Gigabytes to Bytes

Convert gigabytes (GB) to bytes (B). Type in either box; the other updates as you go.

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1 GB = 1,000,000,000 B

1 gigabyte equals1,000,000,000 B
1 byte equals1 × 10⁻⁹ GB
FormulaB = GB × 1,000,000,000

How to convert gigabytes to bytes

To convert gigabytes to bytes, multiply the number of gigabytes by 1,000,000,000.

B = GB × 1,000,000,000

Example

Convert 5 gigabytes to bytes:

5 GB × 1,000,000,000 = 5,000,000,000 B

Gigabyte to byte conversion chart

Gigabytes to bytes
Gigabytes (GB)Bytes (B)
1 GB1,000,000,000 B
2 GB2,000,000,000 B
3 GB3,000,000,000 B
4 GB4,000,000,000 B
5 GB5,000,000,000 B
6 GB6,000,000,000 B
7 GB7,000,000,000 B
8 GB8,000,000,000 B
9 GB9,000,000,000 B
10 GB10,000,000,000 B
12 GB12,000,000,000 B
15 GB15,000,000,000 B
20 GB20,000,000,000 B
25 GB25,000,000,000 B
30 GB30,000,000,000 B
40 GB40,000,000,000 B
50 GB50,000,000,000 B
60 GB60,000,000,000 B
70 GB70,000,000,000 B
75 GB75,000,000,000 B
80 GB80,000,000,000 B
90 GB90,000,000,000 B
100 GB100,000,000,000 B
150 GB150,000,000,000 B
200 GB200,000,000,000 B
250 GB250,000,000,000 B
500 GB500,000,000,000 B
1,000 GB1,000,000,000,000 B

Going the other way? See the bytes to gigabytes chart.

About the units

Gigabyte (GB)

A gigabyte (GB) is 1,000,000,000 bytes. That is why a 1 TB drive shows up as about 931 GB in Windows, which counts in gibibytes.

Byte (B)

A byte is 8 bits, enough to store one character of plain text.

Frequently asked questions

How many bytes are in a gigabyte?

There are 1,000,000,000 bytes in a gigabyte.

How many gigabytes are in a byte?

There are 1 × 10⁻⁹ gigabytes in a byte.

How do you convert gigabytes to bytes?

To convert gigabytes to bytes, multiply the number of gigabytes by 1,000,000,000.

What is 5 gigabytes in bytes?

5 gigabytes equals 5,000,000,000 bytes.

Convert between bytes, kilobytes, megabytes, gigabytes and terabytes, in decimal and binary units. Open the data storage converter to see a value in every unit at once.