D3 — 146.832 Hz
D3 (D3) is 146.832 Hz in standard equal temperament at A=440 Hz. It is MIDI note number 50.
D3 Frequency in All Tuning Systems
| Temperament | Frequency (Hz) | Cents from Equal | Common Usage |
|---|---|---|---|
| Equal Temperament | 146.832 Hz | 0.00 | Modern standard; piano, fretted instruments |
| Pythagorean Tuning | 146.666 Hz | -1.96 | Medieval/early music; string ensemble open fifths |
| Just / Pure | 147.164 Hz | +3.91 | A cappella vocal, barbershop, Renaissance |
| Meantone 1/3 Comma | 147.275 Hz | +5.22 | Renaissance vocal music in minor keys |
| Meantone 1/4 Comma | 147.123 Hz | +3.43 | Renaissance keyboard, early Baroque organ |
| 1/6 SC - Attenuated | 146.999 Hz | +1.97 | Baroque orchestral ensemble compromise |
| Kellner's Bach | 147.098 Hz | +3.13 | Bach keyboard reconstruction |
| Kirnberger III | 147.123 Hz | +3.43 | Classical-era keyboard, keys near C major |
| Vallotti | 146.999 Hz | +1.97 | Baroque/Classical orchestral tuning |
| Werckmeister III | 147.164 Hz | +3.91 | Baroque keyboard; Bach contemporaries |
| Werckmeister IV | 147.164 Hz | +3.91 | Baroque keyboard, strong key contrast |
| Werckmeister V | 147.497 Hz | +7.82 | Specialized Baroque keyboard |
Positive cents = sharper than equal temperament. Negative cents = flatter. 100 cents = 1 semitone.
D3 at Different Concert Pitches
The same note varies in frequency depending on the concert pitch standard used by your ensemble.
| Concert Pitch | Frequency (Hz) | Common Usage |
|---|---|---|
| A = 440 Hz (ISO standard) | 146.832 Hz | US, UK, and most modern ensembles worldwide |
| A = 442 Hz | 147.500 Hz | Many European orchestras; France, Germany |
| A = 443 Hz | 147.834 Hz | Berlin Philharmonic; some US orchestras |
| A = 432 Hz | 144.163 Hz | Alternative tuning; Baroque revival |
| A = 415 Hz (Baroque) | 138.490 Hz | Historically-informed Baroque performance |
f = f_at_A440 × (concert_pitch / 440)
Instruments That Play D3
D3 (146.832 Hz) falls within the comfortable playing range of 34 instruments.
D3 Across All Tuning Systems
Explore how D3 is tuned in each historical temperament system. Each tuning system gives D3 a slightly different frequency, affecting the harmonic character of chords and melodies.
D3 in Historical Temperament Systems
Explore how D3 (146.832 Hz in equal temperament) is tuned in each of the 15 historical non-equal temperament systems. Each system places D3 at a slightly different frequency based on its mathematical basis.
Tune D3 with precision — Get Tunable.
Tunable supports 15+ tuning systems including equal temperament, Pythagorean, just intonation, and historical well-temperaments. See exact Hz values in real-time as you play.
