Gigabytes to Megabytes Converter
Convert gigabytes to megabytes instantly — 1 gigabyte = 1024 megabytes, with every other data unit, a conversion chart, and a list mode for many values.
- Your data never leaves your device
- 100% free
- No sign-up
- Works offline after first load
Formula: MB = GB × 1024
| Gigabytes | Megabytes |
|---|---|
| 1 GB | 1024 MB |
| 2 GB | 2048 MB |
| 5 GB | 5120 MB |
| 10 GB | 10240 MB |
| 20 GB | 20480 MB |
| 50 GB | 51200 MB |
| 100 GB | 102400 MB |
How to convert gigabytes to megabytes
- Type the number of gigabytes.
- Read the result in megabytes — and in every other unit below it.
- Swap, change the precision, convert a whole list or copy and share the result.
About Gigabytes to Megabytes Converter
Convert gigabytes to megabytes as you type. The result appears instantly with the exact formula, and the same value is shown in every other unit of the category at once — so one page answers all related questions.
A conversion chart lists common values, “Convert a list” handles a whole column of numbers, and you can choose the number of decimals or scientific notation. Swap the units with one click, share a link to your conversion, or print it.
Good for
- Everyday conversions for travel, shopping and recipes
- School and science homework
- Work with specifications and measurements
Tip: Type an expression like a whole column of values in “Convert a list” to convert them all at once.
Frequently asked questions
How do I convert gigabytes to megabytes?
Use megabytes = gigabytes × 1024. For example, 10 gigabytes = 10240 megabytes.
Can I convert many values at once?
Yes — choose “Convert a list”, paste one value per line (a spreadsheet column works) and copy all the results.
Can I convert to other units too?
Yes. Pick any units in the From and To lists, or switch the category — length, weight, temperature, volume, area, speed, data and more.
Is 1 GB 1000 MB or 1024 MB?
Both are used. Storage makers and macOS count in 1000s (1 GB = 1000 MB); Windows and memory sizes use 1024. Switch “1 kilobyte =” to choose — GiB, MiB and KiB are always 1024-based.
What are some common GB to MB values?
1 GB = 1,024 MB, 2 GB = 2,048 MB, 4 GB = 4,096 MB and 16 GB = 16,384 MB.