BETTING ODDS CONVERTER

Convert American, decimal & fractional odds — calculate implied probability & payout
Enter Odds (any format)
American
Decimal
Fractional
Bet Amount ($)
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American
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Decimal
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Fractional
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Implied Prob.
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Total Payout
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Profit
QUICK REFERENCE
AmericanDecimalFractionalImplied Prob.$100 Profit

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FREQUENTLY ASKED QUESTIONS

How do I convert betting odds?
This tool converts between American (moneyline), decimal, and fractional odds, and shows the implied probability for each format.
What does +200 mean in betting?
American odds of +200 mean a $100 bet wins $200 profit. The implied probability is 33.3%.
What is implied probability?
Implied probability is the chance of an outcome suggested by the odds. For decimal odds it is 1 ÷ decimal odds, expressed as a percentage.