length · South Asia · Historical reference

South Asian kos / krośa (observatory reference)

approx.

Variant of kos

Record: M528
Definition quality: Historically documented reference
Conversion mode: multiplicative
Calculator: Approximately calculable

Definition

One South Asian kos / krośa (observatory reference) is understood to be about 3,658 metres.

Reference value

One South Asian kos / krośa (observatory reference) is understood to be about 3,658 metres.

Modern use

Retained primarily for historical, educational, or reference use rather than as a current standardized calculator unit.

Did you know?

Traditional Indian length tables link the big travel units hierarchically: 2,000 dandas make a krośa and 4 krośas make a yojana in the Līlāvatī tradition.

Sources & evidence

Source tier Tier A — government / museum / authoritative institutional source · confidence Moderate

Trivia — https://anvesana.sljol.info/articles/1/files/671b9c7b16e8d.pdf

Related measurements

metre

length · International · Modern

SI base unit of length. Its definition fixes the speed of light in vacuum at exactly 299,792,458 m/s, with the second defined from the caesium-133 hyperfine frequency.