Boston Celtics to cover the spread -110.You decide to take that money to your favorite betting site and create an awesome parlay. Let’s say you have $80 burning a hole in your wallet. We’ve come up with a more detailed example below. Hit Calculate and you’ll see what you’d win. It’s set to $100, but you can bet whatever you want, as long as your bankroll can handle it. In the Bet Amount box, input what you want to wager. However, most sportsbooks will only allow up to 10-team parlays. Our parlay number cruncher lets you enter up to 100 bets. For underdogs, you don’t need to add the plus sign (+). For favorites, you must add the minus sign (-) before the odds.

Click on Add Bet to add the other wagers on your ticket. Input your first wager in the Bet #1 slot. We use American style (-500), but you can choose Fractional (1/5) or Decimal (1.20). With our parlay calculator, you can select how you want your odds displayed.