Replace one string at a time, starting with loosening the tuning peg

To replace a guitar string, loosen the tuning peg on the headstock until the string goes slack, then unwind it completely and pull it out of the bridge. Insert the new string through the bridge hole (or bridge pin slot on acoustic guitars), thread it up through the tuning peg hole, and wind it back onto the peg while pulling the string taut. Tune the string to pitch using a tuner, then repeat for any other strings you need to replace. The whole job takes 10 to 15 minutes per string once you know the steps.

You do not have to replace all six strings at once. Most players replace them one or two at a time as they break or lose tone. If you are replacing a single string, the process is identical — just skip the strings you are not touching.

Key Takeaways

  • Loosen the tuning peg on the headstock until the string is completely slack, then unwind and remove it.
  • On acoustic guitars, you may need to remove a bridge pin (the small peg holding the string in place at the bridge) before pulling the old string out.
  • Thread the new string through the bridge, pull it up to the tuning peg hole, and wind it onto the peg while keeping tension on the string.
  • New strings need to be tuned and will go flat quickly for the first few hours, so retune after 10 minutes and again before you play seriously.

What you need before you start

Gather a replacement string (the correct gauge for your guitar), a tuner, and wire cutters if you want to trim excess string after winding. You do not need anything else. A string winder (a small hand tool that speeds up winding) is optional but saves time if you replace strings often.

Make sure you have the right string gauge. If you do not know what gauge your guitar uses, look at the packaging of your current strings or check the guitar's manual. Electric and acoustic strings are different — acoustic strings have a bronze or phosphor bronze wrap, while electric strings are typically nickel-plated steel. Using the wrong type will sound wrong and may damage the guitar.

Removing the old string

Turn the tuning peg counterclockwise (when looking at the headstock from the front) until the string is completely loose. You should be able to move the string freely without any tension. On some guitars the peg turns toward the center of the headstock; on others it turns away — the direction depends on which side of the headstock the peg is mounted on.

Once the string is slack, unwind it the rest of the way by hand and pull it out of the tuning peg hole. If you are working on an acoustic guitar, you will also need to remove the bridge pin — the small wooden or plastic peg that holds the string in place at the bridge. Pull it straight up and out, then pull the old string out of the bridge hole.

On an electric guitar, the string straightforward pulls out of the bridge. Some electric bridges (like a Fender Stratocaster bridge) have a small hole; others (like a Gibson Les Paul bridge) have a loop or post. Either way, the string comes out easily once it is unwound.

Installing the new string

Insert the new string through the bridge hole. On an acoustic guitar, push the ball end (the small metal sphere at the end of the string) into the bridge hole first, then replace the bridge pin on top of it. The pin holds the string in place. On an electric guitar, thread the string through the bridge hole or loop depending on your bridge type.

Pull the string up toward the headstock and insert the other end through the tuning peg hole. You should have a few inches of slack. Now turn the tuning peg clockwise (the opposite direction from loosening) while pulling the string taut with your other hand. This keeps the string centered on the peg and prevents it from slipping.

Wind the string around the peg two to four times, depending on the string gauge. Thicker strings (like the low E) need fewer wraps; thinner strings need more. The goal is to have the string wound neatly in a spiral, not bunched up or overlapping itself. Once you have wound it enough, tune the string to pitch using your tuner.

Tuning and stretching new strings

Use an electronic tuner to bring the string to the correct pitch. Pluck the string and watch the tuner display until it shows the right note. New strings go flat quickly because the metal is still settling, so retune after about 10 minutes of playing or sitting. Retune again before you play seriously.

If you want to speed up the settling process, gently pull the string away from the fretboard (not hard enough to damage it) and retune. Repeat this two or three times. This stretches the string and helps it hold pitch faster. After a few hours of playing, the string will stabilize and hold tune much better.

Trimming excess string (optional)

Once the string is wound and tuned, you can trim the excess length sticking out past the tuning peg. Use wire cutters to snip it about an inch past the peg. This is purely cosmetic — the excess does not hurt anything, but it looks cleaner without it. Be careful not to cut too close to the peg, or the string may unwind.

If you do not have wire cutters, you can leave the excess as is. It will not affect how the guitar sounds or plays.

When to replace strings

Replace a string when it breaks, sounds dull or muted, or will not hold pitch even after tuning. A string that sounds bright and rings clearly is still good. If you play daily, expect to replace strings every few months. If you play occasionally, they may last six months to a year.

Some players replace all six strings at once to get a uniform sound. Others replace them one at a time as needed. There is no rule — it depends on how often you play and how much you care about consistent tone. Replacing one string at a time is cheaper and faster, but replacing all six at once means you only have to clean the fretboard once.

Frequently Asked Questions

Can I replace just one string, or do I have to replace all six?

You can replace just one string. Many players do this when a single string breaks or sounds dead. The process is exactly the same — loosen, remove, insert the new one, wind, and tune. You do not have to touch the other strings.

How tight should I wind the string around the tuning peg?

Wind it snugly but not so tight that you are straining. The string should not slip when you tug on it, but you should not need to force the peg to turn. Two to four wraps is typical. If the string slips after tuning, unwind it and start over with more wraps.

Why does my new string keep going flat?

New strings settle for the first few hours and lose pitch as the metal relaxes. Retune every 10 minutes for the first hour, then again before you play seriously. After a few hours, the string will hold pitch much better. Gently pulling the string away from the fretboard and retuning speeds this up.

Do I need to remove all the strings to clean my guitar?

No. You can clean around the strings without removing them. Removing all six at once is optional and only worth doing if you want to deep-clean the fretboard or bridge. If you do remove them all, replace them one at a time so the neck does not lose tension.

What is the difference between acoustic and electric guitar strings?

Acoustic strings have a bronze or phosphor bronze wrap over a steel core and are thicker overall. Electric strings are typically nickel-plated steel and thinner. They sound and feel different, and using the wrong type on your guitar will sound wrong. Check your current string packaging to see what type you need.