Lottery formula calculator: what the maths says
Lottery formulas work on past draws: add the digits, find the gaps, count the numbers that have not appeared. A past draw does not change the next one, so every formula ends by choosing a set like any other. The arithmetic is on the page: a full match is 1 in 1,39,83,816, and it takes 96,92,843 tries before a win is likelier than not.
The cost is fixed by the prizes and the ticket price, not by the method. With the example prizes about 49.6% of a ticket’s price comes back, so a ticket loses about ₹50, and 100 tickets lose about ₹5,038 whichever formula chose them.
The calculator runs in your browser and sends nothing anywhere, so you can try any numbers you like.
Common questions
Can a formula or calculator pick the numbers that will come up?
No. It can only choose which numbers you play, and every choice has the same chance. For a three-digit number a clever guess and a random guess are both 1 in 1,000, and the calculator’s figures hold whichever method made the guess.
Why do formulas built on past draws not work?
A formula that adds digits, counts gaps or tracks missing numbers fits a pattern to a finished list. The next draw is made fresh, so it owes nothing to that list. The formula’s pick is one set among many equal ones, no better than a random pick.
Is one set of lottery numbers likelier than another?
No. Every set of the same size has exactly the same chance, 1 in 1,39,83,816 for 6 from 49, and 1-2-3-4-5-6 is no rarer than a set picked with care. What can differ is how many other people played the same numbers, which changes how a shared jackpot is split.
How many tickets until a jackpot is likelier than not?
For 6 from 49, 96,92,843 tickets, which is about 26,556 years of one ticket a day. A hundred tickets give a 1 in 1,39,839 chance of a jackpot and cost ₹10,000 at ₹100 each.
What does the average cost of a ticket mean?
It is what a ticket loses over very many tickets, not what the next one will do. Most tickets win nothing and a few win a lot, so the average is a summary of a very uneven spread.