Replace your strings one at a time to keep tension on the neck
The fastest way to change guitar strings is to remove and replace them one string at a time, rather than taking all six off at once. This keeps the neck under steady tension and takes about 15 to 20 minutes total. You will need a new set of strings that match your guitar type (acoustic or electric), wire cutters, and a string winder if you have one — though a winder is optional and you can wind by hand.
Start with the thickest string (the low E string). Loosen the tuning peg at the headstock by turning it counterclockwise until the string goes slack. Once slack, unwind it completely by hand or with the string winder. Pull the old string out of the bridge pin hole at the bridge end of the guitar, then out of the tuning peg hole at the headstock.
Insert the ball end of the new string into the bridge pin hole — the small hole at the bridge where the old string came out. Push the bridge pin in to hold it. The bridge pin is a small tapered peg that sits on top of the string and locks it in place. Make sure the pin goes in straight; a crooked pin can crack the bridge.
Key Takeaways
- Change strings one at a time to maintain neck tension, and the whole job takes 15 to 20 minutes with a basic toolkit.
- Insert the new string's ball end into the bridge pin hole, find it with the bridge pin, then thread the other end through the tuning peg hole.
- Wind the string around the tuning peg post three to four times before tightening, keeping the wraps neat and downward to avoid slippage.
- Tune the string to pitch, then move to the next string; new strings will drop in pitch over the first few hours and need retuning.
- Trim excess string length at the headstock with wire cutters once all strings are wound and tuned.
Thread the string through the tuning peg and wind it tight
At the headstock, insert the straight end of the new string through the hole in the tuning peg post. Leave about two inches of slack — this is the length you will wind around the post. Pull the string taut with your other hand so it does not slip back out.
Turn the tuning peg counterclockwise (for most guitars) to wind the string around the post. Wind it three to four times in a neat spiral, keeping each wrap below the previous one so the wraps stack downward. This downward pattern prevents the string from slipping off the post under tension. If you have a string winder, fit it over the tuning peg post and turn the handle — it winds much faster than by hand.
As you wind, keep light tension on the string with your other hand to keep the wraps tight and orderly. Once you have three to four wraps, stop winding and tune the string up to pitch using a tuner. The string will be sharp at first, then settle as it stretches. Retune it after a few minutes.
Repeat the process for the remaining five strings
Move to the next thickest string (the A string) and repeat the same steps: loosen the tuning peg, remove the old string, insert the new one into the bridge pin hole, find it with the bridge pin, thread it through the tuning peg, wind it three to four times, and tune to pitch. Work your way through all six strings in order from thickest to thinnest.
Each string will need retuning a few times over the first hour as the new strings stretch and settle. This is normal. Retune every 10 to 15 minutes until the strings hold their pitch for at least 30 minutes without dropping.
Trim the excess string at the headstock
Once all six strings are wound and tuned, use wire cutters to trim the excess string length sticking out past the tuning pegs. Cut close to the post but leave enough that the string does not unwind — about a quarter inch. Excess string can catch on your hand or clothing while you play, and it looks unfinished.
Be careful not to cut the string so short that it pulls out of the tuning peg hole. If you cut too close and the string slips, you will have to rewind that peg and retune.
What to do if a string breaks during winding
If a string breaks while you are winding it, stop when ready and remove the broken pieces. Insert a fresh string from your spare set and start over with that string. Most guitar string sets come with one or two extra strings for this reason.
If the string breaks at the bridge pin hole, the break is usually clean and you can straightforward rewind it. If it breaks at the tuning peg, you will need a new string because the break weakens the metal and it will snap again under tension.
How often to change strings and which type to buy
Most players change strings every three to six months, depending on how often they play and how hard they play. Strings that sound dull, feel rough, or have visible rust or discoloration are past their useful life. Acoustic strings corrode faster than electric strings because they are wound with bronze or phosphor bronze, which oxidizes in air and moisture.
When you buy new strings, match the gauge (thickness) and material to your guitar type. Acoustic guitars use bronze-wound strings; electric guitars use nickel-wound strings. The gauge is usually printed on the package — common gauges for acoustic are .010 to .047 and for electric are .009 to .042. If you do not know your current gauge, look at the packaging your strings came in, or ask at a music store.
Frequently Asked Questions
Can I change all the strings at once instead of one at a time?
You can, but it is not recommended. Removing all strings at once releases all tension on the neck, which can cause it to warp over time, especially on acoustic guitars. Changing one at a time takes only a few minutes longer and is safer for the instrument.
How tight should I wind the string around the tuning peg?
Wind it three to four times in a neat spiral, then tune it to pitch. The string should feel snug but not so tight that you cannot turn the tuning peg smoothly. If the string slips during playing, you did not wind enough wraps or they were too loose. Rewind it with more tension.
Why do new strings go out of tune so quickly?
New strings stretch as they settle under tension. This is normal and expected. Retune every 10 to 15 minutes for the first hour, then less often as the strings stabilize. After a few hours, they will hold pitch much better.
What is the bridge pin and why does it matter?
The bridge pin is a small tapered peg that locks the string into the bridge hole on acoustic guitars. It must go in straight, not at an angle, or it can crack the bridge. Electric guitars do not have bridge pins — the string goes through a hole and is held by the bridge itself.
Do I need a string winder to change strings?
No. A string winder makes the job faster, but you can wind strings by hand just as well. If you change strings often, a winder saves time. If you change them a few times a year, winding by hand is fine.