Who hasn’t at one time or another considered converting a bus or some other service vehicle to an RV. You might enjoy The Travel Channels show Killer RV Upgrades. Find a Grumman Albatros converted to an RV complete with a balsa kitchen. (Chrome users may have to reload this page to view video player.)
Worldwide Metric: The best metric / length / weight/ volume / pressure / weight calculator on the web. I use this site every week for something.