C 7 Chord on Guitar
Play C 7 on Guitar: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The C 7 chord is a dominant seventh — a major triad with a flat seventh that pulls strongly toward resolution. It is built from the notes C, E, G, A#. This page shows how to play C 7 on Guitar with clear fretboard diagrams and suggested finger positions.
The E string ring open in the lowest shape, with the remaining notes fretted at fret 1 over a 3-fret stretch. The E string stays silent, so 5 of 6 sound. C falls on the A string. It sounds from C3 up to E4. 5 voicings are charted, the highest starting at fret 10.
Guitar is tuned E–A–D–G–B–E, with 15 frets to work with.
Browse alternate voicings to find the one that sits best under your fingers, then compare it with the other chord types built on C or explore the same shape in nearby keys. The diagrams list the notes in each voicing so you can connect the shape to the theory behind it.