Gigabytes to Bytes Converter
Convert gigabytes to bytes instantly. 1 GB = 1.0000e+9 B. Free two-way converter with the formula and a quick reference table.
How to convert gigabytes to bytes
bytes = gigabytes × 1.0000e+9
One gigabyte equals 1.0000e+9 bytes, so to convert gigabytes to bytes you multiply by 1.0000e+9. Going the other way, one byte is 1.0000e-9 gigabytes. Both units measure digital storage, so the conversion is an exact ratio that never changes.
10 gigabytes = 1.0000e+10 bytes. Multiply your gigabyte figure by the factor above (or just type it into the box) to convert any amount.
gigabytes to bytes table
| gigabytes (GB) | bytes (B) |
|---|---|
| 1 | 1.0000e+9 |
| 2 | 2.0000e+9 |
| 3 | 3.0000e+9 |
| 5 | 5.0000e+9 |
| 10 | 1.0000e+10 |
| 20 | 2.0000e+10 |
| 25 | 2.5000e+10 |
| 50 | 5.0000e+10 |
| 100 | 1.0000e+11 |
| 250 | 2.5000e+11 |
| 500 | 5.0000e+11 |
| 1,000 | 1.0000e+12 |
Frequently asked questions
How many bytes are in a gigabyte?
One gigabyte equals 1.0000e+9 bytes. So to convert, multiply the number of gigabytes by 1.0000e+9.
How do I convert gigabytes to bytes?
Multiply by 1.0000e+9, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
These use the decimal (1000-based) definitions used by storage makers and networks; operating systems sometimes show binary (1024-based) values, which differ slightly.