Length converter
Parsec Converter
Convert parsecs to light-years for astronomical and cosmological distances.
From
To
Result
1 pc = 3.261564 ly
Also equals
3.085678e+16m
1.012361e+17ft
1.214834e+18in
3.085678e+18cm
3.085678e+13km
1.917351e+13mi
3.085678e+19mm
3.374538e+16yd
Conversion formula
ly = pc × 3.2615637771 parsec equals 3.2615638 ly.
Parsec to Light-year table
| Parsec (pc) | Light-year (ly) |
|---|---|
| 0.01 | 0.032616 |
| 0.1 | 0.326156 |
| 1 | 3.261564 |
| 2 | 6.523128 |
| 3 | 9.784691 |
| 5 | 16.307819 |
| 10 | 32.615638 |
| 20 | 65.231276 |
| 50 | 163.078189 |
| 100 | 326.156378 |
| 1,000 | 3,261.563777 |
About this conversion
This converter uses the displayed definition for parsec and its recognized relationship to light-year. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
Popular Length conversions
Convert Parsec to other length units
Parsec to NanometerParsec to PicometerParsec to MicrometerParsec to MillimeterParsec to CentimeterParsec to DecimeterParsec to MeterParsec to DekameterParsec to HectometerParsec to KilometerParsec to MegameterParsec to GigameterParsec to TerameterParsec to PetameterParsec to ExameterParsec to InchParsec to FootParsec to YardParsec to MileParsec to Nautical MileParsec to FurlongParsec to ChainParsec to RodParsec to Statute LeagueParsec to Astronomical UnitParsec to Light-yearParsec to KiloparsecParsec to MegaparsecParsec to FemtometerParsec to AttometerParsec to AngstromParsec to Bohr RadiusParsec to X-unitParsec to FermiParsec to Planck LengthParsec to Electron RadiusParsec to Nautical Mile (UK)Parsec to Nautical League (Int.)Parsec to Nautical League (UK)Parsec to Statute LeagueParsec to Mile (Statute)Parsec to Mile (Roman)Parsec to KiloyardParsec to Furlong (US Survey)Parsec to Chain (US Survey)Parsec to RopeParsec to Rod (US Survey)Parsec to FathomParsec to Fathom (US Survey)Parsec to EllParsec to Foot (US Survey)Parsec to LinkParsec to Link (US Survey)Parsec to Cubit (UK)Parsec to HandParsec to Span (Cloth)Parsec to Finger (Cloth)Parsec to Nail (Cloth)Parsec to Inch (US Survey)Parsec to BarleycornParsec to Mil (Thou)Parsec to MicroinchParsec to Bohr Radius (a.u.)Parsec to PicaParsec to PointParsec to TwipParsec to AlnParsec to FamnParsec to CaliberParsec to CentiinchParsec to KenParsec to Russian ArchinParsec to Roman ActusParsec to Vara de TareaParsec to Vara ConuqueraParsec to Vara CastellanaParsec to Cubit (Greek)Parsec to Long ReedParsec to ReedParsec to Long CubitParsec to HandbreadthParsec to FingerbreadthParsec to ArpentParsec to Earth Equatorial RadiusParsec to Earth Polar RadiusParsec to Earth–Sun DistanceParsec to Sun's Radius
Frequently asked questions
How do I convert parsecs to light-years?+
Enter the parsecs value in the converter. The result uses the defined factor 3.26156377717 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
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