Definition:Mile

From ProofWiki
Jump to navigation Jump to search

Definition

There are a number of definitions for the mile.


International Mile

The (international) mile is an imperial unit of length.

\(\ds \) \(\) \(\ds 1\) (international) mile
\(\ds \) \(=\) \(\ds 8\) furlongs
\(\ds \) \(=\) \(\ds 80\) chains
\(\ds \) \(=\) \(\ds 320\) rods, poles or perches
\(\ds \) \(=\) \(\ds 1760\) yards
\(\ds \) \(=\) \(\ds 5280\) feet
\(\ds \) \(=\) \(\ds 1609 \cdotp 344\) metres \(\quad\) (exact)


Nautical Mile

\(\ds \) \(\) \(\ds 1\) nautical mile
\(\ds \) \(=\) \(\ds 1852\) metres (by definition)
\(\ds \) \(=\) \(\ds 10\) cables
\(\ds \) \(\approx\) \(\ds 6076\) feet
\(\ds \) \(\approx\) \(\ds 1 \cdotp 151\) (international) mile
\(\ds \) \(\approx\) \(\ds 0 \cdotp 999 \, 363\) admiralty (UK nautical) mile


Admiralty Mile

\(\ds \) \(\) \(\ds 1\) admiralty mile
\(\ds \) \(=\) \(\ds 6080\) feet (by definition)
\(\ds \) \(=\) \(\ds 1853 \cdotp 184\) metres
\(\ds \) \(\approx\) \(\ds 1 \cdotp 1515\) (international) mile