Round robin bet calculator
Prices every parlay in a round robin of 3 to 8 picks.
Enter each pick’s odds with a sign, e.g. -110 or +150, then tick the parlay sizes you want.
Total risk is all the parlays together. The table shows your payout by number of winning picks.
| Winners | Parlays won | Payout | Profit |
|---|
| Size | Parlays | Risk |
|---|
How to use this calculator
- Enter Bet per parlay ($): every parlay in the round robin is placed at this amount.
- Choose the Odds format, then type each pick’s odds in Pick 1, Pick 2 and so on, with a sign. Use + Add pick for up to 8 picks.
- Tick the Parlay sizes to include. “2-pick parlays” means every possible pair of your picks.
- Read Number of parlays and Total risk (bet per parlay × number of parlays), then Payout if all win and Profit if all win.
- The Payout by number of winning picks table shows what comes back if only some of your picks win.
Example: step by step
- Bet per parlay ($) is 10, with three picks at -110 and 2-pick parlays ticked.
- Number of parlays shows 3: picks 1+2, 1+3 and 2+3. Total risk is 3 × $10 = $30.00.
- Each 2-pick parlay at -110 and -110 pays $10 × 3.6446 = $36.45.
- If all three picks win, all three parlays win: Payout if all win $109.34, Profit if all win +$79.34.
- If two of the three win, one parlay wins: $36.45 back on $30 risked, a $6.45 profit, as the table shows.
In plain words: splitting $30 into three $10 parlays means you still make a small profit when one pick loses, where a single three-leg parlay would have lost everything.
Enter 3 to 8 picks, choose which parlay sizes to include and set a bet per parlay. The calculator shows how many parlays that creates, your total risk, and what you get back for every possible number of winning picks. Mark results as games finish to see where you stand, and use the link button to save the ticket.
What a round robin bet is
A round robin splits a group of picks into every possible smaller parlay. Three picks “by 2s” makes three two-team parlays: A+B, A+C and B+C. Each parlay is a separate bet with the same stake, so one losing pick doesn’t sink the whole ticket the way it would in a single parlay.
You can combine sizes. Four picks by 2s and 3s creates six two-team parlays and four three-team parlays, ten bets in all. The count grows quickly: five picks by 2s, 3s and 4s is 25 bets.
How the payout is calculated
Each parlay pays like any other parlay: multiply the decimal odds of its legs, then multiply by the stake. The round robin returns the sum of every winning parlay. Your total risk is the number of parlays times the bet per parlay.
The calculator works out each parlay exactly and rounds the total once, at the end. Sportsbooks settle and round each parlay separately, so their total can differ by a few cents.
Worked examples
Three picks at -110, by 2s
$10 per parlay makes three bets and $30 at risk. If all three picks win, you get back $109.34, a $79.34 profit. If two win, one parlay cashes for $36.45, which is still a $6.45 profit. One winner or none loses the full $30.
Four picks by 2s and 3s
Four picks at -110, with $10 on every two-team and three-team parlay, is ten bets and $100 at risk. All four winning returns $496.99. Three winners return $178.92, a $78.92 profit. Two winners return $36.45, a $63.55 loss. By comparison, a single four-team parlay for $100 would return $1,328.33 if all four win and nothing if one loses.
Picks at different odds
With +150, -120 and +200 by 2s at $10 each, all three winning pays $175.83. When two win, the return ranges from $45.83 (the +150 and -120 picks) to $75.00 (the +150 and +200 picks). That’s why the calculator shows a range for each number of winners when your odds differ.
A push
If one of three -110 picks pushes and the other two win, the parlays that include the push pay at the other leg’s odds as if it were a single bet. The three parlays return $74.63 in total on the $30 risked.
Round robin vs a single parlay
A round robin trades upside for resilience. It pays less than one big parlay when everything wins, but it can still turn a profit when a pick loses. It also puts more money at risk for the same bet size, because you’re placing several tickets at once. The “Payout by number of winning picks” table shows exactly how many winners you need to break even before you commit.
Every parlay still carries the sportsbook’s margin on each leg, and a round robin pays it across many overlapping tickets. A round robin doesn’t change the value of any pick. It only changes how the results are grouped.
Tips for building a round robin
- Count the tickets first. Six picks by 2s is 15 bets. At $10 each, that’s $150 at risk, not $10.
- Check the break-even row. With 3 to 8 picks at -110 by 2s, you need between 57% and 75% of them to win to come out ahead, depending on how many picks you have.
- Mix sizes on purpose. Smaller parlays cushion a losing pick, and larger ones raise the ceiling. Tick only the sizes you want.
- Shop each leg. Better prices on every leg compound across every parlay they appear in. Our guide to shopping betting lines shows how.
To learn more, read parlays, teasers and round robins or our bankroll management guide. For one all-or-nothing ticket, use the parlay calculator. Find picks on our NFL odds, college football odds and MLB odds pages.
Featured Sportsbook
Build Your Round Robin at Bovada
Combine your picks into parlays across every major sport.
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Responsible gaming: A round robin is several bets at once. Only wager what you can afford to lose. If gambling stops being fun, see our responsible gaming resources or contact the National Council on Problem Gambling.