LotteryFree Lottery Tools
Practical calculators, charts, and generators for U.S. lottery players — all run in your browser, no sign-up required. 29 tools and counting — use the search box or category filters below to find what you need.
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Lottery Tax Calculator
Estimate federal and state withholding on lump sum or annuity jackpots for all 50 states.
GeneratorRandom Number Generator
Generate Quick Pick–style numbers for Powerball, Mega Millions or Millionaire for Life.
CheckerTicket Number Checker
Compare your numbers against any past drawing to see what you'd have won.
OddsHow Rare Is This?
See a jackpot's real odds lined up against famously rare real-world events.
CalculatorJackpot Split Calculator
Estimate each person's net share when a prize is split among a group or office pool.
CalculatorTicket Spend Calculator
See what a regular ticket habit adds up to over time, side by side with a hypothetical investment.
AnalysisNumber Trend Chart
A drawing-by-drawing matrix of every number hit, plus sum, span, odd/even and zone stats per draw.
AnalysisSum Trend Chart
Tracks where each drawing's total sum lands across a range of buckets, with gap values and amplitude.
AnalysisAC Value Trend Chart
Tracks how "spread out" each drawing's numbers were, with gap values, big/small, and consecutive counts.
AnalysisBonus Ball Trend Chart
A dedicated chart for just the bonus ball — zone, big/small, hot/cold, 012 road, and amplitude.
CalculatorAC Value Calculator
Enter any set of numbers and get its AC value, odd/even, big/small and prime/composite breakdown.
CalculatorSystem Bet Cost Calculator
See how many tickets and what it costs to cover every combination from a larger number pool.
CalculatorSystem Bet Number Filter
Narrow a system bet's combinations by AC value, odd/even ratio, sum range and more.
GeneratorConstrained Number Generator
Generate random numbers that always include/exclude specific numbers or match a ratio.
AnalysisNumber Analysis Tool
Pick a pool of numbers and see cold/hot status, gap values, and how they've historically matched real drawings.
AnalysisNumber Heatmap
A color-coded view of how often each number has been drawn — darker means more frequent.
UtilityDrawing Countdown
Live countdown to the next drawing for each game, with one-click add-to-calendar.
AnalysisSum Distribution Histogram
A bar chart showing the overall shape of how sums have distributed historically.
ReferenceGame Comparison
Ticket price, jackpot odds, draw schedule and full prize tiers, side by side.
UtilityMy Ticket Tracker
Log your tickets and automatically check them against real results, tallying spend and winnings.
CalculatorLong-Term Odds Calculator
The real compound probability of winning at least once if you keep playing for years.
UtilityPool Organizer
Track members and shares for a group ticket, and print a simple agreement to sign.
GeneratorMeaningful Dates to Numbers
Convert birthdays or anniversaries into a valid set of numbers for your game.
AnalysisChi-Square Randomness Test
A real statistical test for whether number frequencies are consistent with true randomness.
AnalysisMonte Carlo Simulator
Run real random simulated drawings and watch frequency deviation shrink as sample size grows.
CalculatorLosing Streak Calculator
How unusual is a run of consecutive drawings with no jackpot winner, really?
FunNumber Constellation
Turn any set of numbers into a unique geometric shape, plotted around a circle.
FunShareable Number Card
Turn your picked numbers into a designed, downloadable card.
FunHow Big Is That Jackpot?
Turn an abstract dollar figure into a real stack height, using official bill dimensions.
Want the reasoning behind these tools? See our full library of guides on odds, taxes, and payouts.