How many milliastronomical unit in 1 light-year? The answer is 63241077.084266. We assume you are converting between milliastronomical unit and light year. You can view more details on each measurement unit: milliastronomical unit or light-year The SI base unit for length is the metre. 1 metre is equal to 6.6845871222684E-9 milliastronomical unit, or 1.0570008340246E-16 light-year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between milliastronomical units and light years. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from light-year to milliastronomical unit, or enter any two units below:
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
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