The Circle of Fifths is a visual representation of the relationships between the 12 tones of the chromatic scale. Each key is a perfect fifth apart from its neighbors, making it an essential tool for understanding key signatures, chord progressions, and musical relationships.

Click any key on the circle to highlight it and its relative major or minor key. All other keys will dim, helping you focus on the relationship. Click again to deselect.

Yes! You can adjust colors, ring thickness, typography, and choose which elements to show. Toggle key signatures or the minor key ring on and off, and rotate which key appears at the top.

Yes, click the download button to export your customized Circle of Fifths as a print-ready PDF, perfect for including in your songbook or pinning on a wall.

Key signatures indicate how many sharps or flats a key contains. For example, D major has 2 sharps, while B-flat major has 2 flats. The circle arranges keys so that each step clockwise adds one sharp, and each step counter-clockwise adds one flat.