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Transposition Calculator

Transpose individual notes, full chords, or entire chord charts up or down by any number of semitones or between instrument keys.

Single Note / Chord
Chord Chart
Instrument Keys

Transposing instruments sound a different pitch than written. Enter the written note to find the concert pitch, or vice versa.

Transposing Instruments Reference

InstrumentTranspositionIf written C, sounds like…
Flute, Oboe, Piano, Violin, GuitarC (concert pitch)C
Bb Clarinet, Bb Trumpet, Tenor SaxBb β€” sounds 2 semitones lowerBb
Alto SaxophoneEb β€” sounds 9 semitones lower (or 3 higher)Eb
Baritone SaxophoneEb β€” sounds 21 semitones lower (octave+3)Eb (low)
French HornF β€” sounds 7 semitones lowerF
Bass ClarinetBb β€” sounds 14 semitones lower (octave+2)Bb (low)
PiccoloSounds one octave higher than writtenC (high)
Double Bass, Guitar, Bass GuitarSounds one octave lower than writtenC (low)