Chain
A chain is a unit of length. A chain measures generally between 60 and 100 feet. If not otherwise qualified, the chain as a unit normally refers to the English unit chain, also called a Gunter's chain. This is defined as 66 feet (20.1168 metres). It is also known as the surveyor's chain or land chain.
Metric
- Kilometre (km)0.02
- Metre (m)20.12
- Decimetre (dm)201.17
- Centimetre (cm)2,011.68
- Millimetre (mm)20,116.8
- Micrometre (µm)20,116,800
- Nanometre (nm)2.01×10¹⁰
- Angstrom (Å)2.01×10¹¹
Nautical
- Nautical mile0.01
- Fathom11
Astronomical
- Parsec (pc)6.52×10⁻¹⁶
- Light year2.13×10⁻¹⁵
- Astronomical unit (AE)1.34×10⁻¹⁰
- Light minute1.12×10⁻⁹
- Light second6.71×10⁻⁸