How to use a capo: placement, keys and a capo chart
A capo is the cheapest way to sound like a better guitarist. Clamp it on a fret and every open chord shape moves up in pitch — so you can play songs in awkward keys with easy shapes, match a singer’s range, or get the bright, ringing sound of open strings higher up the neck. Here’s how it works, where to put it, and a chart to figure out any song.
Updated 3 November 2026 · 5 min read
What a capo does
A capo presses all six strings down at one fret, acting like a movable nut. Each fret raises the pitch by one semitone. Your chord shapes stay the same, but the sound changes:
- Play a G shape with the capo on fret 2 and you hear A.
- Play a C shape with the capo on fret 5 and you hear F.
So the rule is: sounding chord = shape + capo fret (in semitones). Musicians often say “play G shapes, capo 2” — that’s what chord sheets mean by “Capo 2”.
How to put a capo on properly
- Place it just behind the fret (on the headstock side), not in the middle of the space and not on top of the fret wire.
- Keep it parallel to the fret, straight across the neck.
- Use just enough tension. Too tight pulls the strings sharp; too loose causes buzzing. On adjustable capos, tighten until the buzzing stops and no further.
- Retune after clamping. Even a good capo can push one or two strings slightly sharp. A quick check with a tuner fixes it.
Strum each string after clamping. If one string buzzes, nudge the capo closer to the fret. If the guitar sounds sharp, loosen it slightly and retune.
The capo chart
Find the chord shape you’re playing in the left column, then read across to see the chord you actually hear with the capo on each fret.
| Shape | Capo 1 | Capo 2 | Capo 3 | Capo 4 | Capo 5 | Capo 7 |
|---|---|---|---|---|---|---|
| C | C♯/D♭ | D | D♯/E♭ | E | F | G |
| A | A♯/B♭ | B | C | C♯/D♭ | D | E |
| G | G♯/A♭ | A | A♯/B♭ | B | C | D |
| E | F | F♯/G♭ | G | G♯/A♭ | A | B |
| D | D♯/E♭ | E | F | F♯/G♭ | G | A |
| Am | A♯m/B♭m | Bm | Cm | C♯m | Dm | Em |
| Em | Fm | F♯m | Gm | G♯m | Am | Bm |
Prefer not to count? The capo calculator does it instantly for any key and shows the easiest shapes.
Choosing the best capo position for a song
Say a song is in B♭ with the chords B♭ – Gm – E♭ – F. Those are barre chords for a beginner. Options:
| Capo | Shapes you play | Why |
|---|---|---|
| 1 | A – F♯m – D – E | Easy, but F♯m is a barre chord |
| 3 | G – Em – C – D | All easy open chords — the usual choice |
| 6 | E – C♯m – A – B | Brighter, but more barres |
The best position usually uses shapes from the G, C, D, A and E families with as few barres as possible. Higher positions sound brighter and thinner, which is great for a second guitar playing alongside the first.
Using a capo to fit a singer
If a song is too low or too high for your voice, move the capo up or down one fret at a time while singing the chorus. Keep the shapes the same. When it feels comfortable, note the fret — that’s your key. Every fret changes the key by a semitone, so four or five capo positions cover almost any voice.
Capo with two guitars
Two guitarists playing the same chords in the same position sound like one big, muddy guitar. Instead:
- Guitar 1 plays open shapes (for example G shapes, no capo).
- Guitar 2 plays the same chords from different shapes with a capo (for example D shapes, capo 5 — D shape + 5 semitones = G).
The two parts fit together like a piano’s left and right hands.
Partial capos and alternate tunings
A partial capo covers only some strings — the most common one clamps strings 5 to 3 at the 2nd fret, giving a DADGAD-like sound while keeping standard tuning on the other strings. Capos also combine well with alternate tunings: open D or DADGAD with a capo is a classic fingerstyle sound in any key.
Common capo mistakes
- Capo in the middle of the fret. Causes buzzing and pulls notes sharp.
- Not retuning. The capo slightly stretches the strings; always check.
- Leaving it clamped on the guitar. Store it on the headstock or in the case to avoid neck pressure and dents.
- Reading “Capo 3” and transposing again. Chord sheets that say “Capo 3” already give you the shapes to play — don’t transpose them.
- Using it to avoid barre chords forever. Use the capo for sound and convenience, but keep learning barre chords too.
Types of capo
| Type | How it works | Pros | Cons |
|---|---|---|---|
| Trigger (spring) | Squeeze to open, springs shut | Fastest to move between songs | Fixed pressure can pull strings sharp |
| Screw / adjustable | Tighten a screw until the buzz stops | Exact pressure, best tuning | Slower to move |
| Elastic / strap | Fabric band hooked over a bar | Cheap, light | Uneven pressure, wears out |
| Partial | Covers some strings only | New open-tuning sounds in standard | Specialist |
| Classical (flat) | Flat bar for flat fretboards | Correct for nylon-string guitars | Doesn’t fit curved necks well |
Electric and acoustic necks are usually curved (radiused), classical necks are flat — buy a capo designed for your guitar. Whichever type you choose, the tuning check after clamping matters more than the brand.
Capo and theory: keys you’ll meet most
Singers often ask for songs in keys that are awkward on guitar — E♭, A♭, B♭, F. With a capo, they’re easy: E♭ is D shapes with capo 1 or C shapes with capo 3; A♭ is G shapes with capo 1 or E shapes with capo 4; B♭ is A shapes with capo 1 or G shapes with capo 3; F is E shapes with capo 1 or D shapes with capo 3. Memorise those four and you’ll handle most requests without a chart.
Quick reference
- Each capo fret = +1 semitone.
- Sounding chord = shape + fret.
- To find a capo position for a key: count semitones from your shape’s key up to the song’s key.
- Retune after clamping.
Ready to try it? Pick a song from the beginner chords guide, put the capo on fret 2 and play it again — then try the capo calculator to find a key that suits your voice.
Questions
How does a capo change the key?
Each fret raises the pitch by one semitone. A G shape with the capo on fret 2 sounds as A.
Where should I place a capo?
Just behind the fret, straight and parallel to it, with just enough pressure to stop buzzing.
What does “Capo 3” mean on a chord sheet?
Put the capo on the 3rd fret and play the chord shapes as written; they will sound three semitones higher.
Why does my guitar sound out of tune with a capo?
Too much pressure or placing it far from the fret pulls strings sharp. Move it closer to the fret, loosen slightly and retune.