Inch (in)
An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. Its size can vary from system to system. There are 36 inches in a yard and 12 inches in a foot. A corresponding unit of area is the square inch and a corresponding unit of volume is the cubic inch.
Metric
- Kilometre (km)2.54×10⁻⁵
- Metre (m)0.03
- Decimetre (dm)0.25
- Centimetre (cm)2.54
- Millimetre (mm)25.4
- Micrometre (µm)25,400
- Nanometre (nm)25,400,000
- Angstrom (Å)254,000,000
Nautical
- Nautical mile1.37×10⁻⁵
- Fathom0.01
Astronomical
- Parsec (pc)8.23×10⁻¹⁹
- Light year2.68×10⁻¹⁸
- Astronomical unit (AE)1.7×10⁻¹³
- Light minute1.41×10⁻¹²
- Light second8.47×10⁻¹¹