Music Scale Finder & Key Chords
Find the notes of any scale — major, minor, pentatonic, blues and all modes — plus the chords in the key with Roman numerals.
How to use
- 1Pick a key (root note) and a scale.
- 2See the notes, the step pattern and, for 7-note scales, the chords in that key.
How it's calculated
Scales are interval patterns: major = W-W-H-W-W-W-H. Chords in a key are triads built by stacking every other note of the scale.
Frequently asked questions
What are the chords in C major?
C, Dm, Em, F, G, Am and B° — I, ii, iii, IV, V, vi and vii°.
What's the relative minor?
The 6th note of a major scale — A minor for C major. They share the same notes and key signature.
What's the difference between the modes?
Each mode starts the major scale on a different degree, giving a different mood — Dorian is minor with a bright 6th, Mixolydian is major with a flat 7th.