How to Change Ukulele Strings
Master stringing your ukulele cleanly with secure bridge knots, proper peg wraps, and initial stretching techniques for long-lasting tuning stability.
- Read the tools, materials, safety notes, and steps below for free.
- Tap Start Camera Coach when you want hands-free voice help.
- Allow camera and microphone. Point your phone at the work; the coach watches your progress and tells you the next step.
🧰 Required Tools & Equipment
- ✓ String winder
- ✓ Small wire cutters or heavy-duty nail clippers
- ✓ Digital clip-on tuner
- ✓ Microfiber cloth
📦 Materials & Supplies
- ✓ Set of ukulele strings (standard nylon or fluorocarbon, G-C-E-A)
- ✓ Fretboard oil (optional)
⚠️ Safety Checkpoints & Warnings
- • Keep the headstock pointed away from your eyes when tensioning new strings.
- • Do not over-tighten; nylon strings snap suddenly under excessive tension.
- • Support the neck on a rolled towel to avoid snapping the headstock joint under pressure.
📋 Step-by-Step Guide (6 Steps)
Prep the Workspace and Slacken Old Strings
Lay your ukulele flat on a soft cloth with the neck supported by a small rolled towel. Turn the tuning pegs clockwise (or counter-clockwise depending on the peg direction) to loosen all four strings until they are completely limp. Cut the loosened strings over the soundhole using wire cutters or simply untie them from the tuning posts.
- • Old strings are completely loose with zero tension before cutting.
- • Ukulele body rests level and stable on the padded surface.
- • Cutting strings while still under tension, causing them to whip and scratch the instrument or eyes.
Remove Old Strings and Clean the Fretboard
Unthread the cut string pieces from both the headstock tuning posts and the bridge holes. Use your microfiber cloth to wipe dust and sweat buildup off the headstock, fretboard, and around the bridge area while access is unobstructed. Apply a single drop of fretboard oil across the wood if it appears dry, rubbing it in thoroughly.
- • Bridge slots and peg holes are completely empty.
- • Fretboard wood is clean, smooth, and free of dust build-up.
- • Leaving string fragments caught inside the bridge slots.
Anchor the New Strings to the Bridge
Identify your strings by their labeled numbers or color codes (4th-G, 3rd-C, 2nd-E, 1st-A). Feed the 3rd string (C string, usually the thickest) through the bridge hole from the soundhole side toward the bottom edge. Tie a secure bridge knot by looping the short tail under and wrapping it twice through the loop, then pull tight against the tie block.
- • Knot sits flat and locked firmly against the back edge of the bridge tie block.
- • Correct string gauge is matched to the proper bridge slot.
- • Leaving the bridge knot loose, causing the string to slip out suddenly under tension.
Thread and Wind onto the Tuning Post
Pull the loose end of the string up the neck and thread it through the hole of the corresponding tuning peg. Pull the string taut, then pull back approximately 1.5 to 2 inches of slack to allow for neat winds around the post. Turn the tuning peg so the string winds inward toward the center of the headstock, guiding the wraps downward neatly beneath the hole.
- • String wraps spiral downward around the post without overlapping messily.
- • String leaves the post winding toward the center of the headstock.
- • Winding outward, which causes strings to pull against the nut at incorrect angles.
Repeat for the Remaining Strings
Repeat the bridge knotting and peg threading process for the G (4th), E (2nd), and A (1st) strings in order. Ensure each string sits squarely in its corresponding nut slot at the top of the neck and bridge saddle groove at the bottom. Wind each peg until moderate tension is reached and the string produces a clear tone.
- • All four strings are aligned inside their designated nut and saddle slots.
- • Headstock posts have 2 to 4 neat coils each.
- • Mixing up the G and A string positions or putting the thick C string in the high A slot.
Tune, Stretch, and Trim Excess String
Clip your digital tuner to the headstock and bring all strings up to pitch (G4-C4-E4-A4 for standard reentrant tuning). Gently lift each string 1 inch off the 12th fret with your fingers to stretch the nylon, then retune, repeating this 3-4 times. Clip the remaining excess string tails at both the headstock and bridge leaving about a quarter-inch safety tail.
- • Digital tuner reads green on all four open strings (G-C-E-A).
- • Excess string tails are cleanly trimmed without touching the soundboard.
- • Trimming the string tails flush to the knot, leading to knots unraveling under tension.
Don’t have everything?
- No Wire cutters? Heavy-duty nail clippers
- No Fretboard oil / conditioner? A drop of pure, unscented mineral oil
- No Ukulele neck cradle? Tightly rolled hand towel