Tonehole

Viola tuning

Viola Standard (C G D A) Tuning

A perfect fifth below the violin; reads alto clef.

String pitches & frequencies

StringNoteFrequencyMIDIInterval to next
4C3130.81 Hz48perfect fifth
3G3196.00 Hz55perfect fifth
2D4293.66 Hz62perfect fifth
1A4440.00 Hz69—

Strings listed from lowest to highest. Frequencies at A4 = 440 Hz, equal temperament.

How to tune to Standard (C G D A)

  1. Open the chromatic tuner (or play each reference tone above).
  2. Start from the lowest string and tune each one to C3, G3, D4, A4.
  3. Tune up to each pitch: if you overshoot, drop below and come back up so the string settles.
  4. Check every string once more — changing the tension of one string slightly pulls the others.

Frequently asked questions

What are the notes of Standard (C G D A) tuning?

C3 (130.81 Hz), G3 (196.00 Hz), D4 (293.66 Hz), A4 (440.00 Hz).

How do I tune a viola to Standard (C G D A)?

Tune each string to the pitches above with a chromatic tuner, starting from the lowest string; then re-check, because changing one string's tension slightly detunes the others.