110 Hz — Nearest Note: A2
110 Hz is closest to A2 in equal temperament at A=440 Hz. The deviation is 0.00 cents (exactly on the nearest equal-tempered pitch).
110 Hz is a landmark in the harmonic series built on A. It is a pure octave of A440 — every doubling or halving of 440 Hz produces another A in a different octave. All A notes are exact powers of 2 times 440 Hz.
Multi-Temperament Context for A2
The table below shows how A2 is tuned in all 16 temperaments at A=440 Hz, and how far 110 Hz falls from each.
| Temperament | Hz (A=440) | vs Equal Temp (cents) | Distance from 110 Hz (cents) |
|---|---|---|---|
| Equal Temperament | 110.000 Hz | 0.00 | 0.00 |
| Pythagorean | 110.000 Hz | 0.00 | 0.00 |
| Just Intonation (Major) | 109.011 Hz | -15.64 | +15.64 |
| Just Intonation (Minor) | 109.011 Hz | -15.64 | +15.64 |
| Quarter-Comma Meantone | 110.000 Hz | 0.00 | 0.00 |
| Third-Comma Meantone | 110.000 Hz | 0.00 | 0.00 |
| Sixth-Comma Meantone | 110.000 Hz | 0.00 | 0.00 |
| Werckmeister III | 110.000 Hz | 0.00 | 0.00 |
| Werckmeister IV | 110.000 Hz | 0.00 | 0.00 |
| Werckmeister V | 110.000 Hz | 0.00 | 0.00 |
| Kirnberger III | 110.000 Hz | 0.00 | 0.00 |
| Vallotti | 110.000 Hz | 0.00 | 0.00 |
| Young (1799) | 110.000 Hz | 0.00 | 0.00 |
| Bach/Lehman | 110.000 Hz | 0.00 | 0.00 |
| Neidhardt | 110.000 Hz | 0.00 | 0.00 |
| Kellner (Bach) | 110.000 Hz | 0.00 | 0.00 |
Positive cents = 110 Hz is sharp of the temperament pitch. Negative = flat. The "Distance from 110 Hz" column answers: in which temperament does 110 Hz come closest to A2?
Chromatic Neighbors
The notes immediately below and above A2 on the chromatic scale (in equal temperament at A=440 Hz):
See full frequency data for A2.
Adjacent Frequencies in This Index
Other commonly-searched frequencies near 110 Hz:
Instruments That Play A2
A2 (110.000 Hz) falls within the comfortable playing range of 26 instruments.
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