Catia Import Makro Coordinate

Hello Dear Sir/Madam,

I have a question for you, firstly ı prepared a macro in excel and when ı run it and it occur a spline in catia and this spline dimension is in milimeter but catia work in ınch. How can ı repair this issue ? 

In addition to that, how to check the surface design according to catia default plane in easily, in this point ı could take your opinion ?

Thank you for your support.