Light-years to meters Converter

This page allows you to convert length values expressed in light-years to their equivalent in meters.

Enter the value in light-years in the top field (the one marked "ly"), then press the "Convert" button or the "Enter" key. The converter also works the other way round: if you enter the value in meters in the "m" field, the equivalent value in light-years is calculated and displayed in the top field.

Light-year

The light-year is the distance light travels in vacuum in one year. It's equivalent to approximately 9,460,730,472,580.8 km.

Meter

Meter is the basic unit of length in the metric system. The official definition of meter, since 1983 is: the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.