Quick answer: 1 Gigabyte (GB) in Byte (B)
1 GB equals 1073741824 B. To convert Gigabyte (GB) to Byte (B), multiply by 1073741824 using the free calculator above — no signup needed.
Digital Data & Storage units
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About Digital Data & Storage Converter
The Digital Data & Storage Converter converts between 9 different units, including Byte (B), Bit (b), Kilobyte (KB), Megabyte (MB), Gigabyte (GB). The base unit is the Byte (B), and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Byte (B) = 8 Bit (b), 0.000976563 Kilobyte (KB), 0.00000095367431640625 Megabyte (MB).
Scale of this category: the smallest unit is the Bit (b) (b) and the largest is the Petabyte (PB) (PB).
Last updated: 2026-09-15
Digital Data & Storage conversion factors
| Unit | Symbol | Value in Byte (B) |
|---|---|---|
| Byte (B) | B | 1 B = 1 B |
| Bit (b) | b | 1 b = 0.125 B |
| Kilobyte (KB) | KB | 1 KB = 1024 B |
| Megabyte (MB) | MB | 1 MB = 1048576 B |
| Gigabyte (GB) | GB | 1 GB = 1073741824 B |
| Terabyte (TB) | TB | 1 TB = 1099511627776 B |
| Petabyte (PB) | PB | 1 PB = 1125899906842624 B |
| Megabit (Mb) | Mb | 1 Mb = 131072 B |
| Gigabit (Gb) | Gb | 1 Gb = 134217728 B |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Gigabyte (GB) in Byte (B)?
- Multiply 1 by the conversion factor 1073741824
- 1 Gigabyte (GB) = 1073741824 Byte (B)
How much is 5 Gigabyte (GB) in Byte (B)?
- Multiply 5 by the conversion factor 1073741824
- 5 Gigabyte (GB) = 5368709120 Byte (B)
How much is 25 Gigabyte (GB) in Byte (B)?
- Multiply 25 by the conversion factor 1073741824
- 25 Gigabyte (GB) = 26843545600 Byte (B)
Quick Conversion Reference Table
| Gigabyte (GB) (GB) | Byte (B) (B) |
|---|---|
| 1 GB (Gigabyte (GB)) | 1073741824 B (Byte (B)) |
| 2 GB (Gigabyte (GB)) | 2147483648 B (Byte (B)) |
| 5 GB (Gigabyte (GB)) | 5368709120 B (Byte (B)) |
| 10 GB (Gigabyte (GB)) | 10737418240 B (Byte (B)) |
| 20 GB (Gigabyte (GB)) | 21474836480 B (Byte (B)) |
| 50 GB (Gigabyte (GB)) | 53687091200 B (Byte (B)) |
| 100 GB (Gigabyte (GB)) | 107374182400 B (Byte (B)) |
| 500 GB (Gigabyte (GB)) | 536870912000 B (Byte (B)) |
| 1000 GB (Gigabyte (GB)) | 1073741824000 B (Byte (B)) |
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How to Use This Converter
- Enter your value
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FAQ
How much is 1 Gigabyte (GB) in Byte (B)?
1 Gigabyte (GB) = 1073741824 Byte (B).
How do I convert Gigabyte (GB) to Byte (B)?
Enter your value in Gigabyte (GB) into the converter above and the result in Byte (B) appears instantly. 1 GB equals 1073741824 B — just multiply your value by 1073741824.
What is the formula for Gigabyte (GB) to Byte (B)?
The formula is: value in Byte (B) = value in Gigabyte (GB) × 1073741824. For example, 5 GB × 1073741824 = 5368709120 B.
Is this Gigabyte (GB) to Byte (B) converter free and accurate?
Yes. This Gigabyte (GB) to Byte (B) converter is 100% free, uses the exact international conversion factor (1073741824), and works on any device with no signup.
How do I convert Byte (B) back to Gigabyte (GB)?
To convert back, divide by 1073741824 (or multiply by 0.000000000931322574615478). You can also use our dedicated How Many Gigabyte (GB) in 1 Byte (B)? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Digital Data & Storage units are supported?
This converter supports 9 units: Byte (B), Bit (b), Kilobyte (KB), Megabyte (MB), Gigabyte (GB), Terabyte (TB), Petabyte (PB), Megabit (Mb), Gigabit (Gb).