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How many kilometers in 5 lightyears? Convert 5 lightyears to kilometers with our accurate calculator. Get instant, precise results for all your conversion needs.
Conversion Formula
1 ly = 9.461e+12 kmkilometer = lightyear × 94610000000005 × 9461000000000 = 47305000000000.005 lightyear = 47305000000000.00 kilometer
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A light-year is the distance that light travels in a vacuum in one Julian year. It's approximately 9.461 trillion kilometers.
5 light-years is equal to 47,305,000,000,000 kilometers.
Kilometers become too large and unwieldy for the immense distances in space. Light-years provide a more manageable scale.
Light travels at approximately 299,792 kilometers per second.
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