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| Kos (unit) | |
|---|---|
| Unit system | Arthashastra |
| Unit of | length |
| Symbol | kos |
| Conversions | |
| 1 kos in ... | ... is equal to ... |
| SI units | 3075 m[citation needed] |
| imperial/US units | 1.9 mi 656 ft |
The kos (Hindi: कोस), also spelled coss, koss, kosh, koh(in Punjabi), krosh, and krosha, is a unit of measurement which is derived from a Sanskrit term, क्रोश krośa, which means a 'call', as the unit was supposed to represent the distance at which another human could be heard. It is an ancient Indian subcontinental standard unit of distance, in use since at least 4 BCE. According to the Arthashastra, a krośa or kos is about 3,000 metres (9,800 ft).[1]
Another conversion is based on the Mughal emperor Akbar, who standardized the unit to 5000 guz in the Ain-i-Akbari. The British in India standardized Akbar's guz to 33 inches (840 mm), making the kos approximately 4,191 metres (13,750 ft).[2] Another conversion suggested a kos to be approximately 2 English miles.[3]
- ^ "How many kilometers are there in one kos?". Quora. Retrieved 9 May 2023.
- ^ Yule, Henry; Burnell, A. C. (1903). Crooke, William (ed.). Hobson-Jobson : being a glossary of Anglo-India colloquial words and phrases, and of kindred terms, etymological, historical, geographical and discursive. London: John Murray. p. 261.
- ^ Prinsep, James (1840). Useful Tables, Forming an Appendix to the Journal of the Asiatic Society. Calcutta: Bishop's College Press. p. 91.