Simple is good. After an email exchange with pilott28 from a
[link=http://www.rcuniverse.com/forum/m_5267614/anchors_5267614/mpage_1/key_/anchor/tm.htm#5267614]similar thread[/link] and digging up the article, I came up with a simplified version in both US and metric flavors. A page sample appears below. I think Dreamworks will have a copy of the (newer) spreadsheet in their Tips Section.

Mike