| Did you mean to convert | ri [Japan] ri [Korea] |
to | micrometre |
How many ri [Korea] in 1 micrometre? 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 micrometre The SI base unit for length is the metre. 1 metre is equal to 0.0025462962962963 ri [Korea], or 1000000 micrometre. 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 micrometre = 392727272.72727 micrometre
2 ri [Korea] to micrometre = 785454545.45455 micrometre
3 ri [Korea] to micrometre = 1178181818.1818 micrometre
4 ri [Korea] to micrometre = 1570909090.9091 micrometre
5 ri [Korea] to micrometre = 1963636363.6364 micrometre
6 ri [Korea] to micrometre = 2356363636.3636 micrometre
7 ri [Korea] to micrometre = 2749090909.0909 micrometre
8 ri [Korea] to micrometre = 3141818181.8182 micrometre
9 ri [Korea] to micrometre = 3534545454.5455 micrometre
10 ri [Korea] to micrometre = 3927272727.2727 micrometre
You can do the reverse unit conversion from micrometre 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 It is also commonly known as a micron, although that term is officially outdated.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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