. . . The point is not to convert, but to internalize. . .
http://blogs.scientificamerican.com/plugged-in/2013/08/20/you-know-what-the-rest-of-the-world-has-figured-out-the-metric-system-its-time-the-us-got-on-board/ David Pearl MetricPioneer.com 503-428-4917