Convert Kiloparsec (kpc) to Chain (US Survey) (ch (US)) instantly.
About these units
Kiloparsec (kpc)
A kiloparsec, equal to 1,000 parsecs, is used to express distances on the scale of large stellar groups, spiral arm structures, and galactic dimensions. The Milky Way, for instance, spans roughly 30 kpc in diameter, and the Sun is located about 8 kpc from the galactic center. Kiloparsecs provide a natural scale for modeling galactic rotation curves, star cluster distributions, and gravitational interactions between galactic features. Using parsecs alone would result in very large numbers, while megaparsecs would be too large for most galactic phenomena. The unit is essential in cosmology and astrophysics, where researchers examine interstellar distances, halo sizes, and the spatial arrangement of star-forming regions. The kpc helps create an intuitive sense of the Milky Way's architecture and the scale of galactic environments.
Chain (US Survey) (ch (US))
The US Survey Chain is defined as 66 US Survey Feet (~20.1168 meters), aligning with the historic Gunter's chain but adapted to the US survey foot. It is used primarily in cadastral surveys, property delineation, and historical land records. Surveyors employ the chain for practical measurements of fields, lots, and infrastructure layouts. The unit's subdivision into 100 links simplifies area calculation, as 10 square chains equal one acre, maintaining continuity with older surveying systems. Even today, engineers and surveyors working with legacy data encounter the US survey chain in historical deeds, maps, and legal descriptions. Its precision ensures consistency when reconciling pre-modern measurements with modern coordinates.