Micrometers to Light Years

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um
ly
1 um = — ly

Quick reference

Micrometers (um)Light Years (ly)

Formula

Light Years = micrometers ÷ 9.461e+21

Multiply the micrometers value by 1.0569707219110031e-22 to get light years. To reverse — divide light years by 1.0569707219110031e-22 to get micrometers.

About this conversion

The micrometer (μm), also called a micron, is a metric unit equal to one millionth of a meter, used in manufacturing tolerances, cell biology and optics. Learn more →

A light year (ly) is the distance light travels in one year — approximately 9.461 trillion kilometers, used in astronomy. Learn more →

Source: NIST International Reference