Qing (area)
Qing ({{zh|t=頃|s=顷 |p=qǐng}}) is a traditional unit of measurement for land area in China mainland. One qing is 100 mu, equals 6+2⁄3 ha or 16.47 acre.{{Cite book |last=Language Institute |first=Chinese Academy of Social Sciences |title=新华字典 （附录：计量单位简表）(Xinhua Dictionary (Appendix: Brief table of measurement units)) |publisher=The Commercial Press |year=2020 |isbn=978-7-100-17093-2 |edition=12th |location=Beijing |pages=695–697 |language=Chinese}}{{Cite web|url=http://lis.ly.gov.tw/lghtml/lawstat/version2/01926/0192618020200.htm |archive-url=https://web.archive.org/web/20140425025351/http://lis.ly.gov.tw/lghtml/lawstat/version2/01926/0192618020200.htm |url-status=dead |archive-date=2014-04-25 |title=The Weights and Measures Act (1929) |publisher=Legislative Yuan }}
Conversions
In 1929, the Nationalist government of China promulgated the Weights and Measures Act{{Cite web |url=http://law.moj.gov.tw/Eng/LawClass/LawHistory.aspx?PCode=J0100052 |title=The Weights and Measures Act: Legislative History |publisher=Ministry of Justice (Republic of China)}} to adopt the metric system as the official standard and to limit the newer Chinese units of measurement to private sales and trade. These newer "market" units are based on rounded metric numbers, and has been effective on China mainland since 1 January 1930.{{Cite web|url=http://lis.ly.gov.tw/lghtml/lawstat/version2/01926/0192618020200.htm |archive-url=https://web.archive.org/web/20140425025351/http://lis.ly.gov.tw/lghtml/lawstat/version2/01926/0192618020200.htm |url-status=dead |archive-date=2014-04-25 |title=The Weights and Measures Act (1929) |publisher=Legislative Yuan }}{{cite web|author=Britannica |title=mou: Chinese unit of measurement |publisher=Encyclopedia Britannica |date=2004-04-29 |url=https://www.britannica.com/science/mou }}
| class="wikitable"
|+ Table of Chinese area units effective since 1930 !Pinyin !Character !Relative value !Metric value !Imperial value !Notes |
| align=center|háo
|align=right|{{lang|zh|毫}} |align=right|{{frac|1000}} |align=left|{{frac|2|3}} m{{sup|2}} |align=left|7.18 sq ft |align=right| |
| align=center|lí
|align=right|{{lang|zh|釐}} (T) or {{lang|zh|厘}} (S) |align=right|{{frac|100}} |align=left|{{frac|6|2|3}} m{{sup|2}} |align=left|7.973 sq yd |align=right| |
| align=center|fēn
|align=right|{{lang|zh|市分}} |align=right|{{frac|10}} |align=left|{{frac|66|2|3}} m{{sup|2}} |align=left|79.73 sq yd |align=right| |
| align=center|{{anchor|mu}}mǔ
|align=right|{{lang|zh|畝}} (T) or {{lang|zh|亩}} (S) |align=right|1 |align=left|{{frac|666|2|3}} m{{sup|2}} |align=left|797.3 sq yd |align=right| one mu (Chinese acre) |
| align=center|qǐng
|align=right|{{lang|zh|頃}} (T) or {{lang|zh|顷}} (S) |align=right|100 |align=left|{{frac|6|2|3}} ha |align=left|16.47 acre |align=right|Chinese hide |
For more details, please see article Mu (land).