G♯7 / A♭7
3,322.438Hz at concert pitch
Press to hear a pure sine tone at this pitch.
MIDI note
104
Piano key
84
Octave
7
Frequency
3,322.438 Hz
Period
0.301 ms
Wavelength
0.1032 m
Pitch class
G♯
Notation
SPN
MIDI is the note number synths and software pass around (0–127). Pitch class is the note without its octave — all the G♯s share one. Enharmonic spellings (G♯7 and A♭7) name the same pitch two ways.
At other reference pitches
| Reference (A4) | G♯7 frequency | Where you meet it |
|---|---|---|
| 432 Hz | 3,262.03 Hz | the alternative-tuning circle |
| 440 Hzstandard | 3,322.438 Hz | the ISO 16 standard — concert pitch |
| 442 Hz | 3,337.54 Hz | many European orchestras tune a touch sharp |
| 443 Hz | 3,345.091 Hz | some sharper continental orchestras |
Every row is G♯7 — only the A4 you tune to changes. A frequency scales straight with the reference: G♯7 at 432 Hz is the 440 Hz value times 432⁄440.
Move around
Every G♯
Chords with G♯ in them
G♯ appears in each of these — see the whole chord grid.