Lottery tools
Practical Lottery Tools
Choose a tool for the question you have.
Four browser-based tools for Mega Millions and Powerball. Each page shows its formulas. None predict winners or advise purchases.
Interactive tools
Open a tool for the form, assumptions, and live results in your browser.
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Historical Replay
What If Calculator
What if I played these numbers every drawing?
Replay one fixed Mega Millions or Powerball line across bundled history.
Replay your numbers -
Result Check
Ticket Match & History Checker
Did these numbers match a published drawing?
Compare one line with a selected drawing or search loaded history.
Check a ticket Pattern check only — not official claim verification. -
Probability
Lottery Odds Explorer
How unlikely is each prize tier?
Compare Mega Millions and Powerball prize-tier probabilities.
Compare the odds -
Cost
Lottery Spending Calculator
What does repeated play cost over time?
Weekly, monthly, yearly, and multi-year cost from your play rate.
Calculate spending
How the tools differ
- What If — historical replay of one fixed line across bundled drawings.
- Ticket Match — compare one line to a selected drawing or search history.
- Odds Explorer — prize-tier probabilities for Mega Millions and Powerball.
- Spending — cost arithmetic from plays, schedule, and ticket price.
Prices, matrices, and loaded drawing records match the rest of Lottery Number Lab. When an official rule changes, rebuild so every tool stays in sync.
Limits
Results are historical or hypothetical. These tools do not predict winners, do not advise you to play, and are not official claim verification. Ticket prices, matrices, and drawing records follow the methodology and the data this site loads.