How many millimilha [Portuguese] in 1 light-hour? The answer is 517056891103.34. We assume you are converting between millimilha [Portuguese] and light hour. You can view more details on each measurement unit: millimilha [Portuguese] or light-hour The SI base unit for length is the metre. 1 metre is equal to 0.47908781679682 millimilha [Portuguese], or 9.2656693110598E-13 light-hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimilha [Portuguese] and light hours. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from light-hour to millimilha [Portuguese], or enter any two units below:
A light-hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light-hour is equal to 1,079,252,848,800 metres (~1.08 Tm).
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