This is usually calculated per square foot. For example, a 700 square foot home would need four large boxes and twelve small ones. Typically, you want about ten small, eight medium, and five large packing boxes per room, but this will vary according to the number of your belongings.
There are several places where you can purchase moving supplies in Chicago. But, seeing as though you are here, why not purchase from us? We have customized solutions at affordable prices to help you neatly organize and pack your belongings.