| Did you mean to convert | ri [Japan] ri [Korea] |
to | micrometre micron |
How many ri [Korea] in 1 micrometer? The answer is 2.5462962962963E-9. We assume you are converting between ri [Korea] and micrometre. You can view more details on each measurement unit: ri [Korea] or micrometer The SI base unit for length is the metre. 1 metre is equal to 0.0025462962962963 ri [Korea], or 1000000 micrometer. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between ri [Korea] and micrometres. Type in your own numbers in the form to convert the units!
1 ri [Korea] to micrometer = 392727272.72727 micrometer
2 ri [Korea] to micrometer = 785454545.45455 micrometer
3 ri [Korea] to micrometer = 1178181818.1818 micrometer
4 ri [Korea] to micrometer = 1570909090.9091 micrometer
5 ri [Korea] to micrometer = 1963636363.6364 micrometer
6 ri [Korea] to micrometer = 2356363636.3636 micrometer
7 ri [Korea] to micrometer = 2749090909.0909 micrometer
8 ri [Korea] to micrometer = 3141818181.8182 micrometer
9 ri [Korea] to micrometer = 3534545454.5455 micrometer
10 ri [Korea] to micrometer = 3927272727.2727 micrometer
You can do the reverse unit conversion from micrometer to ri [Korea], or enter any two units below:
The Korean "li" or "ri" was standardized as 1⁄10 of the Japanese ri of 3 51⁄55 km in 1905.
A micrometre (American spelling: micrometer, symbol µm) is an SI unit of length equal to one millionth of a metre, or about a tenth of the size of a droplet of mist or fog. It is also commonly known as a micron, although that term is officially outdated. It can be written in the expanded mathmatical notation (1×10-6 m)
The symbol µ is the "micro sign", which should look identical to the Greek letter mu (?) (the two may or may not look the same, depending on the font). The symbol "um" is sometimes used, when the µ and ? are not available, for example when using a typewriter.
The micrometre is a common unit of measurement for wavelengths of infrared radiation. Some people (especially in astronomy and the semiconductor business) use the old name micron and/or the solitary symbol µ (both of which were official between 1879 and 1967) to denote a micrometre. This practice persists in the face of official discouragement, perhaps to help disambiguate between the unit of measurement and the micrometer, a measuring device.
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