Gigabytes to Kilobytes
Convert gigabytes (GB) to kilobytes (KB) instantly — with formula and reference table.
GB
KB
Quick answer: 1 GB = 1048576 KB. To convert gigabytes to kilobytes, multiply by GB × 1048576.
Converting gigabytes to kilobytes
This converter changes a value in gigabytes (GB) into kilobytes (KB). One gigabyte equals 1048576 KB. In the binary convention, 1 GB = 1,048,576 KB (1024 × 1024). The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
KB = GB × 1048576
Example
Convert 10 GB to KB: 10 × 1048576 = 10485760 KB.
Gigabytes to Kilobytes conversion table
| Gigabytes (GB) | Kilobytes (KB) |
|---|---|
| 1 GB | 1048576 KB |
| 2 GB | 2097152 KB |
| 3 GB | 3145728 KB |
| 5 GB | 5242880 KB |
| 10 GB | 10485760 KB |
| 20 GB | 20971520 KB |
| 25 GB | 26214400 KB |
| 50 GB | 52428800 KB |
| 100 GB | 104857600 KB |
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How to use this converter
- Enter a value in the gigabytes (GB) field.
- Read the converted value in kilobytes (KB) below.
- Type into the KB field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many KB are in a GB?
1 GB equals 1,048,576 KB in the binary convention.
How do I convert 2 GB to KB?
2 times 1,048,576 = 2,097,152 KB.
Why such a large number?
GB and KB differ by two powers of 1024 (KB to MB to GB), which equals 1,048,576.
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