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  • Mega is a unit prefix in the metric system denoting a factor of one million. It was confirmed

  • for use in the International System of Units in 1960. Mega comes from the Greek μέγας

  • megas, meaning "great".

  • Other common examples of usage megapixel - 1 million pixels in a digital

  • camera one megatonne is the approximate energy released

  • on igniting one million tonnes of TNT. megahertzfrequency of electromagnetic

  • radiation for radio and television broadcasting, GSM, etc. 1 MHz = 1,000,000 Hz.

  • Exponentiation When units occur in exponentiation, such as

  • in square and cubic forms, any size prefix is considered part of the unit, and thus included

  • in the exponentiation. 1 Mm2 means one square megametre or the size

  • of a square of 1000000m by 1000000m or 1012m2, and not 1000000square metres.

  • Mm3 means one cubic megametre or the size of a cube of 1000000m by 1000000m by 1000000m

  • or 1018 m3, and not 1000000cubic metres Computing

  • In computing, mega may sometimes denote 1,048,576 of information units, but denotes 1000000

  • units of other quantities, for example, transfer rates: 1megabit/s = 1000000bit/s. The prefix

  • mebi has been suggested as a prefix for 220 to avoid ambiguity.

  • See also Binary prefix

  • Mebibyte Metric prefix

  • Order of magnitude References

  • External links BIPM website

Mega is a unit prefix in the metric system denoting a factor of one million. It was confirmed

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