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Light-years to kilometers (ly to km) Metric conversion calculator

Welcome to our light-years to kilometers (ly to km) conversion calculator. You can enter a value in either the light-years or kilometers input fields. For an understanding of the conversion process, we include step by step and direct conversion formulas. If you'd like to perform a different conversion, just select between the listed Length units in the 'Select between other Length units' tab below or use the search bar above. Tip: Use the swap button to switch from converting light-years to kilometers to kilometers to light-years.

light-years (ly)

kilometers (km)

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1 ly = 9 km1 km = 0 ly

Algebraic Steps / Dimensional Analysis Formula
ly *3.7221476203E+17 in
1 ly
*2.54 cm
1 in
*1 km
100000 cm
= km

Direct Conversion Formula
ly *9 km
1 ly
= km

centimeters 0
feet 0
inches 0
kilometers 0
light-years 0
meters 0
miles 0
nautical miles 0
yards 0
If you would like to switch between Length units, select from the tables below

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