## Convert decametre to light year

 decameter light-year

How many decameter in 1 light-year? The answer is 9.4607304725808E+14. We assume you are converting between decametre and light year. You can view more details on each measurement unit: decameter or light-year The SI base unit for length is the metre. 1 metre is equal to 0.1 decameter, 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 decameters and light years. Type in your own numbers in the form to convert the units!

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## Definition: Decameter

A decametre (American spelling: dekameter, symbol: dam) is a measurement of distance equal to ten metres. This measure is included mostly for completeness. It very rarely has any practical application.

## 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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