Parlay bets combine multiple bets into a single bet, increasing the payout when you predict all outcomes. Basically, you stake your winnings from each bet to the next, resulting in progressively larger payouts. One wrong prediction will ruin your ticket, increasing the risk compared to betting on a single game.

Use Bet cards as Parlay Calculator

Did you know that if you go to SpinSports and click on any odds on the sportsbook,  the betting cards will double as parlay calculators for you? Click all the games you want to add to your parlay, fill in your bet and the bet slip does the rest. This is another benefit of playing online compared to playing offline.

Parlay Betting Calculator

One of the most important aspects of sports betting involves measuring risk versus reward. When measuring multi-bet odds, using a parlay calculator helps verify the value of your bet, while double-checking the numbers offered by your sportsbook. The odds in the payout table below only apply if all the selections in the parlay are at a standard price of -110 (football and basketball spreads and totals). Price variations will cause payment variations.

Robin Parlay Round

Round Robin betting is an easy way to bet multiple parlays with one bet. They make it easy for bettors to place parlays consisting of 3-8 rows and 2-6 teams. Bettors can cover their base and bet all possible combinations by using the Round Robin and betting multiple parlays at once. This is a simple way to create multiple parlays.

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How to read round-robin parlay options?

In the above slip, the first option (1 x 6) offers 1 parlay of 6 lines at a cost of 1 x bet, the next option (6 x 5) offers 6 parlays of 5 lines for 6 x the stake, the next 15 parlays of 4 lines at a cost of 15 x bet and so on.

How to Use the Parlay Calculator

Prepare a list of bets you are interested in betting on, including their odds of winning. Sportsbooks display their odds in different formats.

The parlay calculator may accept certain formats, such as American odds or British scores. Some allow you to switch between formats with the click of a button on the page.

If the calculator you selected uses only one format, you may need to translate between American, British, and international standards.

When you know the game you want to parlay, and the amount you want to bet, simply enter the numbers into the calculator. Since your bet is doubled, you don’t have to worry about the order in which the bets are placed. Some calculators will limit the number of bets you can enter, but you should be able to find one that allows longer parlays.

Each individual bet you make in the parlay should be counted when determining the potential win for your bet. If the parlay includes three events, you must multiply the odds from the first part of the bet before rolling the initial bet and winnings to the next part of the parlay. A seven-bet parlay will involve multiplying the seven individual outcomes, rolling each of the previous bets over to the next.

As an example, we will use a three-bet parlay involving three teams having odds of +200, +100, and -300. A $100 bet on +200 will result in a $200 payout, +100 pays out $100, while -300 results in a $33.33 win. 

When these three bets are played, the winnings and the original bet are combined into the next bet. As a result, the first bet wins $200 for a $100 bet on +200, while the second bet takes a total of $300 and bets on +100, increasing the payout to $500. The third part of the parlay involves betting -300 for the initial $100 bet along with a payout of $500, increasing the overall payout to $700 on your initial $100 bet. 

Computers perform these calculations faster than most humans, which makes parlay calculators a very useful tool when trying to determine to parlay bet values. Sometimes, reducing the parlay by one or two bets doesn’t really affect the payout, while increasing the chances of winning the parlay. Comparing the results of negotiations helps provide context for your decision.

Parlays Sports Betting Types

Accumulators, Special Offers & Boosts

Some sportsbooks will advertise parlays as accumulators or some other moniker, referring to the fact that winning parlay payouts accumulate quickly.

Sometimes, sportsbooks sweeten the offer by adding extra incentives. In some cases, the site will allow you to make money on a large parlay by returning a profit if one of the bets does not win. A push doesn’t cause your parlay to lose. Instead, it removes the stakes from the equation completely. A two bet parlay where one bet wins and one hit turns into a straight-up bet.

Pro-Line & Government Sports Betting

Provincial sports betting games like Pro-Line require players to bet on a minimum of three games to win their ticket. Due to laws that prevent single-game betting, bettors must play parlays at reduced rates.

Correlated Parlay

Not all sportsbooks allow correlated parlays, but it is an interesting method of doubling certain fights. For example, if you bet on a win rule for the favorite and a parlay bet on the spread, you will multiply the odds of both. Wins for the favorite might include beating the spread, two correlated events you might allow.


In some cases, you will be able to adjust your bet slightly to increase your parlay winning chances. If your parlay consists of seven spreads, you can give or receive points to reduce risk and payout. Since parlays already pay out well, teasing the spread a bit can make the difference between a big win and a bad beat.

Why Make a Parlay Bet?

The ability to string multiple bets together greatly increases payouts compared to betting on each game individually. As you increase the number of bets involved in your parlay, your original bet grows into a larger bet with each added bet.

When the bet amount in your parlay is close to double digits, a $20 bet has the potential to snowball into a five-figure payout. Of course, winning a ten-match parlay presents challenges, but it’s possible to pick and choose money lines, spreads, over/under, and risk-reducing props.

High risk and high reward parlays are not the only way to play. Choosing a parlay involving two or three bets can increase profits significantly without adding too much risk. A $20 parlay involving +125, -120, and +175 odds will result in a payout of $206.88. The chance to return ten times your initial investment on a reasonable bet indicates the potential value of the parlay.

100 %Match Bonus
100 %Match Bonus
100 %Match Bonus