tempo
metronome
tuner
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
—
-50
0
+50
▶ start
A4 =
Hz
detection mode
normal
slow
default; full instrument range
tuning reference
guitar
bass
ukulele
violin
mandolin
banjo
standard
drop d
dadgad
open g
open d
open e
half step down
full step down
open c
1
E4
329.6 Hz
2
B3
246.9 Hz
3
G3
196.0 Hz
4
D3
146.8 Hz
5
A2
110.0 Hz
6
E2
82.4 Hz
tap a note below to play its tone
E4
B3
G3
D3
A2
E2