Use this Hexadecimal to Binary converter to convert any base-16 hex number into the zeros and ones. Enter a hex number value into the box and convert that hex number into the correct binary number with ease. Hex numbers contain 0-9 in numbers and A-z in letters. For example, enter "4444" into the text area and click on the convert button. You will get the "100010001000100" answer in the conversion box.