Gigabyte to Byte Converter

Data Converter

21 units available

Decimals:

From

To

1,073,741,824

1 GB = 1,073,741,824 B

Formula:

B = GB × 1.073742e+9

With your value: 1 GB = 1,073,741,824 B

How big is that?

Everyday references on a logarithmic scale, all expressed in gigabyte so you can sanity-check the result.

Phone photo (1/2.7e+2 your value)0.000466 GB

MP3 song (1/2.1e+2 your value)0.000582 GB

CD-ROM (1/1.5 your value)0.0815 GB

Your value0.125 GB

HD movie (3.7× your value)0.466 GB

Laptop SSD (4.8e+2× your value)59.6 GB

Other Gigabyte to Byte conversions

2 GB to B 3 GB to B 4 GB to B 5 GB to B 6 GB to B 7 GB to B 8 GB to B

Gigabyte to Byte Conversion Table

Gigabyte (GB)	Byte (B)
0.5	536,870,912
1	1,073,741,824
2	2,147,483,648
5	5,368,709,120
10	10,737,418,240
15	16,106,127,360
20	21,474,836,480
25	26,843,545,600
50	53,687,091,200
100	107,374,182,400
250	268,435,456,000
500	536,870,912,000
1000	1.073742e+12

Byte to Gigabyte Conversion Table

Byte (B)	Gigabyte (GB)
0.5	4.656613e-10
1	9.313226e-10
2	1.862645e-9
5	4.656613e-9
10	9.313226e-9
15	1.396984e-8
20	1.862645e-8
25	2.328306e-8
50	4.656613e-8
100	9.313226e-8
250	2.328306e-7
500	4.656613e-7
1000	9.313226e-7

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gigabyte (GB)

Data

Conventional value

Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.

Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology

International Electrotechnical Commission · Reviewed 2026-07-01

Byte (B)

Data

Conventional value

One byte is eight bits (octet) in all modern computing standards.

Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology

International Electrotechnical Commission · Reviewed 2026-07-01

How to Convert Gigabyte to Byte

To convert from Gigabyte (GB) to Byte (B), multiply the value by 1,073,741,824.

Formula: B = GB × 1.073742e+9

Reverse: GB = B × 9.313226e-10

Step-by-Step Example

Start with your value in Gigabyte. For example: 5 GB
Multiply by the conversion factor: 5 x 1,073,741,824
The result is: 5,368,709,120 B

About Gigabyte

The gigabyte (GB) is a unit of digital storage. One gigabyte equals 1.073742 × 10^+9 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: data calculations, engineering and science, education.

About Byte

The byte (B) is a unit of digital storage. One byte equals 1 byte. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: data calculations, engineering and science, education.

Frequently Asked Questions

How many Byte are in 1 Gigabyte?

There are exactly 1,073,741,824 Byte in 1 Gigabyte. This means the conversion factor from Gigabyte to Byte is 1,073,741,824.

What is the formula to convert Gigabyte to Byte?

The formula to convert Gigabyte to Byte is: B = GB × 1.073742e+9. For example, to convert 10 Gigabyte to Byte, you would multiply 10 by 1,073,741,824.

What is a Gigabyte?