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
Quick conversion table — Gigabyte to Megabyte
0.5 GB512 MB
1 GB1,024 MB
5 GB5,120 MB
10 GB10,240 MB
50 GB51,200 MB
100 GB102,400 MB
1,000 GB1,024,000 MB
How to convert GB to MB
To convert gb to mb, use the formula: 1 GB = 1,024 MB. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.