Online Violin Tuner (G3 – D4 – A4 – E5)

Bow or pluck each open string to check cent accuracy, or click a string button below to tune by ear in fifths.

0.0 Hz 0 cents

-50c (Flat) In Tune +50c (Sharp)

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Violin Open String Frequencies & Tuning Order

String	Note	Equal Temperament (A4 = 440 Hz)	Pure Fifths Reference
1st (Thinnest)	E5	659.25 Hz	660.00 Hz (+2 cents)
2nd	A4	440.00 Hz	440.00 Hz (0 cents)
3rd	D4	293.66 Hz	293.33 Hz (-2 cents)
4th (Thickest)	G3	196.00 Hz	195.56 Hz (-4 cents)