Free Guitar Tuner
Tune your guitar with real-time pitch detection. Choose from 32 different tunings including standard, drop, and open tunings.
--
-- Hz
-- cents
Guitar - Click a string to hear reference tone
Play a single string and center the indicator for perfect tuning.
Green = In tune | Yellow = Close | Red = Adjust needed
How to Tune Your Guitar
Start Listening
Click "Start Tuning" to activate the microphone. Grant permission when prompted by your browser.
Play a String
Pluck one string at a time. The tuner will detect the pitch and show you how close it is to the target note.
Adjust Tuning
Turn the tuning peg until the needle centers and turns green. Click any string button to hear the reference pitch.
Current Tuning: Standard
The standard guitar tuning. Most common and recommended for beginners.
| String | Note | Frequency |
|---|---|---|
| 6 (thickest) | E2 | 82.41 Hz |
| 5 | A2 | 110.00 Hz |
| 4 | D3 | 146.83 Hz |
| 3 | G3 | 196.00 Hz |
| 2 | B3 | 246.94 Hz |
| 1 (thinnest) | E4 | 329.63 Hz |
Ready to Play?
Now that your guitar is in tune, learn some new chords on ChordBridge!