**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 3.24077927001E-17 parsec.

Valid units must be of the **length** type.

You can use this form to select from known units:

I'm feeling lucky, show me some random 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.

parsec to royal foot

parsec to mile [Britain, ancient]

parsec to linear foot

parsec to cubit [Egyption]

parsec to ken [Japan]

parsec to quarter [cloth]

parsec to rope

parsec to township

parsec to faden [Switzerland]