How many times does 5 go into 100? It will be twenty times if you count the number 1 in a number such as 11 or 100. When counting the digit 5 in a number, it will be one time in the number 0 through 10, and then again in the hundredth place in a number like 100. The same applies to the digit 5 of a number like 55. So, let’s start with the answer to the question.