Thou (thou)
A thou, also known as a mil, is a unit of length equal to 0.001 inches (a "milli-inch" or a "thousandth of one inch"). It is sometimes used in engineering.
Metric
- Kilometre (km)2.54×10⁻⁸
- Metre (m)2.54×10⁻⁵
- Decimetre (dm)2.54×10⁻⁴
- Centimetre (cm)2.54×10⁻³
- Millimetre (mm)0.03
- Micrometre (µm)25.4
- Nanometre (nm)25,400
- Angstrom (Å)254,000
Nautical
- Nautical mile1.37×10⁻⁸
- Fathom1.39×10⁻⁵
Astronomical
- Parsec (pc)8.23×10⁻²²
- Light year2.68×10⁻²¹
- Astronomical unit (AE)1.7×10⁻¹⁶
- Light minute1.41×10⁻¹⁵
- Light second8.47×10⁻¹⁴