Key Transposition Calculator
Transpose a musical key up or down by a number of semitones and identify the resulting interval.
How to Use the Key Transposition Calculator
- Select the original key of the piece.
- Enter the number of semitones to transpose (negative = down, positive = up).
- Click Calculate to see the new key and interval name.
- Use the result to rewrite chord charts or sheet music.
Cas d'utilisation
- •Transposing songs to match a singer's vocal range.
- •Converting guitar chord charts to a different key.
- •Rewriting sheet music for a transposing instrument.
- •Exploring harmonically related keys for composition.
Formule
New key index = (Original key index + Semitones) mod 12. Chromatic scale: C, C#, D, Eb, E, F, F#, G, Ab, A, Bb, B.
Questions fréquemment posées
What is transposition?
Transposition is shifting all notes of a piece by the same number of semitones, changing the key while preserving the melody and harmony.
How many semitones are in an octave?
There are 12 semitones in one octave.
Is it free?
Yes, all calculators on OhMyCalc are completely free.