Convert Parsec (pc) to Chain (US Survey) (ch (US)) instantly.
Parsec to Chain (US Survey) conversion
1 Parsec (pc) = 1533877900000000 Chain (US Survey) (ch (US)). To convert Parsec to Chain (US Survey), multiply the value by 1533877900000000.
| Parsec (pc) | Chain (US Survey) (ch (US)) |
|---|---|
| 1 | 1533877900000000 |
| 2 | 3067755700000000 |
| 5 | 7669389300000000 |
| 10 | 15338779000000000 |
| 25 | 38346946000000000 |
| 50 | 76693893000000000 |
| 100 | 153387790000000000 |
| 1000 | 1533877900000000000 |
Frequently asked questions
How many Chain (US Survey) are in one Parsec?
One Parsec (pc) equals 1533877900000000 Chain (US Survey) (ch (US)).
How do I convert Parsec to Chain (US Survey)?
To convert Parsec to Chain (US Survey), multiply the value by 1533877900000000.
What is 10 Parsec in Chain (US Survey)?
10 Parsec = 15338779000000000 Chain (US Survey).
About these units
Parsec (pc)
A parsec is equal to 3.26 light years, or approximately 3.0857 × 10¹⁶ meters. It is defined based on the method of stellar parallax, the apparent shift in a star's position caused by Earth's orbit around the Sun. Specifically, a star at a distance of one parsec exhibits a parallax angle of one arcsecond (1/3600 of a degree). Because its definition emerges directly from geometric measurement techniques, the parsec became the standard astronomical unit for professional research. Parallax-based distances are foundational to the cosmic distance ladder — the sequence of methods by which astronomers measure distances from nearby stars to the farthest galaxies. The parsec is widely used in astrophysics because calculations involving gravitational dynamics, luminosity, or galactic structure often become more intuitive in parsecs than in light years. Although less familiar to the public, it is the preferred unit in scientific publications, planetary catalogs, and distance mapping of the Milky Way.
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.