Ukulele Tuner targets: G4 C4 E4 A4
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Tune a re-entrant ukulele to the common G C E A setup using your browser microphone. The page opens with the four ukulele targets selected.
G C E A is the standard tuning for many soprano, concert, and tenor ukuleles. The G string is commonly re-entrant, meaning G4 sits above the C4 string rather than below it. That non-linear order gives familiar ukulele chords their compact, bright sound.
Ukulele strings react noticeably to temperature, handling, and stretching. New strings may need frequent retuning for several days. Make small adjustments, avoid pulling a string far above its target, and check the complete set again after a few minutes of playing.
Remember that the first target shown, G4, is intentionally higher than C4. Do not lower it by an octave unless the instrument is specifically fitted for low-G tuning, which uses a different target than this page.
The seventh fret of the C4 string should match the open G4, the fourth fret of C4 should match open E4, and the fifth fret of E4 should match open A4. Use these comparisons after all four open strings register correctly in the tuner.
Re-entrant tuning keeps all four open pitches within a relatively narrow range instead of ordering them strictly from low to high. Chords therefore blend closely, and the high G often acts as a bright upper voice even though it is physically the fourth string.
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