There are different types of Leagues
There are a few different types of League. On this site we have conversions for US Leagues and UK Leagues. In addition, there are also Nautical Leagues which can be found on this site. Please either select the appropriate unit on the selection above of click the required unit in the links below:
What is a League?
A league is a unit of length that has been used historically in different parts of the world. The exact measurement of a league can vary depending on the region and time period, but it is typically considered to be around 3 miles or 5 kilometers. In ancient times, a league was often defined as the distance a person could walk in one hour, which is roughly equivalent to 3 miles.
The concept of a league has been used in various contexts, such as measuring the distance between towns or cities, or as a unit of length for maritime navigation. In some countries, the league is still used informally to describe long distances, such as in the phrase "a league away." While the league is not commonly used as an official unit of measurement in modern times, it remains a part of historical and cultural references, particularly in literature and folklore.
What is a millimeter?
A millimeter is a thousandth of a meter (1/1000) which is the SI (International System of Units) unit of length. It is normally used to measure small lengths like the thickness of a sheet of paper or the dimensions of a small object.
One millimeter is approximately equal to 0.03937 inches (about 1/25th). Presicely there are 25.4 millimeters in an inch and it is often used in science and engineering. It is used in countries that have adopted the metric system.
You may come across millimeters when measuring the size of electronic components, jewelry or even the thickness of a fingernail.