Cavaquinho Scale Harmonizer

Triads & 7th chord diagrams for every scale — cavaquinho DGBD tuning

Harmonize Scale
Harmony
Originalii–V–ISec. Dom.
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FingerNoteDegree
Fretboard
ScaleArpeggio

C major scale diatonic chords

IC major
DGBD213
DGBD21xDGBDx125frDGBD1234
IID minor
2frDGBD213
2frDGBD1232frDGBD21342frDGBD21x
IIIE minor
2frDGBD12
2frDGBD32414frDGBD21342frDGBD1x
IVF major
DGBD3214
DGBD321xDGBDx2135frDGBD3124
VG major
DGBD
3frDGBD3214DGBDxDGBDx
VIA minor
DGBD2314
DGBD231x5frDGBD3124DGBDx213
VIIB dim
3frDGBD1423
6frDGBD32143frDGBD1x3frDGBDx1

C major scale seventh chords

IC maj7
8frDGBD4213
IID m7
DGBD321
DGBD21310frDGBD123410frDGBD4123
IIIE m7
2frDGBD1
2frDGBD12frDGBD43212frDGBD1324
IVF maj7
DGBD4213
VG 7
3frDGBD12
3frDGBD12433frDGBD32414frDGBD2143
VIA m7
5frDGBD1234
5frDGBD41237frDGBD43217frDGBD1324
VIIB m7♭5
2frDGBD21
2frDGBD126frDGBD4213

C major — Cavaquinho scale

Cavaquinho fretboard diagram

Standard (DGBD)
17
C major scale — 4-string guitar fretboard diagramInteractive fretboard diagram showing the C major scale on 4-string guitar with 17 frets. Notes: D, E, F, G, A, B, C.DEFGABCDEFGBCDEFGABCDEGABCDEFGABCDEFGABCDEFG1357911121315

How does the Cavaquinho Scale Harmonizer work?

The cavaquinho is a four-string instrument from the ukulele family, widely used in Brazilian and Portuguese music. Its standard tuning is D-G-B-D (DGBD).

Select a root note and a scale to see all diatonic chords — triads and seventh chords — with chord diagrams for the cavaquinho fretboard.

Use the interactive fretboard diagram to visualize the full scale and explore different tunings and fret ranges.