PitchRef shows the frequency of every note in equal temperament at any concert pitch. Choose A4 = 440 Hz (modern standard), 432 Hz (alternative), 442 Hz (orchestra), 415 Hz (baroque), or 466 Hz (high baroque), pick an octave, and read off every note in cents-accurate Hz.
WHAT IT'S FOR
- Tuning analog instruments by ear
- Studying historical pitch
- Referencing exact frequencies in a DAW
WHAT'S BUILT IN
- 9 octaves (C0..C8)
- 5 reference pitches
- All 12 notes per octave
- 100% offline, no account, no tracking
Frequencies for every note at A=440, 432, 442, 415, 466. Equal temperament.