Remember back in grade school when they told us that every other country in the world used the metric system and that America would be left behind if we didn’t change, pronto?

Well, they were half right.  I still pay for gas by the gallon and I still keep my speed below 55 mph to avoid a ticket but we also happen to be the most powerful country in the history of the world, so maybe the rest of the world needs to switch back to the U.S. standard.

But I’m not here to express my opinion on the metric system.  The purpose of this article is to identify the unit of measure used in the Hazardous Material Regulations (HMR) of PHMSA/USDOT and how to convert from metric units to the U.S. standard. (more…)