6 Music Theory Calculators
Chord Calculator
Calculate chord length, arc length, height, and more with this easy-to-use circle chord calculator. Includes visual diagrams, formulas, and step-by-step results.
In category: Geometry
Chord Finder
Identify and explore musical chords easily. Select notes or choose a chord to see its structure, intervals, and fingerings for piano and guitar.
In category: Music
Chord Progression Generator
Generate custom chord progressions with ease. Choose key, scale, genre, and complexity to create, play, and export musical ideas for any style or mood.
In category: Music
Chord Transposer
Transpose chord progressions between keys. Adjust songs to your vocal range, view Roman numerals, and see guitar diagrams—all in one simple tool.
In category: Music
Music Interval Calculator
Explore musical intervals easily. Identify, hear, and visualize note distances with options for tuning systems, enharmonics, and real-time notation.
In category: Music
Semitone Calculator
Analyze intervals, convert frequencies to notes, and transpose melodies easily with this Semitone Calculator—perfect for musicians, students, and composers.
In category: Music
We hope these music theory calculators have sparked your creativity and made it easier to tackle chord progressions and musical intervals. If you have any feedback or ideas for new calculators, we’d love to hear from you! Exciting developments are on the horizon, so stay tuned for more tools that will help you explore the wonderful world of music theory and its many facets.