A "ken" is not a widely recognized unit of measurement in modern systems. However, the term "ken" is more commonly used as a noun or verb in English and has a different meaning.
As a noun, "ken" refers to one's range of sight, perception, or understanding. For example, you might say, "Beyond my ken," to mean something is beyond your understanding or knowledge.
As a verb, "ken" means to understand, perceive, or know. For instance, you might use it in a sentence like, "I cannot ken the complexity of this issue."
In these contexts, "ken" is used to describe one's ability to perceive or comprehend something, rather than a unit of measurement. If you have a specific context in which "ken" is being used as a unit of measurement, please provide more details, and I'll do my best to assist you further.
The nautical league in the United Kingdom is a unit of nautical measurement that is traditionally defined as three nautical miles. A nautical mile, also known as a sea mile, is a unit of distance used in navigation and marine contexts. It is based on the circumference of the Earth and is approximately equal to one minute of latitude along a meridian.
In the United Kingdom and many other maritime nations, a nautical league is considered to be equal to three nautical miles, which is roughly equivalent to 5.556 kilometers or 3.452 statute miles (land miles). This measurement is used for maritime and navigational purposes, especially for calculating distances at sea.
It's worth noting that the use of traditional nautical measurements like leagues has largely been replaced by more standardized and precise modern navigation methods that rely on nautical miles and other internationally recognized units. Nonetheless, these older units of measurement may still be referenced in historical documents or traditional maritime contexts.