Converters
12
Gigabytes to Megabytes Converter
Convert gigabytes to megabytes instantly with the formula, worked examples, rounding guidance, and related data byte conversions.
Units
85
Mode
Live
Pair-specific conversion guide
Gigabyte to Megabyte formula
Use this Gigabyte to Megabyte page for direct data byte conversions. The calculator keeps the exact GB to MB relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 GB = 1000 MB
1 Gigabyte equals
Quick factor: 1 GB = 1000 MB.
The current calculator value is 1 GB, which equals 1000 MB.
Use the conversion table to compare 1 GB with the other units in the same category.
Do not confuse decimal SI prefixes (kB, MB, GB) with binary IEC prefixes (KiB, MiB, GiB).
Precision and rounding
The calculation uses the catalog's fixed conversion factors between GB and MB. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: IEC binary prefixesData Byte
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Conversion table
1 Gigabyte equals
| Unit | Value |
|---|---|
| Byte B | 1000000000 |
| Bit bit | 8000000000 |
| Kilobyte KB | 1000000 |
| Megabyte MB | 1000 |
| Terabyte TB | 0.001 |
| Kibibyte KiB | 976562.5 |
| Mebibyte MiB | 953.674316406 |
| Gibibyte GiB | 0.931322574615 |
| Tebibyte TiB | 0.000909494701773 |
FAQ
Gigabyte to Megabyte questions
How do you convert Gigabyte to Megabyte?
Use the formula 1 GB = 1000 MB. As a quick check, 1 GB equals 1000 MB.
Is the Gigabyte to Megabyte conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.