Betting Odds Calculator
The betting odds calculator allows you to input your stake & odds in American, Decimal or Fractional formats to quickly calculate the payout for your bets.
Betting Odds Calculator and Converter
What are betting odds?
Betting odds are the chance that a particular event will have a particular result. For example, if the Patriots are playing the Jets, betting sportsbooks will put “odds” on either the Jets winning or the Patriots winning, depending on how likely each outcome is.
A simple analogy: If you were betting on a coin flip, your odds would be 50% tails, 50% heads.
In sports betting, you’ll often see odds given in a few different ways, including:
- American Odds
- Decimal Odds
- Fractional Odds
What are American Odds in sports betting?
American odds are usually what you will see from American sportsbooks. They are based on what it would take to win $100 for a bet, though you can bet more or less than $100.
You’ll see odds listed with a plus (+) symbol in front, or with a minus (-) symbol.
- What does the plus (+) symboled mean in American Odds sports betting? This means the team — or event outcome — is the underdog. The number shown represents how much money you would win for every $100 bet. So if the bet is +200 and you won, the payout would be $300 for a profit of $200.
- What does the minus (-) symboled mean in American Odds sports betting? This means the team — or event outcome — is the favorite. The number shown represents how much you need to risk in order to win $100. So if the bet is -100 and you won, the payout would be $200 for a profit of $100.
What are Fractional Odds in sports betting?
In the United Kingdom (UK) and surrounding areas, fractional odds are used by sportsbooks to set the lines. Fractional odds show the number by which your bet would be multiplied if you were to win.
For example, if you bet $10 at 7/2 odds, first you would divide 7 by 2 (3.5), and then multiply that number by your bet (3.5 times 10 is 35) to see your potential profit. So you would payout $45 and keep $35 profit.
What are Decimal Odds in sports betting?
The world of sports betting outside of the United States and United Kingdom use decimal odds. Decimal odds represent how much money would pay out for every $1 bet, including your initial bet.
So if you bet $10 on the Patriots to win at 2.5 odds, the payout would be $25 and your profit would be $15.
What is probability percentage in sports betting?
Probability percentage in sports betting is straightforward: It converts the sports book odds (American, fractional, decimal, etc.) into a simple 0-100% scale of probability. In America, odds of +100 are equal to 50% probability.
Think of this as, “How likely am I to win this bet, according to the sports book?”