Astronomy Conversions

1 Light Year =
9.4607305 x 1012 Kilometers
(rounded to 8 digits)
A light year is the distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. Therefore a light year is exactly 9,460,730,472,580.8 kilometers.
A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.

Astronomy Conversion Tables

(some results are rounded)
1 Astronomical Unit =
149,597,871 kilometers
8.3167 light minutes
499.00 light seconds
1.5813 x 10-5 light years
92,955,807 miles
4.8481 x 10-6 parsecs
1 Kilometer =
6.6846 x 10-9 astronomical units
5.5594 x 10-8 light minutes
3.3356 x 10-6 light seconds
1.0570 x 10-13 light years
0.62137 miles
3.2408 x 10-14 parsecs
1 Light Minute =
0.12024 astronomical units
17,987,547 kilometers
60 light seconds
1.9013 x 10-6 light years
11,176,944 miles
5.8294 x 10-7 parsecs
1 Light Second =
0.0020040 astronomical units
299,792 kilometers
0.016667 light minutes
3.1688 x 10-8 light years
186,282 miles
9.7156 x 10-9 parsecs
1 Light Year =
63,241 astronomical units
9.4607 x 1012 kilometers
525,960 light minutes
31,557,600 light seconds
5.8786 x 1012 miles
0.30660 parsecs
1 Mile =
1.0758 x 10-8 astronomical units
1.6093 kilometers
8.9470 x 10-8 light minutes
5.3682 x 10-6 light seconds
1.7011 x 10-13 light years
5.2155 x 10-14 parsecs
1 Parsec =
206,265 astronomical units
3.0857 x 1013 kilometers
1,715,452 light minutes
102,927,125 light seconds
3.2616 light years
1.9174 x 1013 miles