Convert length and distance units — meters, feet, inches, kilometers, miles, light years and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 pc | 3.086e+13 m | |
| 0.01 pc | 3.086e+14 m | |
| 0.1 pc | 3.086e+15 m | |
| 1 pc | 3.086e+16 m | |
| 5 pc | 1.543e+17 m | |
| 10 pc | 3.086e+17 m | |
| 50 pc | 1.543e+18 m | |
| 100 pc | 3.086e+18 m | |
| 1000 pc | 3.086e+19 m |
Multiply the number of Parsecs by 3.086×1016 to get Meters. Formula: m = pc × 3.086×1016. Example: 10 pc × 3.086×1016 = 3.086×1017 m. To reverse, divide Meters by 3.086×1016 to get Parsecs.
| Parsec (pc) | Meter (m) |
|---|---|
| 0.001 pc | 3.086×1013 m |
| 0.01 pc | 3.086×1014 m |
| 0.1 pc | 3.086×1015 m |
| 0.5 pc | 1.543×1016 m |
| 1 pc | 3.086×1016 m |
| 2 pc | 6.172×1016 m |
| 5 pc | 1.543×1017 m |
| 10 pc | 3.086×1017 m |
| 20 pc | 6.172×1017 m |
| 50 pc | 1.543×1018 m |
| 100 pc | 3.086×1018 m |
| 250 pc | 7.715×1018 m |
| 500 pc | 1.543×1019 m |
| 1000 pc | 3.086×1019 m |
| 10000 pc | 3.086×1020 m |
To convert Parsec to Meter, multiply by 3.086×1016. Example: 10 pc = 3.086×1017 m
To convert Meter back to Parsec, divide by 3.086×1016 (multiply by 3.2404×10-17). Use the swap button above.
Start with 100 Parsecs = 3.086×1018 m as your reference point. Scale up or down from there.
1 pc = 3.0857×10¹⁶ m exactly. This SI definition is the foundation for all parsec-based calculations in SI-consistent physics. Every cosmological equation, gravitational physics calculation, and astrophysical simulation that uses parsecs relies on this conversion.
LIGO arm lengths are 4,000 m while gravitational wave source distances are at megaparsec scales. Physicists convert parsec source distances to metres for strain amplitude calculations — h = (2GM/rc²)(v/c)² requires r in metres.
The Hubble constant H₀ is measured in km/s/Mpc — relating recession velocity (km/s) to distance in megaparsecs. Converting Mpc to metres for SI-consistent cosmological equations requires parsec-to-metre conversion.
N-body cosmological simulations use comoving coordinates in megaparsecs while computing gravitational forces in SI units (metres, seconds, kilograms). Converting between parsec-scale positions and metre-scale physics is embedded in every cosmological code.
1 pc = 3.086×10¹⁶ m — 30 quadrillion metres. Educators use parsec-to-metre to define the parsec in SI terms: "A parsec is 30 quadrillion metres — or 30 petametres in SI prefix notation."
Gaia astrometry measures stellar positions to microarcsecond precision, corresponding to metre-scale position uncertainties at parsec distances. Converting parsec distances to metres quantifies the physical measurement uncertainty.
The Parsec is a unit of Length measurement (symbol: pc). 1 pc = 3.086×1016 m. Used in scientific and practical Length measurement applications.
The Meter is a unit of Length measurement (symbol: m). It is part of an internationally recognised measurement system used alongside the Parsec.
The parsec was introduced in 1913 by British astronomer Herbert Hall Turner, who needed a practical unit for expressing stellar distances measured by parallax. The name is a portmanteau of 'parallax' and 'arcsecond' — a parsec is the distance at which one astronomical unit (the Earth-Sun distance) subtends an angle of exactly one arcsecond. This geometric definition makes parsecs directly useful: a star with a measured parallax of 1 arcsecond is exactly 1 parsec away, requiring no intermediate conversion. 1 parsec equals approximately 3.086×10¹³ kilometres or 3.262 light-years. Professional astronomers overwhelmingly prefer parsecs over light-years because parallax astrometry — the primary distance measurement tool — yields distances in parsecs directly.
The metre was born from the French Revolution's desire for a rational universal standard. In 1791 the French Academy of Sciences defined it as one ten-millionth of the distance from the equator to the North Pole. In 1983, it was redefined using the speed of light — exactly the distance light travels in 1/299,792,458 of a second.
Common use: Parsec to Meter conversion is needed when working with international standards, scientific publications, or reference materials that use different unit systems for Length measurement.