Lottery Odds Calculator
Enter the total number of distinct values and how many are drawn. This uses one pool with no bonus ball.
A QUICK WALKTHROUGH
How to use this tool
- Enter the pool size and draw size.
- Calculate the jackpot probability.
- Review the assumptions and source.
Formula
For a one-pool draw without replacement, the jackpot probability is 1 / C(N,K), where N is the pool size and K is the draw size.
Scope
This generic model has no bonus balls, tiers, or lottery-specific rules. It calculates odds only; it does not predict numbers.
Local processing
Inputs and calculations stay in this browser.
GOOD TO KNOW
Common questions
Does this predict winning numbers?
No. It calculates the probability under the stated simple draw model.
Does it include bonus balls?
No. It models one pool of distinct numbers only.