Convert gigabytes to bytes
1 GB = 1000000000 B — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1 000 000 000B
Exact decimal: 1000000000
1 GB = 1000000000 B
How to convert gigabytes to bytes
Multiply the number of gigabytes by 1000000000 to get bytes.
The exact factor is 1000000000 .
Gigabyte to Byte conversion table
| Gigabytes (GB) | Bytes (B) |
|---|---|
| 1 GB | 1 000 000 000 |
| 2 GB | 2 000 000 000 |
| 3 GB | 3 000 000 000 |
| 5 GB | 5 000 000 000 |
| 10 GB | 10 000 000 000 |
| 20 GB | 20 000 000 000 |
| 25 GB | 25 000 000 000 |
| 50 GB | 50 000 000 000 |
| 100 GB | 100 000 000 000 |
| 250 GB | 250 000 000 000 |
| 500 GB | 500 000 000 000 |
| 1000 GB | 1 000 000 000 000 |
Byte to Gigabyte conversion table
| Bytes (B) | Gigabytes (GB) |
|---|---|
| 1 B | 1e-9 |
| 2 B | 2e-9 |
| 3 B | 3e-9 |
| 5 B | 5e-9 |
| 10 B | 1e-8 |
| 20 B | 2e-8 |
| 25 B | 2.5e-8 |
| 50 B | 5e-8 |
| 100 B | 0.000 000 1 |
| 250 B | 0.000 000 25 |
| 500 B | 0.000 000 5 |
| 1000 B | 0.000 001 |
Frequently asked
How many bytes are in a gigabyte?
One gigabyte equals 1000000000 bytes (GB → B). That figure is exact, not rounded.
How do you convert gigabytes to bytes?
Multiply the number of gigabytes by 1000000000 to get bytes.
What is 1 B in gigabytes?
One byte is 1e-9 gigabytes.
What is 10 GB in B?
10 GB = 10 000 000 000 B.