

Convert Kilometers to Lightyears (km to ly) ▶ Conversion Table
How to convert1 lightyear (ly) = 9.46053E+12 kilometer (km). Lightyear (ly) is a unit of Length used in Metric system. Kilometer (km) is a unit of Length used in Metric system. Lightyear: A Unit of LengthThe lightyear is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers (9.46 × 10^^{12} km), or 5.88 trillion miles (5.88 × 10^^{12} mi). As defined by the International Astronomical Union (IAU), a lightyear is the distance that light travels in a vacuum in one Julian year (365.25 days). The lightyear is most often used when expressing distances to stars and other distances on a galactic scale, especially in nonspecialist contexts and popular science publications. In this article, we will explore the definition, history, usage and conversion of the lightyear as a unit of length. Example Conversions of Lightyear to Other UnitsThe lightyear can be converted to other units of length by using different factors and formulas. Here are some examples of conversion for different types of units:
1 ly × 9.46 × 10^^{12} = 9.46 × 10^^{12} km
1 ly × 5.88 × 10^^{12} = 5.88 × 10^^{12} mi
1 ly × 63,241 = 63,241 AU
1 ly / 3.26 = 0.31 pc
1 km / 9.46 × 10^12 = 1.06 × 10^^{13} ly
1 mi / 5.88 × 10^12 = 1.70 × 10^^{13} ly
1 AU / 63,241 = 1.58 × 10^^{5} ly
1 pc × 3.26 = 3.26 ly Kilometer  Unit of Distance / LengthUnit Symbol / Abbreviation: km Where the unit used in the World: The kilometer is used as a unit used to measure distances or lengths. Definition of the Unit: The kilometer (kilometre in UK spelling) is a unit of length/distance in the metric system (SI Unit system) equivalent to one thousand meters. 1 km is equivalent to 0.62137 miles. Equivalents in other units and scales:
1 km is equivalent to 0.621371 mi. Español Russian Français 
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