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C Standard Tuning
C standard lowers every string two whole steps (four semitones). Chord shapes stay the same; heavier strings (11s or 12s and up) keep the low strings from flopping.
Sound is analysed on your device; nothing is recorded or uploaded.
Target · Waiting for a note
–
Press Start and allow the microphone.
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Tap a string to hear its note and tune only that string. Switch back to Auto to let the tuner pick the string.
Pitch trace (centre line = in tune, ±50 cents)
C Standard Tuning: string notes and how to tune from standard
Typical styles: Doom, stoner and heavy metal.
| String | Note | Frequency | Standard | Change |
|---|---|---|---|---|
| 6 | C2 | 65.41 Hz | E2 | down 4 semitones |
| 5 | F2 | 87.31 Hz | A2 | down 4 semitones |
| 4 | B♭2 | 116.54 Hz | D3 | down 4 semitones |
| 3 | E♭3 | 155.56 Hz | G3 | down 4 semitones |
| 2 | G3 | 196.00 Hz | B3 | down 4 semitones |
| 1 | C4 | 261.63 Hz | E4 | down 4 semitones |
Guitar tunings
Every tuning the tuner knows, lowest string first, with each string’s frequency at A4 = 440 Hz.
| Tuning | Notes | Frequencies (Hz) |
|---|---|---|
| Standard | E2 A2 D3 G3 B3 E4 | 82.41 · 110.00 · 146.83 · 196.00 · 246.94 · 329.63 |
| Drop D | D2 A2 D3 G3 B3 E4 | 73.42 · 110.00 · 146.83 · 196.00 · 246.94 · 329.63 |
| Half step down (E♭) | E♭2 A♭2 D♭3 G♭3 B♭3 E♭4 | 77.78 · 103.83 · 138.59 · 185.00 · 233.08 · 311.13 |
| D standard (full step down) | D2 G2 C3 F3 A3 D4 | 73.42 · 98.00 · 130.81 · 174.61 · 220.00 · 293.66 |
| Drop C | C2 G2 C3 F3 A3 D4 | 65.41 · 98.00 · 130.81 · 174.61 · 220.00 · 293.66 |
| C standard | C2 F2 B♭2 E♭3 G3 C4 | 65.41 · 87.31 · 116.54 · 155.56 · 196.00 · 261.63 |
| Open D | D2 A2 D3 F♯3 A3 D4 | 73.42 · 110.00 · 146.83 · 185.00 · 220.00 · 293.66 |
| Open D minor (DADFAD) | D2 A2 D3 F3 A3 D4 | 73.42 · 110.00 · 146.83 · 174.61 · 220.00 · 293.66 |
| Open G | D2 G2 D3 G3 B3 D4 | 73.42 · 98.00 · 146.83 · 196.00 · 246.94 · 293.66 |
| Open E | E2 B2 E3 G♯3 B3 E4 | 82.41 · 123.47 · 164.81 · 207.65 · 246.94 · 329.63 |
| Open C | C2 G2 C3 G3 C4 E4 | 65.41 · 98.00 · 130.81 · 196.00 · 261.63 · 329.63 |
| DADGAD | D2 A2 D3 G3 A3 D4 | 73.42 · 110.00 · 146.83 · 196.00 · 220.00 · 293.66 |
| Drop B | B1 F♯2 B2 E3 G♯3 C♯4 | 61.74 · 92.50 · 123.47 · 164.81 · 207.65 · 277.18 |
| 7-string standard | B1 E2 A2 D3 G3 B3 E4 | 61.74 · 82.41 · 110.00 · 146.83 · 196.00 · 246.94 · 329.63 |
More tuners
Guitar tunings
Practising after tuning? Keep time with the online metronome.
About the C Standard Tuning
C standard lowers every string two whole steps (four semitones). Chord shapes stay the same; heavier strings (11s or 12s and up) keep the low strings from flopping.
How to use it
- 1 Press Start tuner and allow the microphone.
- 2 Pick your tuning, or keep Standard (E A D G B E).
- 3 Pluck one open string and let it ring: the tuner shows the string and a needle.
- 4 Tighten the string if it says tune up, loosen it if it says tune down, until the needle sits in the green and the string gets a tick.
Frequently asked questions
What are the notes of C Standard tuning?
From the 6th (thickest) string to the 1st: C F B♭ E♭ G C. From standard tuning: string 6 down 4 semitones to C2, string 5 down 4 semitones to F2, string 4 down 4 semitones to B♭2, string 3 down 4 semitones to E♭3, string 2 down 4 semitones to G3, string 1 down 4 semitones to C4.
What is C Standard tuning used for?
Doom, stoner and heavy metal.
Is my audio recorded or uploaded?
No. The tuner analyses the sound from your microphone in your browser, a few times a second, and throws it away. Nothing is recorded, saved or sent to a server.
Why does the tuner jump between notes?
Usually because more than one string is ringing, the room is noisy, or the note has faded. Mute the other strings with your fretting hand, pluck firmly, and read the needle while the note is still strong. Moving closer to the microphone helps on laptops.
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