Betting Odds Converter
Convert betting odds between American (moneyline), decimal, fractional and implied probability with a single input. Sportsbooks around the world quote the same wager in different formats: American odds like +150 or -200 in the US, decimal odds like 2.50 in Europe and Australia, and fractional odds like 3/2 in the UK and Ireland. This converter takes any one of those formats and shows you the other three plus the break even win probability, so you can compare prices across books and spot the better line. Type a value, pick which format you entered, and every equivalent updates as you go. All math runs locally in your browser, so nothing you enter is ever sent to a server.
How to use Betting Odds Converter
- Enter a value in any one of the four odds fields.
- Read the equivalent value in the other three formats.
- Note the implied probability for a quick sense of the price.
Frequently asked questions
Which odds formats does it convert between?
It converts American moneyline, decimal, fractional and implied probability, and changing any one updates the other three so all four stay consistent.
How do American and decimal odds relate?
Positive American odds divided by 100 plus 1 gives the decimal, so +150 equals 2.50; the tool handles both positive and negative American values.
What does the implied probability field show?
It shows the break-even win probability the price implies, which is 1 divided by the decimal odds, expressed as a percentage.
What is Betting Odds Converter?
Convert betting odds between American (moneyline), decimal, fractional and implied probability with a single input. Sportsbooks around the world quote the same wager in different formats: American odds like +150 or -200 in the US, decimal odds like 2.
Is Betting Odds Converter free to use?
Yes. Betting Odds Converter is completely free, with no sign-up and no usage limits.
Does Betting Odds Converter work in a web browser?
Yes. Betting Odds Converter runs in any modern web browser. There is nothing to download or install.
Is my data private with Betting Odds Converter?
Yes. Betting Odds Converter runs entirely on your device in your browser, so nothing you enter is uploaded to a server.
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