9.4608853 trillion km = 5.8787278 trillion miles
1 light second = 299792.458 km. 1 year = 365.256363 X 24 X 60 X 60 seconds. The product is ly in km. Use 1 mile = 1.609344 km, for conversion.
9.4608853 trillion km = 5.8787278 trillion miles
1 light second = 299792.458 km. 1 year = 365.256363 X 24 X 60 X 60 seconds. The product is ly in km. Use 1 mile = 1.609344 km, for conversion.