gigabytes to bytes
Convert gigabyte (decimal) to byte — instant, free, with the formula shown.
How to convert gigabyte (decimal) to byte
To convert gigabyte (decimal) to byte, multiply by 1000000000:
For example, 10 GB × 1000000000 = 10000000000 B.
GB to B conversion table
| gigabytes (GB) | bytes (B) |
|---|---|
| 1 GB | 1000000000 B |
| 2 GB | 2000000000 B |
| 5 GB | 5000000000 B |
| 10 GB | 10000000000 B |
| 25 GB | 25000000000 B |
| 50 GB | 50000000000 B |
| 100 GB | 100000000000 B |
| 250 GB | 250000000000 B |
| 500 GB | 500000000000 B |
| 1000 GB | 1.0000e+12 B |
Other gigabyte (decimal) conversions
Convert to byte from another unit
GB to B — frequently asked
How many bytes are in 1 gigabyte (decimal)?
1 gigabyte (decimal) = 1000000000 bytes (GB × 1000000000 = B).
What is the formula to convert gigabyte (decimal) to byte?
Multiply your gigabyte (decimal) value by 1000000000 to get byte.
How do I convert 10 gigabytes to bytes?
10 GB = 10000000000 B. For 100 GB the answer is 100000000000 B. Use the calculator on this page for any other value.
When to convert gigabyte (decimal) to byte
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.