💾 Digital Storage Converter

Gigabytes to Bytes
( GB → B )

Instantly convert gigabytes to bytes. Enter any value below and get an accurate result with the full formula and reference table.

Converter Tool
GB
B
Result
1 GB = 1,073,741,824 B
1073741824
B
The Formula
B = GB × 1,073,741,824
1 gigabyte = 1,073,741,824 bytes. Therefore, bytes = gigabytes × 1,073,741,824.

How to Convert Gigabytes to Bytes

To convert gigabytes to bytes, multiply the number of gigabytes by 1,073,741,824. This is because one gigabyte is defined as 1024 megabytes, each megabyte is 1024 kilobytes, and each kilobyte is 1024 bytes.

Step-by-Step Example

Let’s convert 3 gigabytes to bytes:

1. Multiply by 1,073,741,824: 3 × 1,073,741,824 = 3,221,225,472
2. So 3 GB equals 3,221,225,472 bytes.

For a smaller amount, 0.5 GB × 1,073,741,824 = 536,870,912 bytes.

When You’d Use Each Unit

Gigabytes are commonly used for large files like HD movies, software installers, and storage device capacities. Bytes are the basic unit of digital information, used for very small amounts of data. Converting between them is essential for understanding file sizes and storage capacity.

Conversion Table

Common gigabytes values converted to bytes — typical values highlighted.

Gigabytes (GB) Bytes (B) Scientific Notation
Frequently Asked Questions
How do I convert gigabytes to bytes quickly? +
Multiply the number of gigabytes by 1,073,741,824. For example, 8 GB × 1,073,741,824 = 8,589,934,592 bytes. This tool provides the precise value.
How many bytes are in a gigabyte? +
There are exactly 1,073,741,824 bytes in one gigabyte.
What is 1 gigabyte in bytes? +
1 GB = 1,073,741,824 bytes.
What is 1 byte in gigabytes? +
1 byte = 1/1,073,741,824 GB ≈ 9.3132 × 10⁻¹⁰ GB.
What is 2,147,483,648 bytes in gigabytes? +
2,147,483,648 bytes = 2 GB.
Can I convert bytes back to gigabytes with this tool? +
Yes! Just type a value into the bytes field and the gigabytes field updates automatically. Or use the ⇄ swap button to switch directions.
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