Free Online Tuner

Some Notes on the use of our Free Online Tuner

A440 is the note A4 on the tuning keyboard

Clicking a key on the piano will play a MIDI file.

Common tunings for many instruments are listed below

Korg Ca-2

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C7 B6 Bb6 A6 Ab6 G6 Gb6 F6 E6 Eb6 D6 Db6 C6 B5 Bb5 A5 Ab5 G5 Gb5 F5 E5 Eb5 D5 Db5 C5 B4 Bb4 A4 Ab4 G4 Gb4 F4 E4 Eb4 D4 Db4 Middle C B3 Bb3 A3 Ab3 G3 Gb3 F3 E3 Eb3 D3 Db3 C3 B2 Bb2 A2 Ab2 G2 Gb2 F2 E2 Eb2 D2 Db2 C2

Musical Instruments Range and Notes (Lowest to Highest)
(5th string listed first)
Standard G tuning - G4, D3, G3, B3, D4
Double C tuning - G4, C3, G3, C4, D4
G2 G2, D3 D3, A3 A3, D4 D4
The lowest string on a harp is generally C2 and then it just follows the white keys of the piano. Consult your string chart for the specific range of your harp.
C4 to C6
Dronestrings (D3 and G3); Melody strings (D4, D4)
E2, A2, D3, G3, B3, E4
F2 F2, G2 G2, C3 C3, F3 F3, A3 A3, D4 D4, G4
A3, B3, C#4, D4, E4, F#4, G4, A4, B4. D5
C3 C3, G3 G3, D4 D4, A4 A4
C2 C2, G2 G2, D3 D3, A3 A3
G3 G3, D4 D4, A4 A4, E5 E5
D3, A3, (A3 A3)
G2 G2, D3 D3, A3 A3, E4 E4
D3 G3 D4 (other tunings D3 A3 A3 or D3 A3 C3)
Tenor Guitar
C3, G3, D4, A4
D3. G3, B3, E4
G4, C4, E4, A4