When and How to Change Acoustic Guitar Strings
- Michael DeGiovine
- 6 days ago
- 11 min read
If you're learning guitar, changing your strings is one of those basic maintenance tasks that you'll eventually need to learn. New strings can make a surprisingly big difference in both the sound and playability of your guitar.
But how do you know when it's time to change your strings? And once you've bought a new set, how do you actually put them on an acoustic guitar?
In this guide, we'll look at when to replace your acoustic guitar strings, how to choose a new set, what tools you'll need, and how to change the strings one at a time.
Note: This guide is specifically for steel-string acoustic guitars. Nylon-string classical guitars use a different stringing process.
When Should You Change Your Acoustic Guitar Strings?
There isn't necessarily a specific number of days or weeks that should pass before you change your strings. Some players change their strings frequently, while others wait until they notice that the strings have deteriorated.
One of the easiest ways to tell that your strings are getting old is to look at them and listen to them.
1. The strings start to look dull
New steel strings have a bright, shiny appearance. As they age, they gradually lose that brightness and can begin to look dull or dark.
This is especially noticeable when you compare an old string with a brand-new one.
2. Your guitar doesn't sound as bright
Your ears are another useful tool.
As strings get older, they generally lose some of their brightness and begin to sound duller. If your guitar doesn't have the same lively sound it once did, the strings may be part of the problem.
3. The strings are rusting
If you notice visible rust or corrosion, it's definitely time to replace the strings.
Old, corroded strings aren't pleasant to play, and continuing to use them can make playing feel unnecessarily difficult.
4. The strings have been on the guitar for a very long time
Strings that have been left on a guitar for months—or even a year or more—can become extremely dull.
You don't necessarily need to wait until your strings are completely worn out. Replacing them before they get to that point can make practicing and playing much more enjoyable.
How Often Should You Change Your Strings?
There's no single schedule that works for every guitarist.
How often you need to change strings depends on factors such as how frequently you play, how much you sweat, and how quickly your strings lose their tone.
Rather than relying entirely on a calendar, pay attention to the condition and sound of your strings.
If they look dull, sound dull, or are beginning to rust, it's time for a fresh set.
Choosing the Right Acoustic Guitar Strings
Before you start changing your strings, you'll need to decide what type and gauge to buy.
String packages use numbers such as 10s, 11s, 12s, or 13s to describe the gauge of the strings.
For example, a set labeled .011–.052 has a high E string with a gauge of .011 inches and a low E string with a gauge of .052 inches.
For steel-string acoustic guitars, 11s and 12s are common choices, with 13s also being used.
String Gauge Affects Playability
One of the most important things to consider when choosing a string gauge is how comfortable the strings are to play.
Thinner strings generally require less effort to fret and bend. This can be particularly helpful for beginners who are still developing finger strength.
Thicker strings, on the other hand, tend to produce a fuller, thicker tone.
There is therefore a trade-off between playability and tone.
If you're struggling to play your guitar because the strings feel too stiff, trying a lighter gauge may make the instrument more comfortable.
What Tools Do You Need?
You don't need a huge collection of tools to change acoustic guitar strings.
Here are the essentials:
A new set of acoustic guitar strings
A guitar tuner
Needle-nose pliers
A guitar stand, if available
A string winder, optional
Needle-Nose Pliers
Needle-nose pliers are particularly useful with an acoustic guitar because the strings are held in place at the bridge by small bridge pins.
Sometimes these pins can be difficult to remove by hand. Needle-nose pliers give you the extra grip you need.
They're also useful for clipping the excess string after you've installed the new strings.
String Winder
A string winder isn't essential, but it can make the process considerably faster.
You can absolutely change strings without one. It will simply take longer to turn the tuning machines by hand.
Should You Remove All Six Strings at Once?
There are different approaches to changing guitar strings.
Some guitarists remove all six strings before installing the new ones. Others change them one at a time.
For this method, we'll change the strings one at a time, starting with the first string and working toward the sixth.
This also gives you an opportunity to keep the guitar close to its normal string tension throughout the process.
Some players use other sequences, including alternating between the bass and treble strings. The important thing is to use a method you're comfortable with.
How to Change Acoustic Guitar Strings: Step by Step
Let's walk through the process.
Step 1: Loosen the Old String
Start with the first string—the high E string.
Turn the tuning peg to gradually loosen the string until there is no longer significant tension on it.
