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Music Calculators & Tools
Useful theory, tuning and studio tools for musicians — from finding notes in a key to syncing delay times with a tempo.
Key & Scale Finder
Choose a root note and scale to see every note instantly.
Open tool →Chord Finder
Build common chords and see the notes and intervals inside them.
Open tool →Chord Transposer
Move a chord progression up or down by any number of semitones.
Open tool →Note Frequency Calculator
Convert musical notes and octaves into frequencies in hertz.
Open tool →Guitar Fret Note Finder
Find the note and frequency at any fret in standard tuning.
Open tool →Tempo & Delay Calculator
Turn BPM into quarter, eighth, dotted and triplet delay times.
Open tool →