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C minor seventh chord

The Cm7 chord (minor seventh) is made of the notes C, E♭, G, B♭. Its formula compared with the major scale is 1 ♭3 5 ♭7.

Cm7

Sevenths · 4 notes

Note names

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How it is built

DegreeNoteInterval from the root
1CUnison
♭3E♭Minor third
5GPerfect fifth
♭7B♭Minor seventh

Inversions

  • Cm7C E♭ G B♭Root position
  • Cm7/E♭E♭ G B♭ CFirst inversion
  • Cm7/GG B♭ C E♭Second inversion
  • Cm7/B♭B♭ C E♭ GThird inversion

Which keys it belongs to

Cm7 is a diatonic chord, that is, it comes from a degree of the scale, in these keys:

Frequently asked questions

Which notes make up the Cm7 chord?
The notes are C, E♭, G, B♭.
What is the formula of the Cm7 chord?
The formula is 1 ♭3 5 ♭7: minor third, perfect fifth, minor seventh.

Texts and tools by , professional musician and developer. Last updated: October 8, 2026.

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