GB to bytes Converter
1 GB = 1e+9 B. Enter a value. The result updates immediately.
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Accuracy and rounding
For storage calculations that need the raw byte count.
Decimal data units use powers of 1000, while binary units such as KiB, MiB, and GiB use powers of 1024.
For storage estimates, two decimals are readable. For byte-level checks, use the raw bytes value from the calculator.
How to convert GB to bytes
- Enter the value in GB.
- Select GB as the source unit.
- Select bytes as the target unit.
- Read or copy the result.
GB to bytes chart
| GB | bytes |
|---|---|
| 1 GB | 1e+9 B |
| 2 GB | 2e+9 B |
| 5 GB | 5e+9 B |
| 10 GB | 1e+10 B |
| 25 GB | 2.5e+10 B |
| 50 GB | 5e+10 B |
| 100 GB | 1e+11 B |
Formula
B = GB x 1e+9
Example: 1 GB = 1e+9 B.
Source
Decimal SI prefixes and binary 1024-based prefixes for digital storage.
Common questions
How do I convert GB to bytes?
Enter the GB value in the converter, or multiply by the factor shown in the formula. 1 GB = 1e+9 B.
What should I watch out for?
Decimal storage units use powers of 1000; binary units such as MiB and GiB use powers of 1024.
Where does this digital conversion come from?
Decimal SI prefixes and binary 1024-based prefixes for digital storage. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.