Digital storage · GB → B
Gigabytes to Bytes
Enter any value below to convert gigabytes to bytes instantly.
To
1 GB = 1e+9 B
Conversion formula
How to convert GB to B
B = GB × 1e+9
Multiply the gigabytes value by 1e+9 to get bytes. The converter keeps extra precision internally and rounds only the displayed answer.
Converting gigabytes to bytes helps compare file sizes, device storage, downloads and data-transfer limits.
Worked example
Convert 10 GB10 GB = 1e+10 B
Calculated with the published formula. No estimated exchange rates or hidden rounding.
Common gigabytes to bytes values
| Gigabytes (GB) | Bytes (B) |
|---|---|
| 1 GB | 1e+9 B |
| 5 GB | 5e+9 B |
| 10 GB | 1e+10 B |
| 25 GB | 2.500000e+10 B |
| 50 GB | 5e+10 B |
| 100 GB | 1e+11 B |
Quick answer
How many bytes are in one gigabyte?
One gigabyte equals 1e+9 B.