Fig. 1 ·
The Online Tuner
♭ Flat
In tune
Sharp ♯
READY
A4 440 HZ
Strings · tap to hear
Start
A4 440

Press start and allow the microphone · nothing is recorded · or tap a string to tune by ear

Fig. 2 · Headstock · tap a note to hear it

Viola tuner online

Tune your viola online. Play a string and the tuner shows exactly how many cents sharp or flat it is.

The viola is tuned in fifths: C G D A. It's a fifth below the violin, sharing the violin's top three strings except the E.

Also called · CGDA

§ 1

String chart

String 1 is the thinnest. Frequencies are exact at A4 = 440 Hz; change the reference on the A4 knob.
StrNoteFrequency
1AA4 · La440.0 Hz
2DD4 · Re293.7 Hz
3GG3 · Sol196.0 Hz
4CC3 · Do130.8 Hz
§ 2

Tuning your viola

Automatically with the microphone, or by ear: tap any note on the headstock to hear a real recorded reference.
  1. 1

    Allow microphone access and play close to your device.

  2. 2

    Start with the A string, then tune D, G and C.

  3. 3

    Use the fine tuners for small changes and the pegs for larger ones.

§ 3

Viola tunings

1 tunings, all free. Notes listed from the lowest string.
§ 4

Questions & troubleshooting

What are the notes of viola strings?
The viola is tuned C G D A, from the lowest string to the highest, in perfect fifths.
How is viola tuning different from violin?
The viola is a fifth lower. It has a low C string instead of the violin's high E, and shares the G, D and A strings.
§ 5

The T-1 range

One tuner, set up for every instrument.