Cun (unit)
Cun (unit)
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Cun | |||||||||
| Chinese name | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chinese | 寸 | ||||||||
| |||||||||
| Japanese name | |||||||||
| Kanji | 寸 | ||||||||
| Kana | すん | ||||||||
| |||||||||
| Korean name | |||||||||
| Hangul | 치 | ||||||||
| Hanja | n/a | ||||||||
| |||||||||
| Alternate Korean name | |||||||||
| Hangul | 촌 | ||||||||
| Hanja | 寸 | ||||||||
| |||||||||
| Cun | |
|---|---|
 Wooden ruler of the western Han dynasty, unearthed at Jinguan Pass Site in Jinta County | |
| Unit information | |
| Unit system | Chinese unit |
| Unit of | length |
| Unit conversions | |
| 1 cun in ... | ... is equal to ... |
metric (SI) units | 1/30 m ~33.33 mm |
imperial/US units | ~0.10936 ft ~1.3123 in |
| Tsun | |
|---|---|
 A section of an old Hong Kong ruler, showing the last (10th) cun of a chi. One can see that the chi in that jurisdiction was exactly equal to 14 5/8 of an inch. A metric ruler is shown next to it for comparison | |
| Unit information | |
| Unit system | Chinese unit |
| Unit of | length |
| Unit conversions | |
| 1 tsun in ... | ... is equal to ... |
metric (SI) units | 6998371475000000000♠0.0371475 m ~37.15 mm |
imperial/US units | 0.121875 ft 1 37/80 in |
| Sun | |
|---|---|
| Unit system | Japanese unit |
| Unit of | length |
| Unit conversions | |
| 1 sun in ... | ... is equal to ... |
metric (SI) units | 1⁄33 m ~30.30 mm |
imperial/US units | ~0.099419 ft ~1.1930 in |
The cun (Chinese: 寸; pinyin: cùn; Wade–Giles: ts'un; Japanese: sun; Korean: chon), often glossed as the Chinese inch, is a traditional Chinese unit of length. Its traditional measure is the width of a person's thumb at the knuckle, whereas the width of the two forefingers denotes 1.5 cun and the width of four fingers (except the thumb) side-by-side is three cuns.[1] In this sense it continues to be used to chart acupuncture points on the human body in various uses of traditional Chinese medicine.
The cun was part of a larger system, and represented one-tenth of a chi ("Chinese foot"). In time the lengths were standardized, although to different values in different jurisdictions. (See chi (unit) for details.)
In Hong Kong, using the traditional standard, it measures ~3.715 cm (~1.463 in) and is written "tsun".[2] In the twentieth century in the Republic of China, the lengths were standardized to fit with the metric system, and in current usage in People's Republic of China and Taiwan[citation needed] it measures 3 1⁄3 cm (~1.312 in).
In Japan, the corresponding unit, sun (寸（すん）), was standardized at 1000⁄33 mm (~3.030 cm, ~1.193 in, or ~0.09942 ft).
See also[edit]
- shaku
References[edit]
^ "TCM Student: Cun Measurements". www.tcmstudent.com. Retrieved 2018-02-10..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
^ Cap. 68 WEIGHTS AND MEASURES ORDINANCE
External links[edit]
 | Look up 寸 or tsun in Wiktionary, the free dictionary. |
- Cun measurements
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Categories:
- Units of length
- Human-based units of measurement
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