Trivia: What nautical unit of measurement equals 6 feet?
Correct Answer: Fathom
So why is this answer correct? : One fathom is equals 6 feet. The measurement was widely used to measure nautical depth from the 17th century onward. Before it was standardized, a fathom equaled the approximate length of a pair of outstretched arms, fingertip to fingertip. It comes from the Old English word “fæðm,” meaning “length of the outstretched arms.”