Convert Megabytes to Gigabytes (MB to GB)
Whether you are downloading large files, buying a new hard drive, or managing cloud storage, you will frequently need to convert MB to GB. Because computers calculate storage in binary (base-1024), manual conversions can get messy. Our tool calculates the exact file size instantly.
The Binary vs Decimal Confusion
If you've ever bought a 1 Terabyte hard drive and plugged it in to find only 931 Gigabytes available, you've experienced the difference between decimal and binary counting. Our calculator strictly uses the binary (1024) standard, which matches how your computer actually reads data.
Frequently Asked Questions
In binary computing standards, there are exactly 1024 Megabytes (MB) in one Gigabyte (GB). Some hard drive manufacturers use a decimal standard of 1000 MB, but software systems like Windows use 1024.
To convert Megabytes to Gigabytes, divide the number of Megabytes by 1024. For example, 2048 MB equals exactly 2 GB.
Manufacturers sell drives using the decimal system (1 GB = 1000 MB), but your operating system reads it in binary (1 GB = 1024 MB). This discrepancy makes the drive appear smaller than advertised.