Since , a yard has been defined as exactly 0. It is also equal to 3 feet, or 36 inches. It is an English unit predecessor of imperial units and the term was derived from "gerd" in Old English, the earliest historical form of the English language. Some suggest that the yard could have been derived based on the girth of a person's waist. Current use: The yard is commonly used in field-length measurement for certain sports such as American and Canadian football, and association football soccer.
There are 6, Generally obsolete. A marine league is 3 nautical miles. Alternatively, 1 meter contains 1,,,, picometers. The bond distances between atoms are generally in the range of to pm. The bond distances between atoms are generally in the range of 1 to 3 Angstroms. Alternatively, 1 meter contains 1,,, nanometers. Visible light contains wavelengths from roughly to nm. To convert this wavelength to energy, see the energy unit conversion page.
Also known a micron. Alternatively, 1 meter contains 1,, micrometers. Human hair is roughly 50 microns in diameter. Alternatively, 1 meter contains millimeters. Alternatively, 1 meter contains cm. Currently defined as the length of 1,, There are m in a kilometer. An astronomical unit is defined as the mean distance between the Earth and the Sun.
Using 12 inches put together to make one foot lets everyone have an accurate picture of what exactly a "foot" of length is. Miles are long distances and are mostly used to measure the distance between places which are far away from each other.
Most people refer to miles when they are driving, biking or jogging. Five tomato Five two eight oh 5, feet in a mile. A mile is exactly 1. Yes, the mile has a metric definition. It is the Fibonacci Sequence , which is made by adding the two previous numbers each time.
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