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Michigan's Digital Gambling Boom: How Online Betting

Michigan's gambling landscape has seen a seismic shift in recent years, with the launch of a robust online betting market in January 2021. As of August 2026, Michigan boasted 25 legal online casinos, contributing a staggering $12.56 billion to the state's economy.

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Our Casinos desk keeps this page for readers who want the reasoning and not just the verdict. The order of the sections follows the order of the decisions you actually have to make, so you can stop reading at the point where your own question is answered. Where the honest answer is that it depends, the page says so and then says what it depends on.

The ladder, by the arithmetic

Every five-card hand from a 52-card deck, counted rather than remembered. There are 2,598,960 distinct hands in all.

Five-card hands dealt from a full deck
HandWaysChanceRoughly
Royal flush40.00015%about 1 in 649,740
Straight flush360.00139%about 1 in 72,193
Four of a kind6240.02401%about 1 in 4,165
Full house3,7440.14406%about 1 in 694
Flush5,1080.19654%about 1 in 509
Straight10,2000.39246%about 1 in 255
Three of a kind54,9122.11285%about 1 in 47
Two pair123,5524.75390%about 1 in 21
One pair1,098,24042.25690%about 1 in 2
No pair (high card)1,302,54050.11774%about 1 in 2

Counted in this page's build script by combinatorics; values cross-checked against wizardofodds.com.

Reading a price the same number in four notations

One price, four ways of writing it

Decimal, fractional and American notation describe the same price; the last column is what that price implies about the chance, before the book's margin is taken out. Compare the implied chance with your own estimate, not with another book's.

The same price in four notations
DecimalFractionalAmericanImplied chance
1.501/2-20066.7%
1.9191/100-11052.4%
2.001/1+10050.0%
2.503/2+15040.0%
3.002/1+20033.3%
5.004/1+40020.0%
10.009/1+90010.0%

Converted in this page's build script: implied chance is one divided by the decimal price.

21+ We judge operators on published terms, payout records and the regulator named on the site itself — never on the size of a bonus headline. Some outbound links on this site are paid placements, and that never changes what we write. Online gambling is legal only in some US states; check your own before you deposit. Free and confidential help: National Problem Gambling Helpline, 1-800-MY-RESET.