How to convert bytes to gigabytes
To convert bytes to gigabytes, multiply by 1e-9. Data size conversions matter for file uploads, cloud storage plans, hard drives and internet usage. Decimal (SI) prefixes are used: 1 KB = 1,000 bytes.
Byte to Gigabyte conversion table
| Byte (B) | Gigabyte (GB) |
|---|---|
| 0.1 B | 1e-10 GB |
| 0.5 B | 5e-10 GB |
| 1 B | 1e-9 GB |
| 2 B | 2e-9 GB |
| 3 B | 3e-9 GB |
| 4 B | 4e-9 GB |
| 5 B | 5e-9 GB |
| 10 B | 1e-8 GB |
| 20 B | 2e-8 GB |
| 25 B | 2.5e-8 GB |
| 50 B | 5e-8 GB |
| 100 B | 1e-7 GB |
| 500 B | 5e-7 GB |
| 1,000 B | 0.000001 GB |
About the units
Byte (B)
A byte is 8 bits and typically stores one character of text.
Gigabyte (GB)
A gigabyte is 1,000,000,000 bytes and the common unit for phone storage and data plans.
How to use this converter
- Type the number of bytes (B) in the input box.
- The result in gigabytes appears instantly — no button needed.
- See the same value in every other data storage unit just below.
- Use “Swap units” to convert gigabytes back to bytes.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many gigabytes are in one byte?
One byte equals 1e-9 gigabytes. 1e-9 is the exact factor used by this converter.
How do I convert bytes to gigabytes?
Multiply the value in bytes by 1e-9. To go the other way, multiply gigabytes by 1,000,000,000.
What is 10 B in GB?
10 B = 1e-8 GB. Also, 5 B = 5e-9 GB and 100 B = 1e-7 GB.
What is the difference between a byte and a gigabyte?
A byte is 8 bits and typically stores one character of text. A gigabyte is 1,000,000,000 bytes and the common unit for phone storage and data plans.
Is this tool free and private?
Yes — the Byte to Gigabyte is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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