A4 D4 F#4 B4 Ukulele Tuner

Tune your ukulele to A4 D4 F#4 B4 (4-string) with a strobe display that resolves to less than 0.1 cent. The table below lists every target string; click to launch the tuner already set to A4 D4 F#4 B4.

Open the free A4 D4 F#4 B4 tuner

A4 D4 F#4 B4 notes & frequencies

#NoteHz
1A4440.0
2D4293.7
3F#4370.0
4B4493.9

Why a strobe beats a needle

A needle answers "what is the average pitch right now?" A multi-harmonic strobe adds an extra layer to the tuning visualization by showing several harmonics at once, so you can fine-tune more confidently to fractions of a cent.

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Published by Applicaudia, the maker of StroboPro. The less than 0.1 cent figure describes the tuner's display resolution, not a lab-measured accuracy specification. Frequency values are equal-temperament approximations.