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How many bytes in a gigabyte?

There are 1e+09 bytes in one gigabyte. Storage makers use 1,000,000,000. Your computer might show a gibibyte, 1,073,741,824 bytes.

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Conversion chart

GigabyteBytes
0.25 gigabyte2.5e+08 bytes
0.5 gigabyte5e+08 bytes
1 gigabyte1e+09 bytes
2 gigabyte2e+09 bytes
3 gigabyte3e+09 bytes
4 gigabyte4e+09 bytes
5 gigabyte5e+09 bytes
10 gigabyte1e+10 bytes

In practice

Storage makers use 1,000,000,000. Your computer might show a gibibyte, 1,073,741,824 bytes. When a recipe or plan has to be exact, convert once and write the number down instead of converting each step.

Frequently asked questions

How many bytes in a gigabyte?

There are 1e+09 bytes in one gigabyte.

How do I convert gigabyte to bytes?

Multiply the number of gigabytes by 1e+09.

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