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How many miles in 10 lightyears? Convert 10 lightyears to miles with our accurate calculator. Get instant, precise results for all your conversion needs.
Conversion Formula
1 ly = 5.879e+12 mimile = lightyear × 5878792849757.41601610 × 5878792849757.416016 = 58787928497574.1610 lightyear = 58787928497574.16 mile
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One light-year is equal to approximately 5.88 trillion miles (5,878,792,849,757.41641 miles).
10 light-years is equal to 58,787,928,497,574.1641 miles, which is about 58.8 trillion miles.
Astronomers use light-years because the distances in space are so vast that using miles would result in extremely large and cumbersome numbers.
By definition, it takes light exactly 10 years to travel a distance of 10 light-years.
Explore the most popular unit conversions across different measurement systems - metric, imperial, and more.