1 gigabyte to bytes

1 GB = 1,000,000,000 B. Change the amount below, or read the formula and the reference table further down.

1 gigabyte equals

1,000,000,000bytes

1 GB = 1,000,000,000 B

The formula

Gigabytes and bytes both measure data & storage from the same zero, so a single multiplier does the job.

B = GB × 1,000,000,000

Going the other way? Convert bytes to gigabytes.

Gigabytes to bytes table

Values either side of 1 GB.

Gigabytes (GB)Bytes (B)
-4-4,000,000,000
-3.5-3,500,000,000
-3-3,000,000,000
-2.5-2,500,000,000
-2-2,000,000,000
-1.5-1,500,000,000
-1-1,000,000,000
-0.5-500,000,000
00
0.5500,000,000
11,000,000,000
1.51,500,000,000
22,000,000,000
2.52,500,000,000
33,000,000,000
3.53,500,000,000
44,000,000,000
4.54,500,000,000
55,000,000,000
5.55,500,000,000
66,000,000,000

Questions people ask

How many bytes are in a gigabyte?
One gigabyte equals 1,000,000,000 bytes.
How do I convert gigabytes to bytes by hand?
Multiply the number of gigabytes by 1,000,000,000. For a rough check, 1,000,000,000 is close enough for most everyday use.
What is 1 gigabyte in bytes?
1 gigabyte is 1,000,000,000 bytes.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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