games.

Is payout percentage the same in all casinos?

No. The same game might be offered at different RTPs by different casinos. For example, a casino might offer a slot at 94% RTP while another offers it at 97% RTP. Always check the specific RTP for the game at the casino where you're playing.

How often should I check a game's RTP?

Check the RTP before you start playing any new game. Established games maintain the same RTP indefinitely (unless the game is updated). You don't need to check repeatedly, but it's good practice to verify RTP whenever you switch games or try a new casino.

Does volatility affect the payout percentage?

No. Volatility and payout percentage are independent. A high volatility game can have a high RTP, and a low volatility game can have a low RTP. Volatility describes how the game pays out (frequency and size), while RTP describes how much it pays out in total.

What's the best payout percentage for slots?

There's no single "best" RTP—it depends on your preferences. For maximum long-term value, choose 96%+ RTP. For more frequent wins, choose lower volatility games (which may have slightly lower RTPs but pay out more often). Balance RTP with volatility and personal preference.

Can a casino change a game's payout percentage?

No, once a game is released with a specific RTP, that percentage cannot be changed. However, casinos can choose which RTP version of a game to offer (some games are available at multiple RTPs). Once selected, that RTP remains fixed.

Is a 92% payout percentage bad?

A 92% RTP is below average but not necessarily "bad." It's common in land-based casinos and some online games. However, since many online slots offer 96%+ RTP, a 92% game is less competitive. For extended play, higher RTP is preferable, but occasional play on a 92% game is fine if you enjoy the game.

Related Terms

• RTP — Return to Player; another name for payout percentage
• House edge — The casino's statistical advantage; the inverse of RTP
• Slot — A casino game featuring spinning reels and random outcomes