Interactive Circle of Fifths

Interactive Circle of Fifths

C Major

Key Signature

Scale Notes

Relative Key

Listen

Music Tools

Chord Builder

Root Note:

Chord Type:

Progression Tool

Key:

I

IV

V

I

I

ii

iii

IV

V

vi

vii°

Quiz Mode

Select a quiz type to begin!

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Copyright © 2025 J.Scalco

About the Circle of Fifths Tool

This interactive Circle of Fifths tool was created to help musicians and music students visualize and understand the relationships between musical keys, scales, and chords.

The Circle of Fifths is a fundamental concept in music theory that shows the relationships between the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys.

Features:

Interactive visualization of the Circle of Fifths
Audio playback of scales, chords, and progressions
Chord builder and progression tools
Educational quizzes to test your knowledge
Multiple view modes for different levels of complexity

Whether you're a beginner just learning about music theory or an experienced musician looking for a handy reference, this tool is designed to be both educational and practical.