MLB Parlay Calculator

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Our parlay calculator can show you your expected payout from a parlay bet based on the amount wagered and the odds of each leg in any format (American, Fractional, or Decimal). 

Simply enter your bet amount and the odds and our calculator will show you your expected profit (“To Win”) and payout (“To Pay”). Need to add more legs to your parlay? Just hit the “Add new line” button!

MLB Parlay Calculator

+Add new line

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To Win


To Pay

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How to Use Our MLB Parlay Calculator

It's super easy to calculate your MLB parlay payouts with our tool. Here are the steps you have to take in any order you want:

  • Type in your bet amount
  • Select your odds format
  • Enter the odds for each leg of your MLB parlay (doesn't matter if it's moneyline, run line, total, etc.)
  • If you need to add more legs, just hit the + button
  • Hit the Calculate button

The calculator will then show you your profit amount (To Win) and your total payout amount (To Pay).

The difference is that the payout amount includes the initial amount you wagered where as the profit amount just shows your profit.

If you want to start over, you can hit the Clear button to quickly reset it back to the blank inputs.

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How MLB Parlay Odds Work

When you place a MLB parlay (or any type of parlay, for that matter), you are combining multiple MLB bets into a single wager. In order for the parlay to win, all individual bets (called “legs”) of the parlay must hit.

In exchange for the increased difficulty, you receive a much higher payout than you would if you just bet each individually.

The following table shows the standard payouts on parlays in which each leg has -110 odds as well as the true probability and fair odds if there were no “juice” or “vig” charged by the sportsbook:

# Parlay Legs

Implied Probability


True Probability

Fair Odds

2 team parlay





3 team parlay





4 team parlay





5 team parlay





6 team parlay





7 team parlay





8 team parlay





9 team parlay





10 team parlay





Note that the odds on MLB same game parlays differ based on how related the included selections are to each other. 

For example, you would receive a lower payout on a same game parlay that includes Aaron Judge to hit 2+ HRs and the Over to hit since the game is more likely to go over the run total if he does hit 2+ HRs.

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Dave Rathmanner

Dave Rathmanner is the Founder & CEO of Odds Assist. After struggling to find helpful sports betting resources and honest reviews when he first started betting, he decided to create the site he always wished he had. Dave has been betting on sports since NJ legalized it in 2018 and regularly analyzes sportsbooks to find the best options for bettors. Aside from creating new content for OA readers, Dave is also passionate about researching betting markets, creating models, and developing profitable betting strategies.