Megabit to Megabyte Converter

Enter the value in Megabit and the tool will provide the Megabyte equivalent

🔄 Mbyte to Mbit


  • Megabyte is written as Mbyte or MB
  • Megabit is written as Mbit or Mb

Note the small ‘b’ stands for bit while uppercase ‘B’ for byte.

How many Megabytes in a Megabit?

  • 1 Megabyte = 8 Mbit
  • 1 Mb = 1/8 MB

or there are 0.125 Megabytes in 1 Megabit.

How many Megabits in a Megabyte?

  • 1 MB = 8 Mb

or there are 8 Megabits in 1 Megabyte.


Mega denotes 106 or 1 million. It’s a unit that’s used mostly in technology. Other examples are MegaSamples (MS), Megahertz (MHz).

The unit Megabit (Mb) is equivalent to 1000000 bits.

The unit Megabyte (MB) is equivalent to 1000000 bytes which in turn is equivalent to 8000000 bits.

MB is used to specify the amount of computer storage. It was very popular for RAM and SD Card storage about 10 years. My camera SD storage cards were 64 MB for instance.

These days however it’s difficult to find anything that small with SD card specifications in the Gigabytes and now Terabytes.

SanDisk 64GB Ultra microSDHC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-064G-GN6MA
64 GB SD Card

Megabit is typically not used for storage. Instead it is used mostly in the area of data communication as a unit of speed, transfer rate, bandwidth or throughput (alternative terms for the same thing).

Megabits per second is used by ISPs and Network Equipment Manufacturers.

Read more about the difference between MBps and Mbps.

Frequently Asked Questions

Is 1 Mb smaller than 1 MB?

Yes, 1 Mb (Megabit) is smaller than 1 MB (Megabyte) – in fact it is eight times smaller.

How to convert Mb to MB?

Divide the number of Mb by 8 to get the MB equivalent or use the calculator on this page.

Related Calculators

A single page view of all the above Megabyte conversions.

Megabit to Megabyte Table