Light Years to Micrometers

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ly
um
1 ly = — um

Quick reference

Light Years (ly)Micrometers (um)

Formula

Micrometers = light years × 9.461e+21

Multiply the light years value by 9.461e+21 to get micrometers. To reverse — divide micrometers by 9.461e+21 to get light years.

About this conversion

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

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 →

Source: NIST International Reference