Mebibyte vs. Megabyte: What's the Difference?

(computing) Strictly, 2²⁰ (1024², or 1,048,576) bytes or 2¹⁰ (1024) kibibytes, as opposed to a megabyte.

A unit of computer memory or data storage capacity equal to 1,048,576 (220) bytes.

A unit of information equal to one million (1,048,576) bytes

One million bytes. See Usage Note at gigabyte.

One million (10⁶, or 1,000,000) bytes or 1,000 kilobytes.

A mebibyte.