length · South Asia · Historical–modern

kos

variant

Record: M211
Definition quality: Variant-dependent
Conversion mode: variant selection
Calculator: Variant selection required

Never label 3.6576 km as universal kos.

Definition

Government observatory reference gives 2000 danda = 1 krośa = 4000 yd; other traditions differ.

Reference value

One reference: 4000 yd

Modern use

Modern-use scope is context-dependent; the website should follow the record's current-status and regional/system labels rather than imply universal use.

Did you know?

Kos is a perfect warning against copying one internet conversion without cultural/textual context.

Documented variants

South Asian kos / krośa (observatory reference)

length · South Asia · Historical reference

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

approx.

Sources & evidence

Source tier Tier B/C — recorded secondary/reference source · confidence Moderate

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.