How many dekameter in 1 gigalight-year? The answer is 9.454254955488E+23. We assume you are converting between dekametre and gigalight year. You can view more details on each measurement unit: dekameter or gigalight-year The SI base unit for length is the metre. 1 metre is equal to 0.1 dekameter, or 1.0577248071986E-25 gigalight-year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between dekameters and gigalight years. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from gigalight-year to dekameter, or enter any two units below:
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.
One gigalight-year, abbreviation "Gly", is one billion light-years — one of the largest distance measures used. One gigalight-year equals 306.601 million parsecs, or roughly one-thirteenth the distance to the horizon of the observable universe (dictated by the cosmic background radiation). Gigalight-years are typically used to measure distances to supergalactic structures, such as clusters of quasars or the Great Wall.
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