EV Calculator

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Expected ROI

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Expected Value

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Free Expected Value Calculator

The expected value calculator calculates the expected value (xEV) and expected return on investment (xROI) of your bet. To use the calculator, simply enter the odds offered by the sportsbook and the probability of the event happening.

For example, if you are placing an MLB moneyline bet to win, the probability of winning would be your xWin or expected win probability. You can get this probability from your own analysis or, even better, from a tool like OddsShopper.

Once you have entered the odds and probability, the calculator will calculate the expected ROI and dollar amount. The expected ROI is the percentage of your bet that you expect to win over the long term. The expected dollar amount is the amount of money you expect to win on your bet.

Here is an example of how to use the EV calculator:

  • Enter the odds offered by the sportsbook. For example, if the Cubs are +150 to win, you would enter 150.
  • Enter the probability of the Cubs winning. For example, if you think the Cubs have a 60% chance of winning, you would enter 0.6.
  • Enter the amount of your bet. For example, if you are betting $100, you would enter 100.

The calculator will then calculate the expected ROI and dollar amount. In this example, the expected ROI is 40% and the expected dollar amount is $40.

The expected value calculator is a valuable tool for sports bettors. It can help you to identify profitable bets and to manage your bankroll more effectively.