Hold'Sim Odds Calculator

On the main interface, you can select the cards that are dealt and quickly calculate your chances of winning outright:



You can also see your hand's relative strength compared to the average opponents hand, which may be more usefull than your outright chance of winning:



You can even select cards to burn if you want to work with a reduced deck:



More advanced users can track their opponent actions step by step to provide the simulator with the most information possible (non advanced users should close this window):



After the simulation completes, you can see details results of the run, including a breakdown of your win percentage by hand type. If enough information is available, the result panel also shows you your expected return on the dollar for the given hand, the pot odds, hand odds, and a recommended action (the example below shows that you can raise up to $17 on a $10 call and still have a greater-than-one expectation value):



...Or you can see the raw data from the simulator:



It is also useful to keep an eye on the hands that might beat you, just in case you didn't see a straight or flush coming...