G024.500 Hz

G0 (G0) is 24.500 Hz in standard equal temperament at A=440 Hz. It is MIDI note number 19.

G0 Frequency in All Tuning Systems

Temperament Frequency (Hz) Cents from Equal Common Usage
Equal Temperament 24.500 Hz 0.00 Modern standard; piano, fretted instruments
Pythagorean 24.444 Hz -3.96 Medieval/early music; string ensemble open fifths
Just Intonation (Major) 24.527 Hz +1.91 A cappella vocal, barbershop, Renaissance
Just Intonation (Minor) 24.527 Hz +1.91 Minor-key vocal music, string ensembles
Quarter-Comma Meantone 24.597 Hz +6.84 Renaissance keyboard, early Baroque organ
Third-Comma Meantone 24.639 Hz +9.79 Renaissance vocal music in minor keys
Sixth-Comma Meantone 24.569 Hz +4.87 Baroque orchestral ensemble compromise
Werckmeister III 24.611 Hz +7.83 Baroque keyboard; Bach contemporaries
Werckmeister IV 24.527 Hz +1.91 Baroque keyboard, strong key contrast
Werckmeister V 24.611 Hz +7.83 Specialized Baroque keyboard
Kirnberger III 24.597 Hz +6.84 Classical-era keyboard, keys near C major
Vallotti 24.555 Hz +3.88 Baroque/Classical orchestral tuning
Young (1799) 24.583 Hz +5.86 Classical-era keyboard
Bach/Lehman 24.555 Hz +3.88 Bach keyboard works, Well-Tempered Clavier
Neidhardt 24.527 Hz +1.91 18th century keyboard, near-equal alternative
Kellner (Bach) 24.588 Hz +6.21 Bach keyboard reconstruction

Positive cents = sharper than equal temperament. Negative cents = flatter. 100 cents = 1 semitone.

G0 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) 24.500 Hz US, UK, and most modern ensembles worldwide
A = 442 Hz 24.611 Hz Many European orchestras; France, Germany
A = 443 Hz 24.667 Hz Berlin Philharmonic; some US orchestras
A = 432 Hz 24.054 Hz Alternative tuning; Baroque revival
A = 415 Hz (Baroque) 23.108 Hz Historically-informed Baroque performance

f = f_at_A440 × (concert_pitch / 440)

G0 Across All Tuning Systems

Explore how G0 is tuned in each historical temperament system. Each tuning system gives G0 a slightly different frequency, affecting the harmonic character of chords and melodies.

Tune G0 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.