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Gigabytes to Bytes Converter

Free instant GB → B converter. No signup, no uploads — everything is calculated privately in your browser.

1 GB = 1,073,741,824 bytes

Free and instant — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 gigabyte equals 1,073,741,824 bytes. To convert gigabytes to bytes, multiply the value by this factor.

Key Facts

  • Reverse: 1 byte = 9.31323e-10 gigabytes.
  • Binary convention: each step multiplies by 1,024, not 1,000.

Gigabytes to Bytes Formula

Formula: value × 1,073,741,824

Prefer to skip the math? Type any value in the converter above and it converts instantly.

Gigabytes to Bytes Conversion Table

Gigabytes (GB)Bytes (B)
1 GB1,073,741,824 B
2 GB2,147,483,648 B
5 GB5,368,709,120 B
10 GB10,737,418,240 B
25 GB26,843,545,600 B
50 GB53,687,091,200 B
100 GB107,374,182,400 B
250 GB268,435,456,000 B
500 GB536,870,912,000 B
1,000 GB1,073,741,824,000 B

Frequently Asked Questions

How do I convert gigabytes to bytes?

Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value × 1,073,741,824.

What is the exact gigabytes to bytes conversion factor?

1 gigabyte = 1,073,741,824 bytes (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 byte = 9.31323e-10 gigabytes.

What are some common gigabytes to bytes conversions?

1 GB = 1,073,741,824 B; 10 GB = 10,737,418,240 B; 100 GB = 107,374,182,400 B. Use the full conversion table below for more reference values.

Is a kilobyte 1,000 or 1,024 bytes?

This converter uses the binary convention: 1 KB = 1,024 bytes, 1 MB = 1,024 KB, and so on. That matches how operating systems report memory and file sizes. Storage manufacturers often use the decimal convention (1 KB = 1,000 bytes), which is why a "500 GB" drive shows less capacity in Windows.

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