Cello standard tuning in fifths: C G D A
This cello tuner listens through your microphone and shows the closest string, how many cents you are from it, and whether to tighten or loosen. Tap any string's button to hear its reference tone and tune by ear instead.
| String (top to bottom) | Note | Frequency |
|---|---|---|
| 1 | C2 | 65.41 Hz |
| 2 | G2 | 98.00 Hz |
| 3 | D3 | 146.83 Hz |
| 4 | A3 | 220.00 Hz |
Tips for tuning a cello
The cello is tuned an octave below the viola. Tune the A string first, then D, G and C. Bowing a long, steady note gives the tuner the clearest signal.
Tune in a quiet room, play one string at a time, and let it ring past the initial attack before you read the needle. Within ±5 cents is in tune for almost any purpose. Your audio is analysed in your browser and never uploaded.
Prefer a different instrument? See the chromatic tuner or any of the tuners below.
Questions
What are the notes of a cello in standard tuning in fifths?
From the lowest string: C2 (65.41 Hz), G2 (98.00 Hz), D3 (146.83 Hz), A3 (220.00 Hz).
How do I tune a cello without a tuner?
Tap each string's reference tone on this page and adjust the peg until the string matches it. When two notes are almost the same you'll hear a slow wobble; it disappears when they match.
Does the tuner work on my phone?
Yes. Open the page in your phone's browser, allow the microphone and hold the phone close to the instrument.
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