EuroMillions Prize structure

Main numbers	Lucky stars	Odds	Probability of winning	% of prize fund
2	1	1 in 39	0.0256	24.0%
1	2	1 in 103	0.00971	10.1%
3	0	1 in 367	0.00253	4.7%
2	2	1 in 538	0.00186	4.4%
3	1	1 in 551	0.00181	5.1%
3	2	1 in 7,705	0.00013	1.0%
4	0	1 in 16,143	0.0000619	0.7%
4	1	1 in 24,215	0.0000413	1.0%
4	2	1 in 339,002	0.00000295	1.5%
5	0	1 in 3,632,160	0.000000275	2.1%
5	1	1 in 5,448,240	0.000000182	7.4%
5	2	1 in 76,275,360	0.0000000131	22.0%

• The odds of winning any prize at all are 1 in 24.
• The odds of getting none of the 50 main balls but getting both lucky stars is approximately 1 in 62. This quirk of probability means that it is less likely than getting 2 main balls and one lucky star (1 in 39). However, there is no prize for only getting 2 lucky stars.
• 16% of the prize fund is allocated to a "Booster Fund" which can be used to boost the jackpot prize.
• The figures for estimated prize are just a guide, and the actual amount varies according to the total in the prize fund and the number of winners for each prize. (Estimated prizes as per reverse of UK playslip)
• If the Jackpot is not won, it rolls over until the following week. However, if the jackpot is not won on the twelfth successive week (i.e., eleven rollovers), then the jackpot prize is "rolled down" by distributing it between winners of the next level instead of rolling it forward again.
  • Note: An exception to this rule would has occurred 3 February 2006, which, if the jackpot had not been won, the jackpot would have been carried over for a thirteenth week (at which point it would have rolled down, if not won on 10 February 2006). Reasons for decisions made for the exceptions to occur is unknown.
• New rules introduced on January 4, 2007, that took effect on February 9, 2007 limit the number of consecutive draws to eleven, with the jackpot rolling down to lower prize levels in the eleventh draw if the jackpot is not won. The new rules also introduced "Event Draws" also referred to as "Superdraws", in which there will be a guarantee of the minimum amount which is available to pay prizes in the Match 5 and 2 Lucky Stars Prize Category; if an Event Draw isn't won it will be rolled down. The first Event Draw was held on February 9, 2007 for €100m (£66m, 165m sfr) to celebrate the Euromillions third birthday.

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