Once the string is loose, you can remove it from the tuning peg.
Step 2: Remove the Bridge Pin
Now you'll need to remove the bridge pin holding the string in place.
This is where your needle-nose pliers can be particularly helpful.
Carefully grip the bridge pin and pull it upward.
Avoid using excessive force. If a bridge pin is difficult to remove, work carefully rather than trying to yank it out.
Once the pin is removed, you can pull the old string out of the bridge.
Step 3: Identify the Correct New String
Take your new string and determine which one you're installing.
Many sets use color coding on the ends of the strings to help identify them.
For example, the high E string may have a particular color associated with it. Check the packaging or manufacturer's color chart if you're unsure.
Step 4: Insert the New String Into the Bridge
Insert the ball end of the new string into the appropriate bridge hole.
Then insert the bridge pin.
One small detail is important here: the groove in the bridge pin should face toward the string.
Push the bridge pin down into place while holding the string in position.
Then gently pull upward on the string to make sure the bridge pin is seated securely.
If the pin pops back out, the string or pin may not be positioned correctly. Reset it before continuing.
Step 5: Feed the String Toward the Tuning Peg
Pull the string toward the headstock.
Don't pull it completely tight yet. You'll need some extra string to wrap around the tuning post.
On a typical acoustic guitar with three tuning pegs on each side, pay attention to which direction the string should wind around the post.
The goal is to have the string wind neatly on the appropriate side of the tuning post rather than wandering toward the wrong side.
Step 6: Start Winding the String
Insert the string through the appropriate tuning post.
Leave enough slack to create several wraps around the post.
Then begin turning the tuning peg in the direction that tightens the string.
Don't worry too much about memorizing "clockwise" or "counterclockwise." The direction depends on which side of the headstock you're working on.
Instead, simply watch what the string is doing.
If turning the tuning peg tightens the string, you're going in the right direction.
If it loosens the string, turn it the other way.
Step 7: Tune the New String
Once the string is attached, bring it gradually up toward its proper pitch using your tuner.
It's a good idea to tune each string as you install it rather than waiting until all six strings are installed.
This helps you make sure everything is seated correctly as you go.
Step 8: Stretch the New String
New strings need some time to stretch and settle.
As you tune the string, gently stretch it by pulling it away from the guitar along the fretboard.
You can also gently work your fingers along the string over the fretboard.
Then tune the string again.
You'll notice that the pitch may drop after stretching. That's normal: the string is still settling into its new position.
Repeat the process of stretching and retuning until the string becomes more stable.
Step 9: Repeat for the Remaining Strings
Now repeat the same process for the second, third, fourth, fifth, and sixth strings.
Remove the old string.
Install the new string.
Tune it.
Stretch it.
Retune it.
Move on to the next string.
As you continue, periodically check the strings you've already replaced.
For example, after installing the second string, check the first string again. After installing the third string, check the first and second strings.
The new strings will continue settling, so they may need additional tuning.
Trim the Excess String
Once a string has been installed, tuned, and stretched, you'll have some excess string sticking out from the tuning post.
Use your needle-nose pliers or an appropriate string cutter to trim the excess.
You don't necessarily need to cut it completely flush. Leaving a small amount of excess is fine.
Be careful with the sharp end of the string. You can bend the remaining end inward so that you don't accidentally catch your finger on it.
Why New Strings Sound So Much Better
The difference between old and new strings can be dramatic.
Old strings tend to lose their brightness and can develop a dull sound. New strings have a much brighter, more responsive tone.
In addition to changing the sound of the guitar, a new set can make the instrument feel better under your fingers.
The gauge you choose also affects this.
For example, moving from a set of 12-gauge strings to 11-gauge strings can make the guitar feel easier to play, particularly for single-note playing.
So if your guitar feels unusually difficult to play, don't automatically assume that your technique is the problem. The strings themselves may be contributing to the experience.
Before and After: Listen to Your Guitar
One useful habit is to listen to your guitar immediately before changing the strings.
Play a few chords or a familiar progression.
Then install the new strings and play the same thing again.
The comparison makes the difference much easier to hear.
It's also a good reminder that guitar maintenance isn't just about keeping your instrument looking nice. It directly affects how the instrument sounds and feels when you play it.
Common Mistakes to Avoid
Changing the strings without checking the gauge
If you like the feel and sound of your current strings, check the gauge before buying your replacement set.
