All tools / Unit Converter3 gb to mb3 gb = 3,072 mbFormula1 gb = 1,024 mb, so 3 × 1,024 = 3,072Need another value? Use the full Unit ConverterOther gb → mb conversions1 gb → mb2 gb → mb5 gb → mb10 gb → mb15 gb → mb20 gb → mbReverse conversion3 mb → gbRelated conversions1 mb → gb1 kb → mb1 gb → tb1 mb → kb