Convert kilometer to micrometer
Please provide values below to convert kilometer [km] to micrometer [µm], or Convert micrometer to kilometer.
How to Convert Kilometer to Micrometer
1 km = 1000000000 µm
Example: convert 15 km to µm:
15 km = 15 × 1000000000 µm = 15000000000 µm
Kilometer to Micrometer Conversion Table
| kilometer | micrometer |
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Kilometer
A kilometer is a unit of length in the metric system, equal to one thousand meters.
History/Origin
The term "kilometer" is derived from the Greek words "khilioi" (thousand) and "metron" (measure). The kilometer was first defined as part of the metric system in France in 1795.
Current Use
The kilometer is the most widely used unit of distance for road signs and travel distances in the world, with the notable exceptions of the United States and the United Kingdom.
Micrometer
A micrometer, also known as a micron, is a unit of length equal to one-millionth of a meter.
History/Origin
The term "micron" and the symbol µ were officially declared obsolete by the General Conference on Weights and Measures (CGPM) in 1967, and "micrometer" became the official term.
Current Use
The micrometer is a common unit for measuring the wavelength of infrared radiation, as well as the size of biological cells and bacteria. It is also widely used in technology and engineering.