Your syndicate
Members and what they paid in
Odds (optional)
Who gets what
Payouts are rounded down to the penny and any pennies left over are shown separately, so the shares always add up to the prize. Agree the rules in writing before the draw.
Independent site. CasinoCalcs is not affiliated with or endorsed by any lottery operator, including the National Lottery, Allwyn and Ireland’s National Lottery. Game names are used only to describe the rules the maths is based on.
- Maths reviewed by Josh Miller
- Tested by Diana Westfield
A lottery syndicate calculator splits a win the way the group agreed, to the penny. Six people paid in £60 between them: one put in £20, three put in £10 and two put in £5. They win £25,000. The free CasinoCalcs calculator above gives the £20 member £8,333.33, the £10 members £4,166.66 each and the £5 members £2,083.33, with 3p left over. It also shows what the syndicate’s 30 UK Lotto lines did for the odds: 1 in 750,958 per draw instead of 1 in 22.5 million.
Lottery syndicate calculator: fair shares
Most syndicates split by what each person paid in. If you paid a sixth of the money, you get a sixth of the prize. Equal shares are simpler and fine if everyone always pays the same. Pick either at the top.
The calculator rounds every share down to the penny and shows the remainder separately. That way the shares never add up to more than the prize, and the group can decide what happens to the odd pennies (roll them into the next draw is the usual answer).
What a syndicate does to the odds
More lines, more chances. 30 lines are 30 times as likely to hit the jackpot as one. That’s still a long shot, and the prize gets shared 6 ways, so the average return per pound is exactly the same as playing alone. What changes is how it arrives: smaller wins, more often.
| Lines a draw | UK Lotto jackpot odds per draw |
|---|---|
| 1 | 1 in 22,528,737 |
| 10 | 1 in 2,252,874 |
| 30 | 1 in 750,958 |
| 100 | 1 in 225,287 |
Write the rules down
Most syndicate rows come from things nobody agreed: what happens if someone misses a payment, who holds the tickets, whether the numbers stay the same. One page signed by everyone settles it. Name the organiser, the game, the weekly cost, what happens if someone doesn’t pay, and how prizes are split.
For the odds of each game, see the lottery odds calculator. The lottery wheel generator spreads a syndicate’s favourite numbers over its lines, and the lottery reality check shows how long a jackpot would really take.
Lottery syndicate agreement template
A written agreement is the one thing every syndicate guide agrees on, because it settles what happens before there’s money to argue about. Fill this one in, print it, and get every member to sign. Keep a copy with the tickets and give one to each member.
| Lottery syndicate agreement | |
|---|---|
| Syndicate name | |
| Syndicate manager (buys and checks the tickets) | |
| Game(s) and draws played | |
| Lines per draw and cost per draw | |
| Each member pays, and by when | |
| Start date | |
| Member | Share | Phone or email | Signature | Date |
|---|---|---|---|---|
Rules we agree to: (1) Only members who have paid before a draw share in that draw’s prizes. (2) Prizes are split by share, to the penny; small wins under ______ are carried over to buy tickets. (3) The manager keeps a copy of every ticket and tells members about any win within ____ days. (4) A member who wants to leave gives ____ weeks’ notice and has no claim on later draws. (5) Any change to these rules needs every member’s agreement in writing.
This is a free printable lottery syndicate form, not legal advice. For a large syndicate or a big win, a solicitor can check the wording. The calculator above does the split once you know the shares.
Wondering whether a syndicate is worth it at all? How to improve your lottery odds shows what pooling lines does to the jackpot chance.
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