Gb Và Mb

Even though people tover to informally refer to lớn them both as "megs", connection speeds và data sizes are actually measured differently.

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The word "meg" could refer to two very different values: megabits & megabytes. But aren"t they the same thing?

Actually no, there"s a big difference between a bit and a byte. A byte is much bigger — eight times bigger, lớn be exact — with eight bits fitting inside every byte. So there are eight megabits (Mb) in every megabyte (MB), & eight gigabits (Gb) in every gigabyte (GB).


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Bits, bytes và broadbvà speeds

You may be wondering how this relates khổng lồ you and your broadband tốc độ.

Data sizes are usually measured in "bytes" (with a capital B), & broadb& speeds are measured in "bits" (lowercase b). Based on the tệp tin kích thước and your connection speed, you can estimate how long it"ll take you to lớn download something.


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Let"s say you find a file online that is 50 megabytes (MB) in kích thước, & you want lớn tải về it using your 50 megabits per second (Mbps) broadbvà connection. This won"t take one second; it will take eight times one second because a megabyte is eight times bigger than a megabit. So in theory — & with a perfectly consistent tốc độ — it should take eight seconds lớn download.

Before you start reaching for your calculator, read our guide to download times. We"ve pulled together a danh sách of the most common broadbvà speeds and file sizes to give sầu you an idea of how long it will take lớn tải về films, TV series, songs and more.

How can I tell the difference between a bit and a byte?

From how it"s written. A byte is an uppercase "B" and a bit is a lowercase "b". If it says MB, all capitals, then it is a megabyte. If it says Mb, then it is a megabit.

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There is one exception to this, of course, & it is the symbol for kilobit, which is "kb", all lowercase. But these tệp tin sizes are so small nowadays that you shouldn"t really see much of them.

It"s easy lớn figure out based on common sense: an uppercase "B" is physically larger than a lowercase "b", và a byte is larger than a bit.


Other file sizes to lớn know about

While there"s a range of different tệp tin sizes, most of us only need to know a few different prefixes. Here are the most comtháng ones.

KB, MB, GB - A kilobyte (KB) is 1,024 bytes. A megabyte (MB) is 1,024 kilobytes. A gigabyte (GB) is 1,024 megabytes. A terabyte (TB) is 1,024 gigabytes.

kb, Mb, Gb - A kilobit (kb) is 1,024 bits. A megabit (Mb) is 1,024 kilobits. A gigabit (Gb) is 1,024 megabits. A terabit (Tb) is 1,024 gigabits.

Don"t forget! There are eight bits in a byte, so khổng lồ translate from one to lớn the other, you can multiply or divide by eight. For example, if you want lớn transfer 38MB across a 38 Mbps connection, it will take eight seconds.

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