how abundant gigabytes are used contained by a dvd disk?

how abundant gigabytes are used contained by a dvd disk?

A standard blank DVD have 4.7 GB of free space while a Blank Dual Layer DVD has 9GB ....The item about the standard Blank is that when you put background on it, it actually simply has 4.35 GB ...Also the solely way to burn a Dual Layer DVD is just if your burner supports it...
single layer is 4.7 gb
Regular DVDs can hold a bit more than 4 and duel-layers can hold a bit smaller number than 9. Regular CDs are limited to more or less 700 megabytes.