Capo Transposer
Pick the shapes you know, then find the sounding key for any capo fret — or the fret you need for any key.
Shapes You KnowThe chord shapes you’re comfortable playing — used by both panels below.
G
If I capo here, what key do I get?G shapes, capo at fret 2, sounds in
Fret 2
A
I want to play in this key — where do I capo?To sound in A using G shapes, capo at
A
Fret 2
How capos workA capo acts like a moveable nut — it shortens the strings so your open-position shapes ring out higher than they normally would, exactly one semitone per fret. So if you know G-shape chords and capo at fret 2, your hands are still playing the same G shapes, but the chord that actually sounds is A. That’s the whole trick: same shapes, different key, just by sliding the capo up or down the neck.