gigabytes to megabytes
Convert gigabyte (decimal) to megabyte (decimal) — instant, free, with the formula shown.
How to convert gigabyte (decimal) to megabyte (decimal)
To convert gigabyte (decimal) to megabyte (decimal), multiply by 1000:
For example, 10 GB × 1000 = 10000 MB.
GB to MB conversion table
| gigabytes (GB) | megabytes (MB) |
|---|---|
| 1 GB | 1000 MB |
| 2 GB | 2000 MB |
| 5 GB | 5000 MB |
| 10 GB | 10000 MB |
| 25 GB | 25000 MB |
| 50 GB | 50000 MB |
| 100 GB | 100000 MB |
| 250 GB | 250000 MB |
| 500 GB | 500000 MB |
| 1000 GB | 1000000 MB |
Other gigabyte (decimal) conversions
Convert to megabyte (decimal) from another unit
GB to MB — frequently asked
How many megabytes are in 1 gigabyte (decimal)?
1 gigabyte (decimal) = 1000 megabytes (GB × 1000 = MB).
What is the formula to convert gigabyte (decimal) to megabyte (decimal)?
Multiply your gigabyte (decimal) value by 1000 to get megabyte (decimal).
How do I convert 10 gigabytes to megabytes?
10 GB = 10000 MB. For 100 GB the answer is 100000 MB. Use the calculator on this page for any other value.
When to convert gigabyte (decimal) to megabyte (decimal)
Data Storage conversion — common questions
Why does my hard drive show less space than advertised?
Drive manufacturers use decimal units (1 TB = 1,000 GB = 10¹² bytes), but operating systems often display binary units (1 TiB = 1,024 GiB ≈ 1.0995 TB). A '1 TB' drive shows as ~931 GiB in Windows.
What's the difference between Mb and MB?
Mb is megabits (lowercase b = bit), MB is megabytes (uppercase B = byte). 1 MB = 8 Mb. Network speeds are typically in Mbps (megabits/s), file sizes in MB.
Are KB and KiB the same?
No. KB = 1,000 bytes (decimal). KiB = 1,024 bytes (binary). The 'i' is the IEC prefix for binary.