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What Is a Megabit (Mb)?

How is it different from megabytes (MB)?

Megabit is the most commonly used unit of measure for data size in data transfer discussions. Megabit is expressed in Mb or Mbit when referring to digital storage and Mbit/s (megabits per second) when referring to data transfer rates. All these abbreviations are marked with a small “b”.

megabits and megabytes

1 megabyte (MB for short) requires 8 megabits. Megabit and megabyte sound similar, and although the abbreviations use the same letters, they do not mean the same thing. It’s important to distinguish between the two when calculating things like internet connection speed and file or disk size.

An image of a 1 MB cube and its 8 MB cube

Wire of Life / Alex Dos Diaz

For example, an internet speed test can measure your network speed as 18.20 Mbps. This means that it transmits 18.20 megabits per second. In the same test we can say that the usable bandwidth is 2.275 MBps, or megabytes per second, and the values ​​are the same. As another example, if the downloaded file is 750 MB, it is 6,000 MB.

bits and bytes

A bit is a small unit of binary or computerized data. It is smaller than the size of a single character in an email, but for convenience, you can think of it as the same size as a text character. A megabit is roughly the size of a million characters.

Formula 8 bits = 1 byte It can be used to convert megabits to megabytes and vice versa. Here are some sample transformations.

  • 8 megabits = 1 megabyte
  • 8 MB = 1 MB
  • 1 megabit = 1/8 megabyte = 0.125 megabyte
  • 1 MB = 1/8 MB = 0.125 MB

A quick way to calculate the conversion between Megabits and Megabytes is to use Google. In the search bar, type something like “1000 megabits to megabytes”.

why it matters

Knowing that megabytes and megabits are two different things is especially important when it comes to internet connections. This is usually the only time Megabit is mentioned.

For example, when comparing internet speeds of service providers, you may read that ServiceA can provide 8Mbps and ServiceB can provide 8Mbps. At first glance they look the same, but you can choose the cheapest one. But given the conversion I know now, ServiceB speed is equivalent to 64Mbps. 8 times faster As service:

  • Service A: 8Mbps = 1 Mbit/s
  • Service B: 8 MBps = 64Mbps

If you choose the cheaper service, you will be purchasing ServiceA, but if you need higher speed, you may want the more expensive service. Therefore, it is important to recognize this difference.

What about gigabytes and terabytes?

Beyond megabits and megabytes, we are entering the realm of even larger file sizes: gigabytes (GB), terabytes (TB), and petabytes (PB). This area is an additional term used to describe data storage, but it is much larger than a megabyte. For example, a megabyte is only 1/1,000th of a gigabyte, which is tiny compared to that!

Frequently Asked Questions

  • How many kb is a megabit?

    A megabit is equivalent to 125 kilobytes.

  • How many megabits is a gigabit?

    Gigabit includes 1,000 megabits.

  • How many kilobytes are megabytes?

    A megabyte is 1,000 kilobytes.

  • Which is bigger, megabytes or gigabytes?

    A gigabyte is greater than a megabyte. A gigabyte includes 1,000 megabytes.


More information

What Is a Megabit (Mb)?

And how does it differ from a megabyte (MB)?

A megabit is a unit of measurement for data size, most often used in discussions of data transfer. Megabits are expressed as Mb or Mbit when talking about digital storage, or Mbps (megabits per second) in the context of data transfer rates. All of these abbreviations are expressed with a lowercase ‘b.’

Megabits and Megabytes

It takes eight megabits to make a megabyte (abbreviated as MB). Megabits and megabytes sound similar and their abbreviations use the same letters but they don’t mean the same thing. It’s important to distinguish between the two when you’re calculating things like the speed of your internet connection and the size of a file or hard drive.

Lifewire / Alex Dos Diaz 
For example, an internet speed test can measure your network’s speed at 18.20 Mbps, which means that 18.20 megabits are being transferred every second. The same test can say that the available bandwidth is 2.275 MBps, or megabytes per second, and the values are equal. As another example, if a file you’re downloading is 750 MB, it’s also 6,000 Mb.

Bits and Bytes

A bit is a binary digit or small unit of computerized data. It’s smaller than the size of a single character in an email but, for simplicity’s sake, think of it as the same size as a text character. A megabit, then, is approximately the size of one million characters.

The formula 8 bits = 1 byte can be used to convert megabits to megabytes and vice-versa. Here are some sample conversions:

8 megabits = 1 megabyte
8 Mb = 1 MB
1 megabit = 1/8 megabyte = 0.125 megabyte
1Mb = 1/8 MB = 0.125 MB
A quick way to figure a conversion between megabits and megabytes is to use Google. Just enter something like “1000 megabits to megabytes” into the search bar.
Why It Matters

Knowing that megabytes and megabits are two different things is important mainly when you’re dealing with your internet connection. That’s typically the only time you see megabits mentioned.

