# Light-years to Kilometers

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vCalc.Light-years to Kilometers
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The Light-years to Kilometers calculator converts a measurement of length in light-years to kilometers and other units.

INSTRUCTIONS: Choose units and enter the following:

• (LY)  This is the distance in light-years

Kilometers from Light-Years(LY):  The calculator returns the distance in kilometers (km).  However, this can be automatically converted to other units via the pull-down menu.

#### The Math / Science

A light-year is the distance traveled at the speed of light in one year.