Convert perch to nautical mile (international)
Please provide values below to convert perch [perch] to nautical mile (international) [NM], or Convert nautical mile (international) to perch.
How to Convert Perch to Nautical Mile (International)
1 perch = 0.00271555075593953 NM
Example: convert 15 perch to NM:
15 perch = 15 × 0.00271555075593953 NM = 0.0407332613390929 NM
Perch to Nautical Mile (International) Conversion Table
| perch | nautical mile (international) |
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Perch
A perch is a unit of length equal to a rod, which is 16.5 feet.
History/Origin
The term "perch" has been used as a unit of measurement since medieval times and was often used interchangeably with "rod" and "pole."
Current Use
The perch is an obsolete unit of measurement.
Nautical Mile (International)
The international nautical mile is a unit of length used in marine and air navigation, defined as exactly 1,852 meters.
History/Origin
Historically, a nautical mile was defined as one minute of arc of latitude. The international nautical mile was defined by the First International Extraordinary Hydrographic Conference in Monaco in 1929. The United States adopted it in 1954, and the United Kingdom in 1970.
Current Use
The nautical mile is used for maritime and aviation purposes worldwide.