sales racks calculator

My shop has a size of x square metres. How many units of a product will fit into this shop? I have x units of a certain product. How big is the shop supposed to be for this? This calculator is intended to help in the a.m. questions

Building	sales units
required no. of units for a shop size of: 0 m² The maximum number of employees is being presumed!
Car dealer	0
Drugstore	0
Electronic store	0
Beverage store	0
Jeweler	0
Grocery	0
Furniture store	0
Toy store	0
Gas station	0
Textile store	0
Ice Shop	0