Wix E-Commerce Site Assistance -

Hi, My name is James Komenda and I am the founder of a company called Word of Mouth Floors. We are looking to improve our current website in order to be able to process payment online, however there is some limitations with their platform and I do not have the skill set to overcome them. The objective is to sell flooring online. The product is traditionally charged per the Sq Ft, however each unique SKU (we have hundreds) has different product specs (Plank Width, Thickness, Length) which will impact how much Sq Ft will fit into each box. I am hoping to build out a template calculator whereby I am able to add the unique product specs for each SKU so that when a customer enters how much they need for their project, it will automatically calculate to the correct number of boxes needed for their order, with the correct amount of Sq. Ft to be charged. For example, one of our laminate styles has 18.96 Sq Ft a box. If a customer were to enter their measurements (1000 sq ft for example) the template that is built should automatically calculate their order requirements to be 53 Boxes (1,004.88 Sq Ft). I believe that you are able to write your own code for Wix, so I am hoping there is someone out there smarter than I that can assist. This is my first time on Freelancer, so please be gentle with me as I familiarize myself with the platform. I hope this makes sense.