- Megabit is also denotes as Mb and Megabyte is denoted as MB.
- Megabit is used for measuring the usage of internet while Megabyte is used to measure the size of data.
- One Megabit equals 1,000,000 times the size of the smallest unit of binary data, and one Megabyte equals the size of 8 megabits.
Megabit vs Megabyte: Full Comparison
If you’re not conversant with binary, it’s easy to assume that Mb and MB are interchangeable. However, when comparing megabit vs megabyte, they have important distinctions that could cause serious miscalculations. While they both refer to binary data, one is used to measure internet speed, and the other refers to file size. Continue reading to learn about these two computing terms and when to use them.
Megabit vs Megabyte: Side by Side Comparison
|Abbreviation||Mb, Mbps, Mb/s||MB|
|Also Measured As||Kilobit (Kb), gigabit (Gb), terabit (Tb)||Kilobyte (KB), gigabyte (GB), Terabyte (TB)|
|What It Is||The smallest unit of binary data times 1,000,000||A group of 8 megabits|
|Common Use||Measuring internet download speed||Measuring digital storage space and file size|
Megabit vs Megabyte: What’s the Difference?
A megabit is a numerical measurement representing 1,000,000 bits, a small unit of binary data (think the 1s and 0s from The Matrix). While this seems like a lot of data, a million bits make up about the size of a small digital photo.
Megabits abbreviate as Mb. An easier way to remember is to think of the bit as the smallest measurement, so the “b” in Mb is also small. You might also see similar metric measures of bits, such as kilobits (Kb), gigabits (Gb), and terabits (Tb).
While megabits and megabytes both refer to the same data, the former is commonly used to measure the speed of an internet connection. Internet providers generally use megabits per second (Mbps or Mb/s) to make their services seem faster. But you could technically measure internet speed in Megabytes as well.
Megabytes measure the same binary data as megabits, but as a larger unit. A megabyte represents 1,000,000 bytes, which are groups of 8 bits. So if we scaled them up, a megabyte would consist of 8 megabits.
Trivia Question: What is half of a byte? A nibble!
Many people mix up megabits vs megabytes in the abbreviation. While megabits are abbreviated as Mb, Megabytes abbreviate as MB (emphasis on the capital B). When comparing the two, you can remember that megabytes are larger than megabits, so the abbreviation is uppercase. Just as you’ll see MB in measuring data size, you might also recognize kilobytes (KB), gigabytes (GB), and terabytes (TB).
Although they measure the same data, megabytes are typically used to reference CPU storage and file size. You’ll often see hard drives and flash drives marked with related units. For example, your camera might have a 32GB SD card. In this case, your SD card stores 32,000 megabytes.
Megabit vs Megabyte: Must-know Facts
- A megabit is 1,000,000 bits.
- Megabits abbreviate as Mb.
- Megabits measure download speed.
- A megabyte is 8 megabits.
- Megabytes abbreviate as MB.
- Megabytes measure file size and storage.
How Does Download Speed Correlate With File Size?
Let’s say you want to download a 100MB file. If your internet provider advertises download speeds of up to 100mbps, you might believe that your file will download in one second. However, this isn’t exactly true.
Remember that an MB is equal to 8Mb. In the above scenario, your file will take 8 seconds to download instead of one. While this doesn’t seem like a big deal, it certainly would if you were downloading 10GB at speeds of 20Mbps (it would take over an hour).
Megabit vs Megabyte: Which One Should You Use?
It’s important to know that while megabit vs megabyte is technically interchangeable, their general uses make them different. When deciding which measurement is best, you should consider the context why you’re using them.
An easy way to remember these is that megabits measure internet speed and megabytes measure file size and storage. So if you want to know how quickly your movie will download, you’ll use Mb (or Mbps). But if you’re looking for the right hard drive to store all of your photos, you’ll use MB (or more likely, GB).
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