If you roll two normal six-sided dice there's a 1 in 6 chance of rolling doubles. But what if you roll two dice that don't have the same number of. A free alternative to classic dice. Roll the dice and enjoy the game you're playing! TWO DICE. THREE · FOUR · FIVE · SIX. About Die (plural DICE) according. If you roll two six-sided dice, what are the odds of rolling doubles? To calculate your chance of rolling doubles, add up all the possible ways to roll doubles (1,1;.