How to Calculate a Roulette Wheel
Learn how to calculate roulette wheel odds, payouts, and the house edge using the wheel's fixed geometry and simple arithmetic.
930
Roulette Payouts: The Math Behind Each Bet
Learn how roulette payouts are calculated from the wheel's layout, why the house edge differs between wheel types, and how to read the numbers on any payout table.
1350
How Stacked Roulette Bets Are Calculated
Learn how a roulette table calculates the total money placed on the layout when chips are stacked, split, or spread across multiple bets, and why the final figure depends on the chip value and the bet's position.
1710
How a Slot Machine's Payout Percentage Is Calculated
Slot payouts are not calculated per spin but as a long-run statistical average. Learn how RTP, house edge, volatility and wagering requirements shape what a payout calculation can and cannot tell you.
1470
How to Calculate Roulette Odds and Expected Loss
Learn the arithmetic behind roulette bets: how to read the wheel, calculate the probability of any wager, and work out the expected loss on a session using only the numbers posted on the layout.
1100
Calculating Roulette Probability, Step by Step
Learn how to work out the probability of any roulette bet from the wheel layout, and why the zero pocket changes the odds for every wager.
1170
The Math Behind Slot Machine Payout Percentages
Payout percentage is a long-run statistical average built into a game's design, not a per-session promise. Learn how it is calculated, where the number comes from, and why short sessions rarely match it.
1820
How Roulette Payouts Are Calculated
Roulette payouts follow fixed odds tied to the wheel layout, but the house edge is built into every bet. Learn how to read the payout table and work out what a win returns.
1450
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