Full name: parsec
Plural form: parsecs
Category type: length
Scale factor: 3.0856776E+16
The SI base unit for length is the metre.
1 metre is equal to 3.2407792700054E-17 parsec.
Valid units must be of the length type.
You can use this form to select from known units:
The parsec (symbol pc) is a unit of length used in astronomy. It stands for "parallax of one arc second", and is approximately 19,131,554,073,600 (19 trillion) miles.