Is the lottery worth it?
What the lottery really costs you over the years, how tiny the jackpot odds actually are – and what you'd have if you invested the same money instead. Playing for fun is fine; here you just see the price. Everything runs on your device.
Lottery reality check
Carry your lottery stake into Kontoo as a savings rate – and watch it work for you in net worth and the FIRE forecast. All private on your device.
FAQ
Lottery & probability, explained
Is the lottery worth it financially?
Mathematically, no: on average only about half of stakes come back as prizes, and the jackpot odds are vanishingly small. As entertainment it can still be fine – the calculator just shows what it costs and what the same money would grow to if invested.
What are the odds of winning the jackpot?
US Powerball is about 1 in 292,201,338 and Mega Millions about 1 in 302,575,350. EuroMillions is roughly 1 in 139,838,160 and the UK Lotto (6/59) about 1 in 45,057,474.
What does “invested instead” mean?
The calculator invests your weekly lottery stake at the assumed return and shows the final amount after the chosen period. That is the opportunity cost – what playing costs you beyond the ticket. An estimate, not advice.
Is my data stored?
No. The calculator runs entirely on your device – no account, no cloud, no tracking. There is no server that sees your input.
Your data stays with you. Full stop.
Kontoo collects, sees and stores none of your data. No account, no cloud, no trackers, no ads – this calculator too runs entirely on your device.