Guitar Tuner

Play one string: the tuner finds which one it is and shows whether to tune up or down.

 

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Tuner settings

Reference pitch

A4 · 440 Hz

440 Hz is standard. Orchestras often tune to 442 Hz, baroque ensembles to 415 Hz.

Note names

Tuning

Play one string: the tuner finds which one it is and shows whether to tune up or down.

Standard and alternate tunings

EADGBE, Drop D, half and whole step down, Drop C, DADGAD, open G, open D and 7-string. Tap a string to hear its reference tone.

Questions

What are the notes of standard guitar tuning?

From the thickest string: E2, A2, D3, G3, B3, E4.

How do I tune to Drop D?

Choose Drop D and lower the sixth string from E to D until the needle is centred.

Does it work on a phone?

Yes. Open the page, allow the microphone and play a string near the phone.