For instance, if you’re comparing service provider internet speeds, you might read that ServiceA can deliver 8 Mbps and ​ServiceB offers 8 MBps. At a quick glance, they may seem identical and you might just pick whichever one is cheapest. However, given the conversion you now know, ServiceB speed is equal to 64 Mbps, which is eight times faster than ServiceA:

ServiceA: 8 Mbps = 1 MBps
ServiceB: 8 MBps = 64 Mbps

Choosing the cheaper service would likely mean you’d buy ServiceA but, if you needed quicker speeds, you may want the more expensive one instead. That’s why it’s important to recognize this difference.

What About Gigabytes and Terabytes?

Beyond megabits and megabytes, we enter the territory of much bigger file sizes of gigabytes (GB), terabytes (TB), and petabytes (PB), which are additional terms used to describe data storage but are much larger than megabytes. A megabyte, for example, is just 1/1,000 a gigabyte, tiny in comparison!

FAQ

How many kb are in a megabit?
One megabit equals 125 kilobytes.

How many megabits are in a gigabit?
There are 1,000 megabits in a gigabit.

How many kilobytes are in a megabyte?
There are 1,000 kilobytes in a megabyte.

What is bigger—a megabyte or a gigabyte?
A gigabyte is bigger than a megabyte. One gigabyte contains 1,000 megabytes.

#Megabit

What Is a Megabit (Mb)?

And how does it differ from a megabyte (MB)?

A megabit is a unit of measurement for data size, most often used in discussions of data transfer. Megabits are expressed as Mb or Mbit when talking about digital storage, or Mbps (megabits per second) in the context of data transfer rates. All of these abbreviations are expressed with a lowercase ‘b.’

Megabits and Megabytes

It takes eight megabits to make a megabyte (abbreviated as MB). Megabits and megabytes sound similar and their abbreviations use the same letters but they don’t mean the same thing. It’s important to distinguish between the two when you’re calculating things like the speed of your internet connection and the size of a file or hard drive.

Lifewire / Alex Dos Diaz 
For example, an internet speed test can measure your network’s speed at 18.20 Mbps, which means that 18.20 megabits are being transferred every second. The same test can say that the available bandwidth is 2.275 MBps, or megabytes per second, and the values are equal. As another example, if a file you’re downloading is 750 MB, it’s also 6,000 Mb.

Bits and Bytes

A bit is a binary digit or small unit of computerized data. It’s smaller than the size of a single character in an email but, for simplicity’s sake, think of it as the same size as a text character. A megabit, then, is approximately the size of one million characters.

The formula 8 bits = 1 byte can be used to convert megabits to megabytes and vice-versa. Here are some sample conversions:

8 megabits = 1 megabyte
8 Mb = 1 MB
1 megabit = 1/8 megabyte = 0.125 megabyte
1Mb = 1/8 MB = 0.125 MB
A quick way to figure a conversion between megabits and megabytes is to use Google. Just enter something like “1000 megabits to megabytes” into the search bar.
Why It Matters

Knowing that megabytes and megabits are two different things is important mainly when you’re dealing with your internet connection. That’s typically the only time you see megabits mentioned.

For instance, if you’re comparing service provider internet speeds, you might read that ServiceA can deliver 8 Mbps and ​ServiceB offers 8 MBps. At a quick glance, they may seem identical and you might just pick whichever one is cheapest. However, given the conversion you now know, ServiceB speed is equal to 64 Mbps, which is eight times faster than ServiceA:

ServiceA: 8 Mbps = 1 MBps
ServiceB: 8 MBps = 64 Mbps

Choosing the cheaper service would likely mean you’d buy ServiceA but, if you needed quicker speeds, you may want the more expensive one instead. That’s why it’s important to recognize this difference.

What About Gigabytes and Terabytes?

Beyond megabits and megabytes, we enter the territory of much bigger file sizes of gigabytes (GB), terabytes (TB), and petabytes (PB), which are additional terms used to describe data storage but are much larger than megabytes. A megabyte, for example, is just 1/1,000 a gigabyte, tiny in comparison!

FAQ

How many kb are in a megabit?
One megabit equals 125 kilobytes.

How many megabits are in a gigabit?
There are 1,000 megabits in a gigabit.

How many kilobytes are in a megabyte?
There are 1,000 kilobytes in a megabyte.

What is bigger—a megabyte or a gigabyte?
A gigabyte is bigger than a megabyte. One gigabyte contains 1,000 megabytes.

#Megabit


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