Convert Gb To Mb

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 technology 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 lớn 1,024,000 bytes.

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

Nowadays, however, storage devices are typically larger và larger, & their capađô thị is always either gigabyte or terabyte.


According 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 lớn GB, has been a common unit of capathành phố measurement for data storage products.

Introduced in 1980, the 1st gigabyte-capathành phố hard drive 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 $142,000, depending on the configuration.

GB is also used to lớn show the kích thước of memory, movie, computer RAM, and 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 mix up gigabyte with megabit. A gigabyte refers to 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 và 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 khổng lồ GB.

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

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

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

Megabytes to 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 capađô thị measurement, especially for hard disk drives & solid-state drives.