Metric vs. other measurement systems - chart

[mklotz]

Which raises the question, what is the accepted length of a football field?

In Usonian football, the playing area is 100 yards (300 feet) long but there are two 10 yard endzones so the total field length is 120 yards (360 feet).

Then there's the matter of what "football" means. In many countries, it's soccer, and I believe the dimensions of soccer fields can vary.

Thankfully, I'm ignorant of all the other forms of the game played throughout the world. It seems that "football field" is as rubber a measurement as "barrel" or "bushel".