A roulette wheel is typically about 28 inches in diameter.
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How Big Is a Professional Roulette Wheel?
A professional roulette wheel is typically much larger than a standard gaming roulette wheel, with more numbers and a different layout. The size and layout of a professional roulette wheel can vary depending on the casino or gambling establishment where it is used, but they are typically around 36 inches in diameter and have anywhere from 96 to 100 numbers.
