Free tools
Free lottery and crypto tools.
39 calculators, generators and checkers. They run in your browser, need no sign-up and store nothing.
Lottery tax and payouts
What a jackpot is really worth after tax, lump sum or annuity, state by state.
Lottery tax calculator
Free lottery tax calculator for the US. See your take-home after federal and state tax on a lump sum or annuity, with the 24% withholding and extra tax you owe.
Lump sum vs annuity calculator
Compare the lottery lump sum with the 30-payment annuity after tax. See each payment, the total take-home and what the annuity is worth in today's money.
Powerball tax calculator
Estimate your Powerball take-home after federal and state tax. Enter the jackpot and cash option, pick lump sum or annuity and see what you would keep.
Mega Millions tax calculator
Work out your Mega Millions winnings after tax. Enter the jackpot and cash option, choose your state and compare lump sum with the 30-payment annuity.
California lottery tax calculator
California does not tax lottery winnings, but federal tax still applies. Calculate your take-home from Powerball, Mega Millions or SuperLotto after federal tax.
Florida lottery tax calculator
Florida has no state income tax, so lottery winnings face only federal tax. Calculate your Florida Powerball or Mega Millions take-home, lump sum or annuity.
Texas lottery tax calculator
Texas has no state income tax, so lottery winnings face federal tax only. Estimate your Texas Powerball or Mega Millions take-home as a lump sum or annuity.
New York lottery tax calculator
New York taxes lottery winnings at the state level. Estimate federal and New York tax on a Powerball, Mega Millions or NY Lotto win, as a lump sum or annuity.
Lottery taxes by state
Which states tax lottery winnings? A plain list of the states that do not, how federal withholding works, and a calculator to estimate your take-home in any state.
Gambling winnings tax calculator
Estimate US tax on gambling winnings: federal tax at your bracket, the 24% withholding, state tax and your take-home. For casino, lottery and raffle wins.
Texas gambling winnings tax calculator
Texas has no state income tax, so gambling winnings face federal tax only. Estimate your take-home from casino, lottery, raffle and sports betting wins.
Florida gambling winnings tax calculator
Florida has no state income tax, so gambling winnings face federal tax only. Estimate your take-home on casino, lottery, raffle and betting wins.
Odds and chances
The true odds of every prize, how multiple tickets change them and how long a win would take.
Lottery odds calculator
Free lottery odds calculator. Pick Powerball, Mega Millions, EuroMillions, UK Lotto or Lotto 6/49 and see jackpot odds and every prize tier, with multiple tickets.
Powerball odds calculator
Powerball odds for every prize: 1 in 292,201,338 for the jackpot and 1 in 24.87 to win anything. Add multiple tickets to see how your chances change.
Mega Millions odds calculator
Mega Millions odds: 1 in 290,472,336 for the jackpot. See the odds of every prize tier and of winning anything, and how multiple tickets change your chance.
EuroMillions odds calculator
EuroMillions odds: 1 in 139,838,160 for the jackpot. See every prize tier odds and how buying more lines changes your chances of winning.
Lottery odds with multiple tickets
How do multiple tickets change your lottery odds? Calculate the jackpot chance for any number of tickets, and how many you would need for a 1% or 50% chance.
How many tickets do you need to win the lottery?
How many tickets would you need to win the lottery? Calculate the number and the cost for a 1% or 50% chance at Powerball, Mega Millions and other games.
How long would it take to win the lottery?
How many years of playing would it take to win the lottery jackpot? Calculate the years for a 50% chance and what you would spend, for Powerball and others.
Lottery expected value calculator
Calculate the expected value of a Powerball ticket with jackpot size, cash option, tax and the chance of sharing. See what each ticket is worth on average.
Lottery odds comparison: 14 games ranked
Compare the jackpot odds of 14 major lotteries side by side, from Powerball and Mega Millions to EuroMillions, UK Lotto and Lotto 6/49, sorted by best odds.
Number generators
Secure random quick picks for the big games and daily draws.
Lottery number generator
Free lottery number generator for Powerball, Mega Millions, EuroMillions, UK Lotto, Lotto 6/49, Pick 3 and Pick 4. Secure random numbers, no sign-up.
Powerball number generator
Generate random Powerball numbers: 5 white balls from 1 to 69 and a red Powerball from 1 to 26. Secure, free, up to 20 lines, nothing stored.
Mega Millions number generator
Generate random Mega Millions numbers: 5 numbers from 1 to 70 and a Mega Ball from 1 to 24. Free, secure, up to 20 lines, and nothing is stored.
EuroMillions number generator
Generate random EuroMillions numbers: 5 main numbers from 1 to 50 and 2 Lucky Stars from 1 to 12. Free, secure and private, up to 20 lines.
Pick 3 number generator
Generate random Pick 3 numbers for today: three digits from 0 to 9. Free, secure, up to 20 lines, with straight and box odds explained. Nothing is stored.
Pick 4 number generator
Generate random Pick 4 numbers for today: four digits from 0 to 9. Free, secure, up to 20 lines, with straight and box odds explained. Nothing is stored.
Pools and groups
Split prizes fairly and write a pool agreement everyone signs.
Lottery pool split calculator
Split a lottery prize fairly by what each person paid in. Add members and contributions, enter the prize and copy the breakdown for your pool or syndicate.
Lottery pool agreement template
Free lottery pool agreement template. Fill in your group and get a clear, printable agreement covering payments, tickets, prizes, leaving and taxes.
Money habits
See what tickets really cost over time.
Lottery vs investing calculator
What if you invested your lottery money instead? Compare years of weekly ticket spending with investing the same amount and the average lottery payback.
Lottery spending calculator
Add up what you spend on lottery tickets per week, month, year and decade, and see the average cost after prizes. Free, private and eye-opening.
Crypto and fairness
Bitcoin lottery mining odds, hash and provably fair tools, and verifiable winner pickers.
Bitcoin lottery miner odds calculator
Calculate your chance of mining a Bitcoin block solo with a Bitaxe, NerdMiner or ASIC. Live network hashrate, expected wait, and how it compares with Powerball.
SHA-256 hash generator
Generate a SHA-256 hash from text or a file, right in your browser. Nothing is uploaded. Compare with a published hash to verify a download or a draw.
Provably fair calculator
Verify a provably fair result with the server seed, client seed and nonce. Calculates HMAC-SHA256, the dice roll and checks the server seed hash.
Verifiable random number generator
Get a random number from the public drand beacon that anyone can verify. Pick 1 to N, look up any round, or find the round for a future time.
Giveaway winner picker with proof
Pick giveaway winners fairly and prove it. Paste your list, use a public random value from drand, and share a proof anyone can recompute. Free, private.
Instagram giveaway picker with proof
Pick an Instagram giveaway winner from a list of usernames or commenters and publish a proof. Paste your entries, pick winners, and show the draw was fair.
Random name picker
Paste names and pick one or several at random. Use the instant mode for a quick choice or the verifiable mode with a public random value and a proof.
Raffle drawing generator
Draw raffle winners from a list of ticket numbers or names, fairly and with proof. Paste your entries, set the winners and share a proof anyone can verify.