Free Length Converter

Light-year to kilometer.

One light-year equals 9.46073e+12 kilometer. Use this converter for quick, accurate ly to km conversions.

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Precision

Conversion formula.

1 ly = 9.46073e+12 km

To convert light-year to kilometer, multiply the value in ly by 9.46073e+12.

Quick examples

1 ly = 9.46073e+12 km
5 ly = 4.730365e+13 km
10 ly = 9.46073e+13 km
100 ly = 9.46073e+14 km

Light-year to Kilometer conversion table.

Light-year (ly)	Kilometer (km)
1	9.46073e+12
2	1.892146e+13
3	2.838219e+13
4	3.784292e+13
5	4.730365e+13
6	5.676438e+13
7	6.622511e+13
8	7.568584e+13
9	8.514657e+13
10	9.46073e+13
11	1.04068e+14
12	1.135288e+14
13	1.229895e+14
14	1.324502e+14
15	1.41911e+14
16	1.513717e+14
17	1.608324e+14
18	1.702931e+14
19	1.797539e+14
20	1.892146e+14

Convert the other way: Kilometer to Light-year

Related conversions.

Millimeter to Kilometer Millimeter to Light-year Centimeter to Kilometer Centimeter to Light-year Decimeter to Kilometer Decimeter to Light-year

More Light-year conversions.

ly → mm ly → cm ly → dm ly → m ly → μm ly → nm ly → in ly → ft

Frequently asked questions.

How many kilometer are in a light-year?

One light-year equals 9.46073e+12 kilometer (km).

How do I convert ly to km?

Multiply the value in ly by 9.46073e+12. For example, 10 ly = 9.46073e+13 km.

Is this conversion exact?

Yes. This converter uses the internationally defined factor: 1 ly = 9.46073e+12 km.