Round Robin Calculator
Calculate all parlay combinations for your round robin bet. See every combo's payout and your total investment.
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What Is a Round Robin Bet?
A round robin is a series of smaller parlays created from a larger group of picks. Instead of one big parlay where every leg must win, a round robin creates all possible parlay combinations of a given size — so you can still profit even if one pick loses.
Example
With 4 picks and 2-leg parlays, a round robin creates 6 separate 2-leg parlays covering every possible pair. If 3 of your 4 picks win, you win 3 of the 6 parlays.
Trade-Off
Round robins cost more upfront (you're placing multiple parlays) but offer much more flexibility and a higher chance of positive return compared to a single large parlay.
Frequently Asked Questions
What is a round robin bet in sports betting?
A round robin is a bet type that automatically creates all possible parlay combinations of a specified size from your selections. Instead of putting all your picks into one large parlay, a round robin spreads them across multiple smaller parlays so you can still profit even if one or more picks lose.
How many bets are in a round robin?
The number of bets depends on how many picks you have and the parlay size you choose. With 4 picks and 2-leg parlays, you get 6 bets. With 5 picks and 2-leg parlays, you get 10 bets. With 4 picks and 3-leg parlays, you get 4 bets. The formula uses combinations: n choose k, where n is your total picks and k is the parlay size.
Is a round robin better than a parlay?
A round robin has a much higher probability of returning a profit compared to a single large parlay because it does not require every pick to win. However, the total stake is higher since you are placing multiple parlays. For bettors who like the upside of parlays but want more protection against a single bad pick, round robins offer a strong middle ground.
How much does a round robin cost?
The total cost of a round robin is the stake per parlay multiplied by the number of parlay combinations. For example, if you have 4 picks making 2-leg parlays at $10 each, that is 6 parlays for a total investment of $60. The more picks you add, the more combinations are created and the higher the total cost.
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