## Convert decimetre to light year

 decimeter light-year

How many decimeter in 1 light-year? The answer is 9.4607304725808E+16. We assume you are converting between decimetre and light year. You can view more details on each measurement unit: decimeter or light-year The SI base unit for length is the metre. 1 metre is equal to 10 decimeter, 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 decimeters and light years. Type in your own numbers in the form to convert the units!

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## Definition: Decimeter

A decimetre (US: decimeter; symbol: dm) is a measurement of length, measuring 10 centimetres or one-tenth of a metre.

## Definition: Light-year

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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