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What is the abbreviation for megahertz?

MHz.

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  1. mHz
  2. mHZ
  3. MHz ✔

Why: The standard abbreviation for megahertz is MHz. Capital M means mega, or one million.

Huh, didn't know that: One MHz equals one million hertz.

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Why does megahertz get a capital M? Because mega is a big deal.
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References

Answer: MHz. The standard abbreviation for megahertz is MHz. Capital M means mega, or one million.

  1. NCVEC 2026-2030 Technician Question Pool, T5C07 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    D. MHz
    Checked 2026-10-09.

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