Convert 1 kilometer to light-second

1 km (kilometer) is equal to 0.0000033356409521360553 light-second. To convert from kilometer to light-second, multiply by 0.0000033356409521360553 or divide by 299,792.4579861111.

• 1 km × 3.3356409521361E-6 = 3.3356409521361E-6 light-second
• 1 km ÷ 299792.45798611 = 3.3356409521361E-6 light-second