Roulette Odds & Bet Types

European single-zero roulette (37 pockets: 0–36). All bet types, payouts, and house edge. Every bet carries the same 2.70% house edge — except with La Partage/En Prison rules (1.35%).

Inside Bets

Bet Coverage Payout House Edge
Straight Up 1 number 35:1 2.70%
Split 2 numbers 17:1 2.70%
Street 3 numbers 11:1 2.70%
Corner 4 numbers 8:1 2.70%
Six Line 6 numbers 5:1 2.70%

Outside Bets

Bet Coverage Payout House Edge
Column 12 numbers 2:1 2.70%
Dozen 12 numbers 2:1 2.70%
Red / Black 18 numbers 1:1 2.70%
Even / Odd 18 numbers 1:1 2.70%
Low / High 18 numbers 1:1 2.70%

French Rules

Bet Coverage Payout House Edge
La Partage 18 numbers ½ returned 1.35%
En Prison 18 numbers Bet held 1.35%

Key Facts

  • • European roulette has one zero (0) — house edge 2.70%. American roulette adds a double zero (00), raising the edge to 5.26%. Always choose European.
  • • All standard bets share the exact same 2.70% house edge — higher payouts come with lower win probability, but expected value is identical.
  • • La Partage and En Prison are French-rule variants that halve the edge on even-money bets to 1.35% — the best roulette rules available.
  • • A straight-up bet on 1 number has a 1/37 ≈ 2.7% chance of winning, paying 35:1 (true odds would be 36:1 — the gap is the house edge).
  • • There is no bet that beats the house edge over time — strategy is about minimising the edge, not eliminating it.
Spin the Wheel → Roulette Strategy Guide

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