Online Guitar Tuner
Standard tuning — E A D G B E. Click a string to hear its reference pitch. Click again to stop.
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What is standard tuning for a guitar?
Standard tuning for a 6-string guitar is E2, A2, D3, G3, B3, E4 — from the lowest string to the highest. This is the most common tuning for acoustic and electric guitars.
How do I use this online guitar tuner?
Click a button to hear the pitch for that string. Match the sound on your guitar by ear. Only one note plays at a time. Click the same button again to stop.