Odds Converter
Convert American, decimal, fractional, and implied probability odds in real time with a free betting odds converter.
Convert Odds Instantly
How the Odds Converter Works
Enter odds in one format and the converter instantly calculates all other formats. Use it to compare sportsbook lines, estimate implied win probability, and check whether a price is worth betting.
Supported Betting Odds Formats
This converter supports American (moneyline), decimal, fractional, and implied probability formats. You can switch formats at any time and keep all values synchronized automatically.
Popular Odds Conversion Table
| American | Decimal | Fractional | Implied % |
|---|---|---|---|
| -200 | 1.50 | 1/2 | 66.67% |
| -110 | 1.91 | 10/11 | 52.38% |
| +100 | 2.00 | 1/1 | 50.00% |
| +150 | 2.50 | 3/2 | 40.00% |
| +200 | 3.00 | 2/1 | 33.33% |
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Odds Converter FAQs
How do you convert American odds to decimal odds?
For positive American odds, divide by 100 and add 1. For negative American odds, divide 100 by the absolute value and add 1. This converter does the math automatically.
What is implied probability in betting?
Implied probability is the percentage chance represented by betting odds. Lower decimal odds imply a higher probability, while higher odds imply a lower probability.
Can I convert fractional odds to American odds?
Yes. Enter fractional odds in the tool and it instantly converts to American, decimal, and implied probability formats.