Convert picometer to light-year
You are currently converting length units from picometer to light-year
Conversion base:
1 pm = 1.056970721911E-28 ly
1 ly = 9.461E+27 pm
Light-years, parsecs, astronomical units
The astronomical unit is the mean Earth–Sun distance, fixed at exactly 149,597,870.7 km: Mars orbits at 1.5 au, Neptune at 30. The light-year is the distance light travels in a Julian year, 9.46 trillion km, and the light-second 299,792 km, about three quarters of the way to the Moon. The parsec, 3.26 light-years, is the distance at which the Earth's orbit spans one second of arc, and is what astronomers actually use: the nearest star is 1.3 pc (4.2 ly) away, the centre of the Milky Way about 8 kpc.
Switch units
Starting unit
- metric length units
- very small metric units
- international mile and related units
- U.S. survey/statute units
- astronomical units
- other units
- spanish customary units
- ancient roman units of measurement
Destination unit
- metric length units
- very small metric units
- international mile and related units
- U.S. survey/statute units
- astronomical units
- other units
- spanish customary units
- ancient roman units of measurement
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