Convert foot (US survey) to micrometer
Please provide values below to convert foot (US survey) [ft (US)] to micrometer [µm], or Convert micrometer to foot (US survey).
How to Convert Foot (Us Survey) to Micrometer
1 ft (US) = 304800.6096 µm
Example: convert 15 ft (US) to µm:
15 ft (US) = 15 × 304800.6096 µm = 4572009.144 µm
Foot (Us Survey) to Micrometer Conversion Table
| foot (US survey) | micrometer |
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Foot (Us Survey)
The U.S. survey foot was a unit of length defined as exactly 1200/3937 meters.
History/Origin
The U.S. survey foot was used for land surveying in the United States for most of the 20th century. Its use was officially phased out in 2022 to standardize with the international foot.
Current Use
The U.S. survey foot is now an obsolete unit.
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.