Statistics

Roulette Payout Calculator

Find the payout and win chance for a roulette bet.

Calculated Output

Profit if win 350

Win chance (European) (%) 2.703

Formula: profit = bet × ratio; win chance per European wheel

Step-by-Step Breakdown

1. Values used:

2. Bet amount = 10

4. Profit if win = 350

5. Win chance (European) = 2.703%

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The math behind it

Profit = bet × payout ratio. On a 37-pocket European wheel, win chance = numbers covered ÷ 37.

$10 straight-up win → $350 profit (2.7% chance).

Why does the house win long-term?

Payouts assume 36 outcomes, but the wheel has 37 (or 38), giving the house edge.