Gigabyte (GB)
A decimal gigabyte (GB) is exactly 1,000,000,000 bytes — one thousand decimal megabytes.
Decimal GB labels phone storage, SSD capacity, and data plan allowances in telecom marketing.
Convert gigabyte to kilobyte instantly. Type in either field — results update live.
Selected GB values converted to KB using the exact factor from this tool.
| GB | KB |
|---|---|
| 0.01 | 10,000 |
| 0.1 | 100,000 |
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 3 | 3,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 20 | 20,000,000 |
| 50 | 50,000,000 |
| 100 | 100,000,000 |
| 1,000 | 1,000,000,000 |
Exact conversion factors in both directions, plus a worked example.
1 GB = 1000000 KB
1 KB = 0.000001 GB
To convert gigabyte to kilobyte, multiply by 1000000.
To convert kilobyte to gigabyte, multiply by 0.000001.
Example: convert 10 GB to KB
10 × 1000000 = 10000000 KB
Short background on the units used in this conversion.
A decimal gigabyte (GB) is exactly 1,000,000,000 bytes — one thousand decimal megabytes.
Decimal GB labels phone storage, SSD capacity, and data plan allowances in telecom marketing.
A decimal kilobyte (KB) is exactly 1,000 bytes — the SI-style prefix used by storage vendors and many operating systems.
Decimal KB and MB appear on USB drive labels, broadband speed marketing, and macOS storage displays.
KB = GB × 1,000,000GB = KB × 0.000001, using the same exact factors as this converter.Jump to any data storage conversion starting from gigabyte — including the reverse direction and every other unit in our dataset.