Convert Light year to Kilometer
Light year
A light year (ly) is a unit of distance used in astronomy to measure vast distances in space. It is defined as the distance that light travels in a vacuum in one year. One light year is approximately 9.4607 trillion kilometers or 5.879 trillion miles.
The concept of the light year was introduced in the 19th century as a practical way to describe the immense distances between stars and other celestial objects. Since light travels at a constant speed of about 299,792 kilometers per second (or 186,282 miles per second), it covers a large distance in one year. The light year became an essential unit of measurement in astronomy, especially as telescopes and space exploration expanded our understanding of the universe. By using light years, astronomers can more easily convey the enormous distances involved, as opposed to using conventional units like kilometers or miles, which would result in extremely large numbers.
Kilometer
The kilometer (km) is a unit of length or distance in the metric system, equal to 1,000 meters. It is commonly used around the world to measure geographical distances, travel distances, and the lengths of roads or tracks.
The kilometer is derived from the meter, the base unit of length in the International System of Units (SI). The term "kilometer" comes from the Greek prefix "kilo-", meaning thousand, and "meter", meaning measure. The kilometer was introduced in the 18th century during the development of the metric system in France, which aimed to standardize measurements across different fields. Since then, the kilometer has been widely adopted globally for everyday use, particularly in countries that utilize the metric system for length measurement.
Convert Light year to other length-converter units
1 Light year = 9460660000000 Kilometer
1 Light year = 9460660000000000 Meter
1 Light year = 946066000000000000 Centimeter
1 Light year = 9460660000000000000 Millimeter
1 Light year = 9.46066e+21 Micrometer
1 Light year = 9.460659999e+24 Nanometer
1 Light year = 5878559666946 Mile
1 Light year = 10346303587051618 Yard
1 Light year = 31038910761154856 Feet
1 Light year = 372466929133858300 Inch
1 Light year = 1 Light year
1 Light year = 9.46066e+21 Micron
1 Light year = 5108385784330 Nautical Mile