How do you convert megabytes to gigabytes

1024 MB is 1GB. Another (similar) answer: Giga means billion (1,073,741,824 when referring to bytes) while Mega means million (1,048,576 when referring to bytes). Hence, a Gigabyte (Gb) is larger than a Megabyte (Mb), 1024 times larger to be exact. There are 1024 Mbs in one Gb. There is 1/1024 Gb in one Mb.