Megabyte (MB) to Gigabyte (GB) Converter
Enter a value to instantly convert between data storage units.
1 Megabyte = 0.001 Gigabyte
Key Formulas
Megabyte → Gigabyte
GB = MB × 0.001Gigabyte → Megabyte
MB = GB × 1000Gigabyte → Terabyte
TB = GB × 0.001Terabyte → Gigabyte
GB = TB × 1000Formula
GB = MB × (1000000 / 1000000000)A megabyte is one thousandth of a gigabyte, so divide megabytes by 1,000 to get gigabytes. For example, 512 MB is 0.512 GB. Mobile data plans, app downloads, and game patches mix MB and GB, and this conversion puts them on one scale. Memory modules follow a binary count, where 1 GiB is 1,024 MiB. The data converter offers those binary units when you need to match a memory spec.
Source: NIST: decimal prefixes and explicit binary prefixes; 1 byte = 8 bits
Reviewed by the Convert Calc editorial team · Last reviewed: · see our methodology
Frequently Asked Questions
Real-World Examples
A 1024 MB video export is 1.024 GB on a storage report.
1024 MB = 1.024 GB
A 500 MB app download uses 0.5 GB of a mobile data plan.
500 MB = 0.5 GB
A 2048 MB game update needs 2.048 GB of free space.
2048 MB = 2.048 GB
A 100 MB podcast archive is 0.1 GB, a tenth of a gigabyte.
100 MB = 0.1 GB