Replace the broken string one at a time

The fastest way to fix a broken guitar string is to remove it and thread a new one through the same hole. You do not need to remove all the strings at once — in fact, replacing them one at a time keeps tension on the neck and makes the job simpler. Loosen the tuning peg for the broken string until the string goes slack, then unwind it completely from the peg. Pull the string out of the bridge (the piece at the bottom of the guitar where strings anchor) and out of the nut (the notched piece at the headstock where strings sit).

Take a new string of the same gauge — the thickness marking should match what came off — and thread it through the bridge hole from the front. Pull it up toward the headstock, slip it into the correct notch in the nut, and thread it through the hole in the tuning peg. Leave some slack so you have room to wind it. Turn the tuning peg so the string wraps around the post two or three times, keeping tension with your other hand so the wraps stay neat and do not overlap. Once wound, tune the string up to pitch using the tuning peg.

Key Takeaways

  • Replace one string at a time by loosening the tuning peg, removing the old string from the bridge and nut, and threading a new string of the same gauge through the same holes.
  • Wind the new string around the tuning peg post two or three times, keeping it tight so the wraps do not overlap or slip.
  • Tune the string up to pitch slowly and listen for the note to match a reference, since new strings stretch and may need retuning after a few hours.
  • A new string usually takes 24 to 48 hours to fully settle and hold pitch, so expect to retune several times before it stabilizes.
  • If the bridge or tuning pegs are damaged, or if the string keeps breaking in the same spot, the guitar may need professional inspection.

Gather the right replacement string

Guitar strings come in sets or individually, and you need to match the gauge (thickness) of the string you removed. Most acoustic guitars use bronze or phosphor bronze wound strings, while electric guitars typically use nickel-plated steel. The string package will list the gauge — for example, .046 for a low E string on a standard set. If you do not know which string broke or what gauge it was, bring the old string or the guitar itself to a music shop and they can match it in seconds.

Buying a full set is often cheaper than buying single strings, and having extras on hand means you can replace another string when ready if one breaks during playing. Strings are inexpensive — a single replacement usually costs between $1 and $3, and a full set between $5 and $15 depending on the brand and type.

Wind the string onto the tuning peg correctly

The way you wind a string onto the tuning peg affects how well it holds pitch and how long it lasts. Thread the string through the peg hole, then bend it back toward the bridge at a sharp angle so you create tension. Turn the tuning peg so the string wraps downward around the post — on most guitars, the three bass strings (thickest) wind downward and the three treble strings (thinnest) wind upward, though this varies by headstock design. Keep your other hand on the string near the nut to maintain tension so each wrap sits neatly below the one before it.

Aim for two to three complete wraps around the post. Too few wraps and the string may slip; too many and the string takes longer to tune and may not hold pitch as well. Once wound, tune the string up to pitch slowly using the tuning peg. New strings stretch, so the pitch will drop slightly over the next few hours — retune it several times during the first day of playing.

Tune the new string to the correct pitch

Use a tuner — either a clip-on tuner, a smartphone app, or a tuning fork — to bring the new string to the correct pitch. Pluck the string and watch the tuner display. Turn the tuning peg slowly so the pitch rises or falls toward the target note. For a standard tuning, the strings from thickest to thinnest are E, A, D, G, B, and E. If you do not have a tuner, you can match the pitch by ear to another instrument or a reference recording, though a tuner is more accurate and faster.

New strings go flat (drop in pitch) as they settle, so expect to retune the guitar several times over the first 24 to 48 hours. This is normal and does not mean the string is defective. After a day or two, the string will stabilize and hold pitch much more reliably.

Stretch the new string to speed up settling

You can speed up the settling process by gently stretching the new string. Once it is wound and tuned to pitch, hold the string about halfway between the nut and bridge and pull it away from the fretboard with light to moderate pressure. Release and retune. Repeat this two or three times. This helps the string relax and reduces how much it will drop in pitch over the next few hours.

Do not pull hard — you are not trying to bend the string sharply, just explore steady, gentle tension. If you pull too hard you risk breaking the new string or damaging the bridge. After stretching, retune and play the guitar normally. The string will continue to settle as you play.

When to call a professional

If a string breaks repeatedly in the same spot, or if the bridge or tuning pegs are cracked or damaged, the guitar needs professional repair. A sharp edge on the bridge, nut, or frets can cut strings prematurely, and a professional luthier can smooth or replace these parts. Similarly, if the tuning pegs are stripped (the holes are enlarged so the string slips) or bent, they need replacement or repair.

If you are uncomfortable winding the string or tuning it, a music shop can do it for you — usually for $5 to $10 per string. This is worth the cost if you are new to guitar maintenance and want to learn by watching someone do it correctly.

Frequently Asked Questions

How long does a new guitar string last?

A new string typically lasts between three and six months with regular playing, though this varies based on how often you play, how hard you play, and the string quality. Strings that are played daily may wear out faster than strings on a guitar played once a week. Dirt and sweat on your fingers also speed up wear.

Can I reuse a broken string?

No. Once a string breaks, the break point is weak and will snap again quickly, usually within hours of restringing. Always replace it with a new string of the same gauge.

What if I wind the string the wrong direction on the tuning peg?

The string will still work, but it may not hold pitch as well and can slip more easily. Unwind it and rewind it in the correct direction — downward for bass strings, upward for treble strings on most guitars. Check your guitar's headstock design to be sure.

Do I need to replace all the strings at once?

No. You can replace strings one at a time as they break or wear out. Replacing them all at once is optional and is usually done only during a deep cleaning or if multiple strings are old and dull-sounding.

Why does my new string sound different from the old one?

New strings are brighter and have more sustain than old, worn strings. This is normal and not a defect. The brightness will fade slightly over a few weeks as the string settles and ages, but it will remain brighter than the old string was.