megabit [Mb] Unit Converter

Definition of megabit [Mb] unit

A megabit (Mb) is a unit of digital information equal to 1,000,000 bits in the decimal system. In computing contexts, it may also refer informally to 1,048,576 bits, although that quantity is more precisely called a mebibit (Mib).

History of megabit [Mb] unit

The bit emerged as a fundamental unit of information in early computing and information theory. Claude Shannon popularized its mathematical treatment in his 1948 paper, A Mathematical Theory of Communication, establishing the bit as a binary choice. The prefix mega comes from the Greek word megas, meaning great, and was standardized in the International System of Units to denote one million. Thus, megabit conventionally means one million bits. Historically, telecommunications providers sometimes used megabit to describe transmission rates, while storage manufacturers and software documentation occasionally used it for binary values.

Applications of megabit [Mb] unit

Today, megabits commonly describe network speeds, such as 100 Mb/s or 1,000 Mb/s, where Mb/s means megabits per second. Internet providers, Wi-Fi equipment, mobile networks, and streaming services use the unit to express throughput. File sizes, however, are usually reported in megabytes (MB), with eight bits equal to one byte.

Complete list of megabit [Mb] unit conversion