☰
JI Pitch Ruler
Microphone
Reference
Fundamental frequency
Custom
C1
C♯1
D1
D♯1
E1
F1
F♯1
G1
G♯1
A1
A♯1
B1
C2
C♯2
D2
D♯2
E2
F2
F♯2
G2
G♯2
A2
A♯2
B2
C3
C♯3
D3
D♯3
E3
F3
F♯3
G3
G♯3
A3
A♯3
B3
C4
C♯4
D4
D♯4
E4
F4
F♯4
G4
G♯4
A4
A♯4
B4
C5
C♯5
D5
D♯5
E5
F5
F♯5
G5
G♯5
A5
Ratios
1/1 8/7 5/4 4/3 11/8 16/11 3/2 8/5 7/4 2/1
Save Session
Reset
Display
Show cents deviation
Show Hz values
Ghost trail
Wrap to octave
Show 12-EDO reference
Label position
15%
Tracking
Show Hz
Show deviation
Show nearest ratio
Ruler position
75%
Stability
8
Speed
6
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Thomas LeRoy Meier