Wind the string in the right direction so it stays in tune
The way you wind a string onto the tuning peg matters. Wind it the wrong way and the string will slip, go flat, and refuse to hold pitch. Wind it correctly and the string will stay tight, tune up cleanly, and hold its note through playing.
For the three bass strings (the thickest ones on the headstock), wind downward — meaning the string wraps down the post toward the body of the guitar. For the three treble strings (the thinnest ones), wind upward — the string wraps up the post away from the body. This creates even tension and prevents the string from slipping under its own weight.
The direction matters because gravity works against you. If you wind a bass string upward, the weight of the string pulls down on the coils, and they unwind. If you wind a treble string downward, the same thing happens. Winding into the direction that gravity supports keeps the string locked in place.
Key Takeaways
- Bass strings (the three thickest) wind downward on the tuning peg; treble strings (the three thinnest) wind upward.
- Leave about two inches of slack string between the bridge and the tuning peg before you start winding.
- Keep tension on the string with your other hand while winding so the coils sit tight and neat against each other.
- Wind until the string is snug but not yet at pitch, then tune up slowly to avoid breaking the string.
- Two to three coils around the post is typical for treble strings; one to two coils for bass strings.
Measure and cut the string to the right length
Before you wind anything, you need to know how much string to leave. Too much and you'll wind forever and waste string. Too little and you won't have enough wraps to hold the string in place.
Hold the new string up to the tuning peg post. The string should reach from the bridge (where it's anchored at the body end) to about two inches past the tuning peg post. That two-inch overhang is what you'll wind around the post. If the string is longer, trim it with wire cutters or heavy scissors before you thread it through the post hole.
This measurement prevents you from winding too many coils, which makes the string harder to tune and wastes material. It also ensures you have enough string to create a find grip on the post.
Thread the string through the tuning peg post hole
The tuning peg post is a small metal cylinder sticking out from the headstock. It has a hole drilled through it. Push the cut end of the string straight through that hole until about half an inch pokes out the other side.
The string should go through cleanly. If it binds or feels tight, the hole may be clogged with old string or corrosion. Use a small piece of sandpaper or a guitar cleaning cloth to clear it, then try again.
Once the string is threaded, you're ready to start winding. The half-inch that pokes through the back of the post will be caught by the first wrap of string you make, so don't worry about it falling out.
Hold tension and wind in the correct direction
Use your left hand (or your non-dominant hand) to hold the string taut between the bridge and the tuning peg. Keep steady, even pressure — not so tight that you strain, but tight enough that the string doesn't go slack. This tension keeps the coils neat and prevents them from bunching or crossing over each other.
With your right hand, turn the tuning peg knob away from the guitar body. For bass strings on the left side of the headstock, this means turning the knob downward and toward you. For treble strings on the right side, turn the knob upward and toward you. The direction depends on which side of the headstock the peg is on, but the rule is always the same: wind so the string wraps downward on bass posts and upward on treble posts.
Turn the knob slowly and steadily. Each full rotation of the knob wraps the string once around the post. Watch the string coil neatly against the post. If a coil crosses over a previous one or bunches up, stop, loosen the tension slightly, and adjust the string by hand so it sits flat. Then continue winding.
Wind until you have two to three neat coils
For treble strings (the thin ones), two to three coils around the post is standard. For bass strings (the thick ones), one to two coils is usually enough because the thicker string grips better. Stop winding before the string reaches pitch — you want the string snug but still slack enough to turn the tuning peg by hand without strain.
Count the coils as you wind. The first coil should sit right at the edge of the post hole. Each coil after that should sit next to the previous one, moving down the post (for bass) or up the post (for treble). If a coil lands on top of a previous one, you've wound too far or the string slipped. Unwind back to where the coils were neat, adjust the string, and start again.
The goal is a neat spiral of coils, each one touching the next, with no gaps and no overlaps. This arrangement holds the string securely and lets you tune smoothly without the string binding or slipping.
Tune up slowly to avoid breaking the string
Once the string is wound, use the tuning peg to bring the string up to pitch. Turn the knob slowly — a quarter turn at a time. Stop and pluck the string to check the pitch. This slow approach lets the string settle into the coils and prevents sudden tension spikes that can snap a new string.
You may hear the string creak or feel the tuning peg resist slightly as the string tightens. This is normal. The string is seating itself in the coils and finding its final position. Keep turning slowly until the string reaches the correct pitch according to a tuner or a reference note.
New strings often go flat quickly in the first few hours of playing. Retune every few minutes for the first session. This is not a sign you wound it wrong — it's the string stretching and settling. After a day or two of playing, the string will hold pitch much more consistently.
Trim the excess string and check your work
Once the string is at pitch, use wire cutters to trim the excess string sticking out the back of the tuning peg post. Leave about a quarter inch so the string doesn't unwind, but cut close enough that you don't have a long tail that could catch on something or look messy.
Pluck the string and listen. It should ring clearly without buzzing or rattling. If it buzzes, the string may not be wound tightly enough, or a coil may be sitting on top of another one instead of next to it. If it sounds dull or muted, the string may be wound too tightly or the coils may be pinching it. In either case, loosen the tuning peg slightly, adjust the coils by hand, and retighten.
Check that the string sits in the nut groove at the headstock end and in the bridge saddle at the body end. The string should run straight from the nut to the tuning peg with no kinks or sharp bends. If it doesn't, loosen the string, reposition it, and retune.
Frequently Asked Questions
What happens if I wind the string the wrong direction?
The string will slip and go flat as you play. Gravity pulls on the coils, and they unwind. You'll spend the whole song retuning. Unwind the string, rewind it in the correct direction, and retune.
Can I wind a string too many times around the post?
Yes. More than three coils on a treble string or two on a bass string makes the string harder to tune smoothly and wastes material. The tuning peg may also feel stiff or bind. Unwind the excess coils and retune.
Why does my new string keep going flat?
New strings stretch as the tension settles into the coils and the string itself adjusts to the load. Retune every few minutes for the first hour of playing. After a day or two, the string will hold pitch much better. This is normal and does not mean you wound it incorrectly.
Should I wind the string tightly or loosely?
Wind it snugly so each coil sits flat against the post and the previous coil, with no gaps. The coils should not overlap or bunch. Snug winding prevents slipping and lets you tune smoothly without the string binding.
What if the string breaks while I'm winding it?
Stop when ready and remove the broken string. Unwind any coils still on the post, pull the string out of the bridge, and discard it. Install a new string and start over. Breaking during winding usually means you wound too tightly or too fast, so wind more slowly next time.