A ukulele sounds its best when each string is tuned to the right pitch. For standard tuning, the strings are G, C, E, and A, from the top string nearest your chin to the bottom string nearest the floor when you hold the instrument to play. A tuner makes the process straightforward, but a few careful habits matter too. This guide explains how to tune each string and check whether your ukulele is holding its pitch.
Know the Standard Tuning
Most soprano, concert, and tenor ukuleles use standard G–C–E–A tuning. Hold the instrument in playing position and count the strings from top to bottom: G is the string closest to your face, followed by C, E, and A. The G string is often tuned higher than the C string, a setup called re-entrant tuning. Some players use a low-G string instead, so check what is fitted before tuning.
Each string must reach its target note, not just sound close to a familiar melody. If you are unsure which string is which, tune one at a time and compare the tuner’s displayed note with the G, C, E, or A target. Avoid turning a peg quickly or forcing it. Small adjustments reduce the chance of passing the note or putting unnecessary strain on a string.
Tune with a Clip-On Tuner
Attach a clip-on tuner firmly to the headstock and switch it on. If it offers an instrument setting, select ukulele; otherwise, use chromatic mode. Pluck one string at a time with a gentle, clear stroke, then let the note ring while watching the display. Tune in a quiet space when possible, since nearby sounds can make the tuner respond to the wrong pitch.
Turn the corresponding tuning peg in small increments. If the note reads too low, raise its pitch; if it reads too high, lower it. Tuner displays vary, so follow the indicator or needle until it centers on the target note. After adjusting, pluck the string again and recheck. Repeat for all four strings, then check them once more because changing one string’s tension can slightly affect the others.
Make Tuning More Reliable
Pluck each string separately and let the sound settle before reading the tuner. A hard attack can briefly make a note appear sharper than it is. If the display jumps between notes, mute the other strings with your hand and try again. Check that the tuner is securely attached and that you are reading the correct target letter, especially if the note is far out of tune.
Tune up to the target pitch when you can. If you turn a peg too far, lower the string below the note and approach the target again with a gradual upward adjustment. This can help the tuning hold more consistently. Make small turns, pause to let the string respond, and stop if a peg feels unusually stiff or a string appears damaged.
Keep Strings in Tune
New strings often shift in pitch as they settle, so check tuning more frequently during the first period of playing. Temperature and humidity changes can also affect pitch. Tune before each practice or performance, and recheck after moving the ukulele between noticeably different environments. Store it away from direct heat and damp conditions to help protect the instrument and strings.
If a string repeatedly slips, inspect how it sits at the tuning peg and bridge, and check for visible wear or damage. A string that is not seated securely may need attention; do not pull it sharply to force it into place. If the problem continues, ask a qualified ukulele technician or music shop to inspect the setup. Regular, gentle checks are more useful than waiting until the instrument sounds noticeably off.
Remember the string order G–C–E–A, tune each string with small adjustments, and recheck the full set before playing. Regular checks help you notice pitch changes early and build a reliable tuning routine. If your ukulele will not hold its tuning, have the strings and setup inspected by a music professional.