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Gigabyte to Megabyte Converter

Convert gigabytes to megabytes online. 1 GB = 1000 MB. Free, instant Gigabyte-to-Megabyte converter. Works both ways with a formula and reference table.

Gigabyte → Megabyte

1 GB = 1000 MB

Gigabyte to Megabyte conversion table

Gigabyte (GB)Megabyte (MB)
1 GB1000 MB
2 GB2000 MB
5 GB5000 MB
10 GB10000 MB
25 GB25000 MB
50 GB50000 MB
100 GB100000 MB
  • Instant, live Gigabyte ↔ Megabyte conversion
  • Accurate to the exact conversion factor
  • Converts in both directions
  • Reference table of common values
  • 100% private — runs entirely in your browser
  • Free, no sign-up, works offline

How to use the Gigabyte to Megabyte Converter

  1. 1

    Type the number of gigabytes in the first box.

  2. 2

    Read the equivalent value in megabytes instantly in the second box.

  3. 3

    Or type a Megabyte value to convert back to gigabytes — it works both ways.

  4. 4

    Copy the result, or check the reference table for common conversions.

About the Gigabyte to Megabyte Converter

The ByteTools Gigabyte to Megabyte Converter changes gigabytes into megabytes instantly. One Gigabyte equals 1000 Megabytes (MB), and the tool applies that exact factor as you type so you get a precise answer every time.

Data-storage conversions are handy for downloads, backups, hosting and development when translating between megabytes, gigabytes and terabytes. Everything is calculated locally in your browser — nothing is uploaded — so it is fast, private and works offline. Enter a number in either box to convert both ways, and use the table for common Gigabyte-to-Megabyte values at a glance.

Frequently asked questions

How many Megabytes are in a Gigabyte?

One Gigabyte equals 1000 Megabytes (MB). To convert, multiply the number of Gigabytes by 1000. For example, 10 Gigabytes = 10000 Megabytes.

What is the formula to convert Gigabytes to Megabytes?

Multiply the Gigabyte value by 1000 to get Megabytes. In symbols, MB = GB × 1000. This converter applies the exact factor automatically so you never round by hand.

How do I convert Megabytes back to Gigabytes?

Divide by 1000, or multiply by 0.001. You can also use our Megabyte to Gigabyte converter for the reverse direction — it uses the same exact factor.

Is this Gigabyte to Megabyte converter free and private?

Yes. The conversion runs entirely in your browser with JavaScript — nothing you type is uploaded, logged or stored. It is completely free, needs no sign-up and keeps working offline once loaded.

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