A "kiloyard" is not a commonly used unit of measurement, and it is not part of the International System of Units (SI). In everyday conversation and most scientific contexts, the yard is used as a unit of length in some countries, primarily the United States and the United Kingdom. One yard is equal to 3 feet or 36 inches.
The prefix "kilo-" typically denotes a factor of 1,000. So, a "kiloyard" would theoretically be 1,000 yards. However, this term is not standard in any established system of measurement and is unlikely to be encountered in practical use. If you need to express a length of 1,000 yards, it's more common to simply say "1,000 yards" or "one thousand yards" rather than using the term "kiloyard."
The "archin" is an obsolete unit of length that was historically used in Russia and other parts of the former Soviet Union. The length of an archin varied by region and over time, but it was typically around 28 inches or approximately 71 centimeters. In some regions, an archin could be slightly shorter or longer.
The archin was used for measuring cloth, textiles, and sometimes land. Like many traditional units of measurement, it has largely been replaced by more standardized systems, such as the metric system, in modern times. While the archin is no longer commonly used for official measurements, it may still be encountered in historical or traditional contexts in Russia and other former Soviet states.