A significant change in gauge can change the way the guitar feels.
Forgetting to stretch new strings
New strings can continue going flat after you tune them.
Gentle stretching followed by retuning helps the strings settle more quickly.
Cutting the strings before they're secure
Make sure the string is properly installed at both the bridge and tuning peg before trimming the excess. Preemptively cutting the string's excess before it's properly secure can make reinstalling the string more difficult, if not impossible, if something goes awry.
Winding the string in the wrong direction
Pay attention to which side of the tuning post the string should wind around.
Don't get hung up on whether the tuner should turn clockwise or counterclockwise. Watch the string and make sure you're tightening it rather than loosening it.
Letting old strings stay on forever
If your strings are dull, rusty, or have been on the guitar for an extremely long time, replacing them can make a noticeable difference.
Acoustic Guitar String Changing: Quick Reference
When should you change them?
When the strings look dull or dark
When the guitar sounds noticeably less bright
When the strings begin to rust
When the strings have been on the guitar for an unusually long time
What do you need?
New steel-string acoustic guitar strings
Tuner
Needle-nose pliers
Guitar stand (helpful)
String winder (optional)
What is the basic process?
Loosen the old string.
Remove the bridge pin.
Remove the old string.
Identify the correct new string.
Insert the new string into the bridge.
Replace and properly seat the bridge pin.
Feed the string through the tuning post.
Wind the string in the correct direction.
Tune it.
Stretch it gently.
Retune it.
Trim the excess string.
Repeat for the remaining strings.
Video Demonstration
Final Thoughts
Changing your acoustic guitar strings is a basic skill that every guitarist should eventually learn.
You don't need a complicated collection of tools or specialized knowledge. With a tuner, needle-nose pliers, a fresh set of strings, and a little patience, you can handle the job yourself.
More importantly, don't overlook the effect that strings have on your playing.
If your guitar sounds dull, feels difficult to play, or the strings are visibly deteriorating, a fresh set may be all it needs. Taking care of these basic maintenance tasks can make practicing more enjoyable—and a guitar that's enjoyable to play is a guitar you're more likely to pick up and practice.
At Four on Six Music, we believe in helping guitarists understand why they're doing something, not just where to put their fingers. That applies to guitar maintenance, technique, music theory, and everything else that helps you become a better musician.
Frequently Asked Questions
How often should I change my acoustic guitar strings?
There's no universal schedule. Change them when they begin to look dull, sound dull, show signs of rust, or have simply been on the guitar for an unusually long time.
What gauge strings should I use on an acoustic guitar?
11- and 12-gauge sets are common choices for steel-string acoustic guitars, with 13-gauge sets also available. The best choice depends on the balance of playability and tone you want.
Are lighter guitar strings easier to play?
Generally, yes. Lighter-gauge strings require less effort to fret and can make techniques such as bending and single-note playing feel easier. Heavier strings generally provide a fuller tone.
Do I need a string winder to change guitar strings?
No. A string winder makes the process faster, but you can change strings by turning the tuning machines by hand.
Do I need needle-nose pliers to change acoustic guitar strings?
They aren't absolutely required, but they're extremely useful for removing stubborn bridge pins and trimming or bending excess string.
Should I remove all six strings at once?
You can, but this guide uses the approach of replacing the strings one at a time. Different guitarists use different methods.
Why do new guitar strings keep going out of tune?
New strings need time to stretch and settle. Gently stretching the strings as you tune them and then retuning them helps them stabilize.
How do I know which string goes where?
The strings are different gauges, and many string sets use color coding on the ends to help identify them. The thinnest string is the high E, while the thickest is the low E.
Can I use this method on a classical guitar?
Not exactly. Nylon-string classical guitars use a different stringing method, particularly at the bridge and tuning machines. This guide is for steel-string acoustic guitars.
Can old strings actually make a guitar harder to play?
Old strings can feel rough, dull, or unpleasant under your fingers, and they can make the overall playing experience less enjoyable. A fresh set can make a noticeable difference in both sound and feel.
Want to Improve Your Guitar Playing?
Changing your strings is one small part of learning to take care of your instrument. Understanding how your guitar works—and why certain choices affect its sound and playability—is an important part of becoming a better guitarist.
If you'd like help developing your technique, understanding music theory, or simply becoming a more confident player, Four on Six Music offers personalized in-home and online guitar and bass lessons.
Learn why music works—not just how to play it.
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