Why are we still measuring in barleycorns? and other nonmetric questions.

Here’s a reminder of what inches and teaspoons and bushels are all about:
English measure

Apparently the U.S. is one of only three nations still holding out for nonmetric measurement. And the other two are not especially forward-looking:
Can we convert?

Are you ready and willing to adopt the metric system in the U.S., or are you secretly hoping that it won’t happen in your lifetime? It sure didn’t happen in the lifetimes of my chemistry and physics teachers.

 
Tags as I wrote them: measurement, metric system, inches, feet, meters, liters, diehards, retro stubbornness.