Math: What is the difference between the Metric and Standard measuring system?

This video was done by NASA education and discusses a little bit about the history of measurement systems.  It then moves on to our US standard of measuring and how to calculate distances using it.  Finally it discusses the Metric system and how easy it is to use and how to convert between meters and kilometers.

Subject:  Math-Measuring
Grade Level:  5-9
Length:  5:05