Casino Math Tools
Fast, free calculators that turn casino marketing into numbers. Every tool has a shareable link, and most can be embedded on your own site.
House Edge & Expected Loss Calculator
Pick from 20+ games and bets. See the expected cost per hour, per session, per month and per year, and compare every game side by side.
Open calculator →Odds Converter & Vig Calculator
Convert between decimal, fractional and American odds, see implied probability and strip out the bookmaker margin to get fair odds.
Convert odds →Bankroll & Risk-of-Ruin Calculator
Expected result, standard deviation, chance of finishing ahead and a 2,000-session Monte Carlo risk of ruin for your bankroll.
Check your bankroll →“At Least Once” Probability Calculator
The chance of hitting a 1-in-X event at least once in N tries, and how many tries it takes to reach 50%, 90% or 99%.
Calculate →Put these tools on your site — free
Copy one line of code to embed our calculators in your articles, classes or forum. Attribution link included.