How to use this calculator
Explore capo positions that make a desired key sound while playing different chord shapes.
How the calculation works
- Choose the chord shape key you like to play.
- Choose the desired sounding key.
- Review capo positions and playable shapes.
Formula
Sounding key = played shape transposed up by capo frets.
Example
To sound in A while playing G shapes, put the capo on fret 2.
Understanding your result
Use the output as a practical starting point, then review it before using it in an important workflow.
Assumptions and limitations
- This is a key relationship helper, not a full chord progression transposer.
- Results use common sharp note names.
Frequently asked questions
Does this require an account?
No. The core tool works without creating a Tool2Do account.
Is my input included in share links or analytics?
No. Tool2Do share actions use the tool page URL and safe metadata, not private values or uploaded files.