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kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.
10 days. A period of time analogous to the concept of "week", used by different societies around the world: the ancient Egyptian calendar, the ancient Chinese calendar, and also the French Republican calendar (in which it was called a décade). megasecond: 10 6 s: About 11.6 days. fortnight: 2 weeks: 14 days lunar month: 27 d 4 h 48 min – 29 ...
Length (system unit unit-code symbol or abbrev. notes sample default conversion combination output units SI: megametre: Mm Mm US spelling: megameter 1.0 Mm (620 mi) kilometre
Metric prefixes; Text Symbol Factor or; yotta Y 10 24: 1 000 000 000 000 000 000 000 000: zetta Z 10 21: 1 000 000 000 000 000 000 000: exa E 10 18: 1 000 000 000 000 000 000: peta P 10 15: 1 000 000 000 000 000: tera T
0.963–1.146 km (in case of Talmud opinion referencing a Roman mile: 1.481 km [12]) Time to walk a mil is 18–24 minutes. [14] parasa (parsa'ot) פרסה parasang: 2.41–2.85 mi 3.87–4.58 km Distance covered by an average man in a day's walk is 10 parsa'ot. Time to walk a parasa is 72–96 minutes. [14]
Légua of 20 to a degree (Maritime légua) = 5,555.56 metres; Légua of 25 to a degree = 4,444.44 metres; The names of the several léguas referred to the number of units that made the length corresponding to an angle degree of a meridian arc. For compatibility after Portugal adopted the metric system, the metric légua of 5.0 km was used.
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Metric time is the measure of time intervals using the metric system. The modern SI system defines the second as the base unit of time, and forms multiples and submultiples with metric prefixes such as kiloseconds and milliseconds. Other units of time – minute, hour, and day – are accepted for use with SI, but are not part of it