What is the card shuffler for?
Use this tool to cycle through a shuffled pack of cards.
It's useful for simple games like higher or lower and kings — or for role-playing party games that require a pack of cards to determine the roles of each player.
How to use this tool?
Simply click a card to flip it. Click shuffle to re-shuffle the deck.
Click options to add or remove cards from the deck.
What's the chance of getting the same deck twice?
There's 52 cards in a standard deck. Meaning there's 52! possible orders for any shuffled deck.
52! is 52 x 51 x 50 ... 3 x 2 x 1
The chances of getting the same order of cards twice is 1 / 52!.
So the chance is 1 in
80658175170943878571660636856403766975289505440883277824000000000000
…a number larger than the number of milleseconds since the beginning of the universe.