Capo Calculator

Find your capo position for any key, or see what key you're playing in with your current capo setup.

Notation
Song Details

Chord Shapes I Want to Play

Highlighted keys have easy open chord shapes

Song Key

Result

Put Capo On

Fret 4

Play C shapes → sounds like E

All options for E

Capo Transposition Chart— sounding key by open shape + capo position
Open ShapeNo CapoCapo 1Capo 2Capo 3Capo 4Capo 5Capo 6Capo 7
CCC#DD#EFF#G
DDD#EFF#GG#A
EEFF#GG#AA#B
FFF#GG#AA#BC
GGG#AA#BCC#D
AAA#BCC#DD#E
How to Use
  • 1Choose "Find Capo Position" to discover where to place your capo, or "Find Sounding Key" to see what key your current capo setup produces.
  • 2In "Find Capo Position": select the song's original key, then tap the chord shapes you want to play. The capo fret appears instantly.
  • 3Browse "All options" to compare capo positions. Green highlighted rows use easy open chord shapes (C, D, E, G, A) that most guitarists know well.
  • 4Use the Capo Transposition Chart as a quick reference — find your open chord shape in the left column and follow across to your capo fret.
About this tool

About the Guitar Capo Calculator

Guitar Tool Hub's free online capo calculator helps guitarists find the exact capo position to play any song in any key using familiar open chord shapes. Select your song key and preferred chord shapes to instantly see where to place your capo — or enter your capo position and chord shapes to discover the actual sounding key. Includes a complete capo transposition chart covering all common open chord shapes and capo positions 1 through 7.

  • 01Instantly find your capo position for any key
  • 02Reverse-calculate the sounding key from your capo setup
  • 03Complete capo transposition reference chart
  • 04Highlights easy open chord shapes (C, D, E, G, A)
  • 05Toggle between sharps and flats notation
  • 06Free — no account or download needed

Frequently Asked Questions