GB to MB Converter
1 gigabyte = 1,024 megabytes (binary). A typical MP3 song is 3–5 MB; a movie is 1–4 GB.
Formula:1 GB = 1,024 MB
⇄ Switch to MB To GBGigabyte to Megabyte — common values
1 GB1,024 MB
10 GB10,240 MB
100 GB102,400 MB
512 GB524,288 MB
1,024 GB1,048,576 MB
2,048 GB2,097,152 MB
10,000 GB10,240,000 MB
How to convert GB To MB
To convert gb to mb, use the formula: 1 GB = 1,024 MB. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to MB To GB” link to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.
Frequently Asked Questions
What is the formula to convert GB To MB?
1 GB = 1,024 MB. 1 gigabyte = 1,024 megabytes (binary). A typical MP3 song is 3–5 MB; a movie is 1–4 GB.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert MB To GB?
Use the MB To GB converter or click the ⇄ switch button above.
More Data Storage conversions
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The full converter supports all unit combinations