Sailors use nautical terms for distance, depth and speed.
|
Measure
|
Nautical Term
|
US Units
|
Metric Units
|
|
depth
|
fathom
|
6 feet
|
1.829 meters
|
|
distance
|
league
|
3 miles (on average)
|
4.83 km
|
|
speed
|
knot
|
1.152 miles/h
|
1.853 km/h
|
where:
• "By the mark twain" indicates 2 fathoms.
• A league may vary from 2.42 to 4.6 miles.
