Thanks for your nice comments. I appreciate your feedback. Ironically, I used the CONVERT function in my previous version, and then decided to take it out for the version I submitted to the contest. I was tired of having to make sure that the right Toolpack was loaded, and explaining how to load it to other people who were less familiar with add-ins. And you are right, the formula in those cells is complex, but the conversion is only part of it. Most of the overhead in those cells has to do with deciding whether grams or ounces is in effect for the entry weight. And I don't think (but I could be wrong) that CONVERT has a means of displaying either decimal pounds or lb/oz. So, even though it took more programming initially, I'm now pleased that I took out CONVERT -- it opened up some other possiblities.
(PS. If you want to see some complex cells, look at the Print page. I'm not very good with pivot tables, so I used the brute force method of compiling the report for printing. Not very elegant, but it works!)