|
|
|
|
|
|
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
The spat (symbol S) is also an obsolete unit of distance used in astronomy. It is equal to 1000000000 kilometres (1 Tm or 1012 m). It is about 6.6846 astronomical units (AU), 1.057×10−4 light-years or3.240×10−5 parsecs.