What are the notes of cello strings?

The cello is tuned C G D A, from lowest to highest, in perfect fifths, one octave below the viola.

What frequency is the cello C string?

At A4 = 440 Hz the cello's C string (C2) is 65.41 Hz and the A string (A3) is 220 Hz.

Tune your cello online with your microphone. Bow or pluck a string and watch the needle.

The cello is tuned in fifths: C G D A, exactly one octave below the viola.

Also called · CGDA

§ 1

String 1 is the thinnest. Frequencies are exact at A4 = 440 Hz; change the reference on the A4 knob.

StrNoteFrequency

1AA3 · La220.0 Hz

2DD3 · Re146.8 Hz

3GG2 · Sol98.00 Hz

4CC2 · Do65.41 Hz

§ 2

Automatically with the microphone, or by ear: tap any note on the headstock to hear a real recorded reference.

1
Allow microphone access and place your device near the cello.
2
Start with the A string, then tune D, G and C.
3
Use the fine tuners for small adjustments. Low C can take a moment to read, so bow a long, steady note.

§ 3

1 tunings, all free. Notes listed from the lowest string.

§ 4

What are the notes of cello strings?: The cello is tuned C G D A, from lowest to highest, in perfect fifths, one octave below the viola.
What frequency is the cello C string?: At A4 = 440 Hz the cello's C string (C2) is 65.41 Hz and the A string (A3) is 220 Hz.

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