Private, client-side calculation

Transpose Key Calculator

Transpose a song, chord progression or individual notes into any new key instantly

Original Key

Target Key

STEP 01

Choose the keys

Select the original and target key

STEP 02

Enter chords

Paste a progression such as C Am F G

STEP 03

Copy the result

Review semitones and capo guidance

Original Key

selected key

🎼

Target Key

new key

🎹

Semitones

pitch shift

↕️

Capo

optional fret

🎸

Direction

short route

🧭

Transpose Inputs

Original Key

Target Key

Mode

Note Names

Chord Progression or Notes

Transpose Result

🎹

Your result will appear here

Choose keys and press transpose

Interval Details

Perfect fifth

C → G · +7 semitones

Every chord root moves by the same interval while its chord quality stays unchanged.

Capo Helper

Suggested capo7th fret

Play shapes fromC

Sounding keyG

Quick Key Map

Result Explainer

VisionVix Music Insight

Your progression will be explained here.

🎵

IntervalEqual semitone movement preserves harmony.

🎤

Vocal rangeTest the new key with the singer.

What-if Simulator

Extra Semitone Shift 0

SIMULATED KEY

G Major

Current target key

Practical Transposition Checklist

Ask About Your Result

Calculate a result, then ask about intervals, capo positions or chord spelling.

Frequently Asked Questions

It moves every note and chord by the same interval while preserving the song's harmonic relationships.

Yes. The root changes, but minor, major, seventh and suspended qualities remain attached.

The capo raises familiar chord shapes by one semitone per fret.

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Music Theory Disclaimer

Results are generated locally in your browser using equal-tempered semitone relationships. Enharmonic spellings can vary by musical context and key signature. Review advanced slash chords, jazz notation and non-Western tuning systems manually.

Transpose Key Calculator

Choose the keys

Enter chords

Copy the result

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