As the count value depending on the selected unit?
There are 3 fields, width and height select the unit of measurement( mm, cm, m)
as in the changes unit. to change the values in width and height? (to adjust the size of the exposed).
mathematics understandable, but I do not understand how the script to explain what the unit replaceable?
if mm is in cm / mm from 10 to m /1000, and so on....