415 Hz — Nearest Note: G#4 / Ab4
415 Hz is closest to G#4 / Ab4 in equal temperament at A=440 Hz. The deviation is -1.27 cents (flat of the nearest equal-tempered pitch).
415 Hz is the Baroque pitch standard used in historically-informed performance practice. It is approximately one semitone below modern A=440 Hz, matching the pitch level of many surviving Baroque instruments.
Multi-Temperament Context for G#4 / Ab4
The table below shows how G#4 / Ab4 is tuned in all 16 temperaments at A=440 Hz, and how far 415 Hz falls from each.
| Temperament | Hz (A=440) | vs Equal Temp (cents) | Distance from 415 Hz (cents) |
|---|---|---|---|
| Equal Temperament | 415.305 Hz | 0.00 | -1.27 |
| Pythagorean | 417.657 Hz | +9.78 | -11.05 |
| Just Intonation (Major) | 418.601 Hz | +13.69 | -14.96 |
| Just Intonation (Minor) | 418.601 Hz | +13.69 | -14.96 |
| Quarter-Comma Meantone | 411.220 Hz | -17.11 | +15.84 |
| Third-Comma Meantone | 409.871 Hz | -22.80 | +21.53 |
| Sixth-Comma Meantone | 412.531 Hz | -11.60 | +10.33 |
| Werckmeister III | 416.244 Hz | +3.91 | -5.18 |
| Werckmeister IV | 414.835 Hz | -1.96 | +0.69 |
| Werckmeister V | 414.835 Hz | -1.96 | +0.69 |
| Kirnberger III | 416.244 Hz | +3.91 | -5.18 |
| Vallotti | 416.244 Hz | +3.91 | -5.18 |
| Young (1799) | 415.775 Hz | +1.96 | -3.23 |
| Bach/Lehman | 416.244 Hz | +3.91 | -5.18 |
| Neidhardt | 415.775 Hz | +1.96 | -3.23 |
| Kellner (Bach) | 416.244 Hz | +3.91 | -5.18 |
Positive cents = 415 Hz is sharp of the temperament pitch. Negative = flat. The "Distance from 415 Hz" column answers: in which temperament does 415 Hz come closest to G#4 / Ab4?
Chromatic Neighbors
The notes immediately below and above G#4 / Ab4 on the chromatic scale (in equal temperament at A=440 Hz):
See full frequency data for G#4 / Ab4.
Adjacent Frequencies in This Index
Other commonly-searched frequencies near 415 Hz:
Instruments That Play G#4 / Ab4
G#4 / Ab4 (415.305 Hz) falls within the comfortable playing range of 46 instruments.
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