Mb To Gb Conversion Megabytes To Gigabytes Calculator

How Many Megabytes in A Gigabyte?

Before introducing how many MB in GB, let’s explore what byte is first. What is byte? Byte is a unit of measurement used in computer information công nghệ to measure storage capacity. In common, one byte equals eight bits (1byte=8 bits).

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As for megabyte, it is a multiple of the unit byte for digital information. As we can see, the unit prefix mega is a multiplier of 1,000,000 (106) in the International System of Units (SI). Therefore, megabyte is one million bytes of information. In other words, 1MB (the abbreviation MB stands for megabyte) is equal khổng lồ 1,000,000 bytes.

But please pay attention that most standard bodies advocate a set of binary prefixes, hence the conversion is that 1MB is equal to 1,024,000 bytes.

Nowadays, the amount of information measured by megabyte is used lớn show the form size of a typical MP3 file, the size of a JPEC image, and so on.

Nowadays, however, storage devices are typically larger and larger, and their capathành phố is always either gigabyte or terabyte.


According to lớn the definition of megabyte, we can infer the definition of gigabyte that it is also a multiple of the unit byte for digital information. A gigabyte, abbreviated to GB, has been a comtháng unit of capađô thị measurement for data storage products.

Introduced in 1980, the 1st gigabyte-capathành phố hard drive sầu was the IBM 3380 which packaged two 1.26GB hard disk assemblies in a refrigerator-sized cabinet. The price of such hard drives ranged from $81,000 to lớn $142,000, depending on the configuration.

GB is also used khổng lồ show the kích thước of memory, movie, computer RAM, & so on. The maximum amount of information stored in a single layer DVD is usually 4.8GB, and the maximum amount of information that can be stored in a single layer Blu-ray disc equals khổng lồ 25GB.

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There is the same situation that some people set up gigabyte with megabit. A gigabyte refers lớn the data in motion. In other words, this term also means the data transfer rate rather than storage space.

Megabytes VS. Gigabytes

Let’s see the comparison between megabytes and gigabytes in some aspects.

Megabyte (MB)Gigabyte (GB)
10 6 bytes (base 10)109 bytes (base 10)
10002 bytes10003 bytes
1,000,000 bytes1,000,000,000 bytes
220 bytes (base 2)230 bytes (base 2)
1,048,576 bytes1,073,741,824 bytes
1,000,000 × 8 bits1,000,000,000 × 8 bits
8,000,000 bits8,000,000,000 bits

MB to lớn GB

According the definition of megabyte and gigabyte, can you infer how many megabytes in a gigabyte?

In fact, there are two conversion ways about MB lớn GB.

1 Gigabyte is equal khổng lồ 1000 megabytes (decimal);1 Gigabyte is equal khổng lồ 1024 megabytes (binary).

In comtháng, we adopt the second conversion about gigabytes lớn megabytes. There are 1,024 megabytes in a gigabyte.

In order to lớn master the conversion about gigabytes to megabytes, you can look at the following table.

Megabytes lớn Gigabytes Conversion Table

Megabyte (MB)Gigabyte (GB)
1 MB0.0009765625GB
2 MB0.001953125GB
3 MB0.0029296875GB
10 MB0.0048828125GB
50 MB0.048828125 GB
100 MB0.09765625 GB
1000 MB0.9765625 GB

There is also another unit of capathành phố measurement for data storage terabyte, which has become the more comtháng unit of storage capathành phố measurement, especially for hard disk drives và solid-state drives.