Chi (Chinese) to Miles (chi to mi)

1 chi (Chinese) equals 0.0002071237307 miles (rounded).

1 chi (Chinese) = 0.0002071237307 miles

How to convert chi (Chinese) to miles

To convert chi (Chinese) to miles, multiply the number of chi (Chinese) by 0.0002071237307. The factor is rounded to 10 significant digits. To go the other way, multiply miles by 4,828.032.

miles = chi (Chinese) × 0.0002071237307

Example: 10 chi (Chinese) = 0.002071237307 miles.

About these units

Chi (Chinese) (chi)

ChineseTraditional unit (still used in some regions)

The Chinese foot, one third of a meter in the modern market system. Ancient chi were much shorter, around 23 cm in the Han dynasty.

Span of the hand between thumb tip and forefinger tip is the origin usually given for the chi, which appeared in the Shang dynasty roughly three thousand years ago. Its size drifted for centuries. Surviving rulers and bronze standards suggest about 23 cm under the Qin and Han, and tables list values between roughly 17 and 20 cm for the Shang and Western Zhou. By the Qing, figures between about 31 and 36 cm were in use depending on trade and region.

A British report of 1864 shows how messy the later situation was: engineers' public works used about 32.3 cm, surveyors about 30.6 cm, and Guangzhou merchants about 37 cm. Republican China fixed the unit against the meter, and the figure used here is the modern market chi of exactly one third of a meter, about 33.3 cm. Ten cun make one chi and ten chi make one zhang. Hong Kong's chek is longer at 0.371475 m, and Taiwan follows the Japanese shaku.

1 chi (Chinese) = 0.3333333333 meters (approximately).

Sources: Wikipedia: Chi (unit); Wikipedia: Chinese units of measurement

Mile (mi)

US & ImperialCurrent unit

5,280 feet or 1,760 yards, exactly 1,609.344 meters. This is the statute (international) mile used on US and UK roads.

A thousand paces gave the mile its name. It descends from the Latin mille passus, the Roman mile, by way of Old English mil and Middle English myle. For centuries after Rome, miles of many lengths coexisted; a sixteenth-century Mercator map, for example, shows small, medium and large Flemish miles on a single scale bar. The English statute mile was fixed by an Act of Parliament under Elizabeth I in 1593, which declared that a mile contains eight furlongs, or 5,280 feet.

The 1959 international yard and pound agreement made that mile exactly 1,609.344 meters. A slightly longer US survey mile, about 1,609.347 meters, lingered in American land surveys and was slated for retirement from 1 January 2023. Today the mile is the road unit of the United Kingdom, the United States, Liberia and Myanmar, along with several territories such as the Bahamas, Belize, Guam and the US Virgin Islands. In Canada it survives chiefly in rail transport and horse racing.

1 mile = 1,609.344 meters (exactly).

Sources: Wikipedia: Mile; Wikipedia: Foot (unit); NIST Guide to the SI, Appendix B.8: conversion factors

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