Cdim7 chord with C Diminished Whole-Half scale

Pairing the Cdim7 chord (Dim7) with the C Diminished Whole-Half scale: formulas, fretboard voicings and the practical context for soloing, improvisation and songwriting.

Cdim7 chord formula

Interval formula: 1 b3 b5 bb7. A diminished 7th — four notes stacked in minor thirds. A tense, symmetric chord that pulls to a resolution.

C Diminished Whole-Half scale formula

Formula: 1 2 b3 4 b5 #5 6 7. Classification: symmetric.

Fretboard voicings for Cdim7

Curated Cdim7 shapes that sit naturally inside the C Diminished Whole-Half scale.

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Cdim7 — Drop 2, root on 6th string, frets 6–10
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Cdim7 — Drop 2, root on 5th string, frets 1–5
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Cdim7 — Drop 2, root on 4th string, frets 9–12

Other scales for Cdim7

Compare how the same chord behaves over other compatible modes.

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