Length units calculator & converter tool
Conversions Table
Equivalent of 18 Nautical Mile: |
33333333.333333 Millimeter |
3333333.3333333 Centimeter |
33333.333333333 Meter |
33.333333333333 Kilometer |
1312336.6666667 Inch |
109366.66666667 Foot |
20.712366666667 Mile |
36466.666666667 Yard |
Nautical Mile / Foot Units Definition
Nautical Mile
The nautical mile (symbol Ma, NMb, nm, nmi or Nqc) is a unit of measurement of length used in maritime and air navigation, equal by convention to 1,852 metersd, Although not part of the International System of Units, the nautical mile is linked to it since it is defined in relation to the meter2. Historically, it has the average value of a minute of latitude of an arc of a meridian, i.e. 1,851.85 m, which has been rounded by convention to 1,852 m3.
Foot
The foot is a unit of length of approximately 30 centimeters, corresponding to the length of a human foot of approximately size 45.In Antiquity, the foot was regularly divided into sixteen fingers or four palms. The Roman foot was 29.64 cm.Since the Middle Ages, the foot was also divided by twelve, which gave the inch. The foot of the King of France was 32.48 cm (size 48¾) and the Anglo-Saxon foot is 30.48 cm.