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Gigabyte to Megabyte Converter

1 GB = 1024 MB

โ† All data storage conversion tools

About gigabytes and megabytes

A gigabyte (GB) is 1,024 megabytes in this converter. Phone storage, memory and data plans are often given in gigabytes.

A megabyte (MB) is 1,024 kilobytes in this converter. It is a common unit for photos, songs and documents.

How the conversion works

Converts gigabytes to megabytes, and back again. Type a value in either box and the other one updates as you type. The conversion uses 1 gigabyte = 1,024 megabytes.

Gigabyte to Megabyte conversion table

gigabytesmegabytes
1 gigabyte1,024 megabytes
2 gigabytes2,048 megabytes
5 gigabytes5,120 megabytes
10 gigabytes10,240 megabytes
25 gigabytes25,600 megabytes
50 gigabytes51,200 megabytes
100 gigabytes102,400 megabytes
1,000 gigabytes1,024,000 megabytes

How to use it

  1. Enter a value in gigabytes to see it in megabytes, or type in the other box to convert the opposite way.
  2. Check the quick conversion table below for common values.
  3. To convert by hand, multiply the number of gigabytes by 1,024.

Did you know?

  • Storage makers usually count a gigabyte as 1,000,000,000 bytes, which is why a new drive can show less space than advertised.
  • A three-minute song in standard MP3 quality is usually around 3 to 5 megabytes.