Gigabyte Converter (GB)
Convert gigabytes to megabytes, kilobytes and terabytes using decimal (SI). In decimal notation 1 GB = 1000 MB = 1,000,000 KB and 1 TB = 1000 GB.
Gigabyte converter tool
Formulas:
MB = GB × 1000,
KB = GB × 1,000,000,
TB = GB ÷ 1000.
Quick examples
| GB | MB | KB | TB |
|---|---|---|---|
| 1 | 1000 | 1,000,000 | 0.001 |
| 5 | 5000 | 5,000,000 | 0.005 |
| 10 | 10000 | 10,000,000 | 0.01 |
| 50 | 50000 | 50,000,000 | 0.05 |
How to convert Gigabytes
Decimal system (SI): Used by storage manufacturers.
1 GB = 1000 MB = 1,000,000 KB
1 TB = 1000 GB
Examples:
- 5 GB × 1000 = 5000 MB
- 5 GB × 1,000,000 = 5,000,000 KB
- 5000 GB ÷ 1000 = 5 TB
Tip: Enter a value in any field and the others update automatically.
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Gigabyte Converter FAQ
What system does this converter use?
This tool uses decimal (SI): 1 GB = 1000 MB = 1,000,000 KB.
How many gigabytes are in 1 terabyte?
1 TB = 1000 GB (decimal).
How many megabytes is 1 gigabyte?
1 GB = 1000 MB.
Are results rounded?
Values are calculated exactly and rounded only for readability.