Convert Gigabytes to Megabytes
Convert gigabytes to megabytes instantly. Type a value below, check the formula and table, then see how the same GB to MB conversion looks as a single line in Notes Calculator.
Gigabytes to Megabytes formula
One gigabyte is 1,000 megabytes, so MB = GB × 1,000. For the reverse, multiply megabytes by 0.001, or use the Megabytes to Gigabytes converter.
Gigabytes to Megabytes conversion table
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
Gigabytes to Megabytes in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 GB to MB on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix gigabytes and megabytes without a separate converter.
| Note | Result |
|---|---|
| 100 GB to MB | 100,000 MB |
| 100 GB in MB | 100,000 MB |
| 10 MB as GB | 0.01 GB |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
FAQ
Frequently asked questions
- One gigabyte equals 1,000 megabytes. To convert gigabytes to megabytes, multiply by 1,000; to go back, multiply by 0.001.
- Type the value, the unit, and the target unit on one line: 100 GB to MB. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
How many megabytes are in one gigabyte?
How do I convert gigabytes to megabytes in Notes Calculator?
Is this gigabytes to megabytes converter free?
Convert gigabytes to megabytes without leaving your notes.
Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
Free forever plan · No credit card · Cross-platform