6-String Bass Tuner
Tune a 6-string bass to B E A D G C with your microphone. Drop A is in the menu too, and the tuner can hear notes down to the low B.
- Free, no sign-up
- B E A D G C
- Low-B detection
- Private, on-device
Reference pitch (A4)
Hz
Lower it in noisy rooms
Press Start tuning, then play a string
0/6 tuned
6-String Standard notes
A4 = 440 Hz| String | Note | Frequency |
|---|---|---|
| 6 | B0 | 30.87 Hz |
| 5 | E1 | 41.20 Hz |
| 4 | A1 | 55.00 Hz |
| 3 | D2 | 73.42 Hz |
| 2 | G2 | 98.00 Hz |
| 1 | C3 | 130.81 Hz |
Low B and high C
A 6-string bass is tuned B E A D G C. This is standard 4-string tuning with a low B0 added below and a high C3 added above. Every string is a fourth apart.
If your microphone has trouble with the low B, play the harmonic at the 12th fret in Manual mode.
Keyboard shortcuts
- Space Start or stop the microphone
- 1–9 Play a string’s reference note
- M Switch Auto / Manual mode
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Start the tuner
Press Start tuning and allow access to the microphone. Hold your 6-string bass 20–50 cm from the mic.
-
Play one string
Pluck one string and let it ring. Auto mode shows the closest string. To stay on one string, switch to Manual.
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Adjust the tuning machine
If the needle is on the left, tighten the string to raise the pitch. If it is on the right, loosen it. Stop when the needle is in the middle and turns green.
Frequently asked questions
How is a 6-string bass tuned?
B0 E1 A1 D2 G2 C3, with every string a perfect fourth apart.
What is drop A on a 6-string bass?
Drop A lowers the B string a whole step to A0, giving A E A D G C.
Why is my low B hard to tune?
At about 31 Hz, it is too low for most built-in mics to pick up. Use the harmonic at the 12th fret in Manual mode, or plug into an audio interface.
All bass tunings
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