Gigabytes to Bytes Converter
Convert digital storage from gigabytes to bytes (decimal)
Digital Storage Conversion
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Conversion Result
1 GB = 1,000,000,000 B (decimal)
Convert Gigabytes to Bytes (GB to B)
Need to convert digital storage from gigabytes to bytes? This page explains the conversion in detail, along with a conversion table, formula, and examples to help you get accurate results.
What Is a Gigabyte (GB)?
A gigabyte (GB) is a unit of digital data commonly used to measure file size, storage space, and memory capacity. In binary measurement, 1 gigabyte equals 1,073,741,824 bytes (2³⁰ bytes). This binary definition is most widely used in computing, although a decimal version—1 GB = 1,000,000,000 bytes—also exists for marketing and certain industries.
Historical Background
The gigabyte originates from the base unit “byte,” which was introduced in the 1950s. As computing evolved, SI prefixes were adopted to represent larger quantities of data. However, the distinction between binary and decimal interpretations led to confusion. To address this, the term “gibibyte” (GiB) was introduced to specifically refer to 2³⁰ bytes, while “gigabyte” remains commonly used for both definitions depending on context.
Common Usage
Gigabytes are used worldwide to represent large digital data volumes. You’ll see gigabytes referenced in hard drives, SSDs, smartphone storage, streaming data limits, and file downloads.
What Is a Byte (B)?
A byte is the most fundamental unit of digital information. One byte typically stores a single character, such as a letter or digit. A byte is made up of 8 bits, and it’s the building block for all higher units of digital storage.
Background and Standardization
The byte has been a standard data unit since the mid-20th century. With increased digitalization, it became necessary to measure larger quantities, leading to the development of units like kilobytes, megabytes, gigabytes, and beyond.
Where Bytes Are Used
Bytes are used in almost every aspect of digital storage and computing, from specifying memory and file size to programming and system architecture.
Gigabyte to Byte Conversion Table
| Gigabytes (GB) | Bytes (B) |
| 0.01 GB | 10,737,418.24 B |
| 0.1 GB | 107,374,182.4 B |
| 1 GB | 1,073,741,824 B |
| 2 GB | 2,147,483,648 B |
| 3 GB | 3,221,225,472 B |
| 5 GB | 5,368,709,120 B |
| 10 GB | 10,737,418,240 B |
| 20 GB | 21,474,836,480 B |
| 50 GB | 53,687,091,200 B |
| 100 GB | 107,374,182,400 B |
| 1000 GB | 1,073,741,824,000 B |
How to Convert Gigabytes to Bytes
To convert from gigabytes to bytes using the binary system:
1 GB = 1,073,741,824 B
1 B = 9.3132257461548 × 10⁻¹⁰ GB
Example
Convert 15 GB to B:
15 GB × 1,073,741,824 = 16,106,127,360 B