F♯7 : 2959.955 Hz
F♯7 (F-sharp 7) is 2959.955 Hz in standard equal temperament at A=440 Hz. It is MIDI note number 102. This is the sharp spelling of this pitch, see also G♭7.
F♯ is the first sharp added to a key signature (G major) and appears in every sharp key. It is the tonic of F♯ major (6 sharps).
F♯7 Frequency in All Tuning Systems
| Temperament | Frequency (Hz) | Cents from Equal | Common Usage |
|---|---|---|---|
| Equal Temperament | 2959.955 Hz | 0.00 | Modern standard; piano, fretted instruments |
| Pythagorean Tuning | 2970.009 Hz | +5.87 | Medieval/early music; string ensemble open fifths |
| Just / Pure | 2943.288 Hz | -9.78 | A cappella vocal, barbershop, Renaissance |
| Meantone 1/3 Comma | 2936.641 Hz | -13.69 | Renaissance vocal music in minor keys |
| Meantone 1/4 Comma | 2942.465 Hz | -10.26 | Renaissance keyboard, early Baroque organ |
| 1/6 SC - Attenuated | 2948.267 Hz | -6.85 | Baroque orchestral ensemble compromise |
| Kellner's Bach | 2958.622 Hz | -0.78 | Bach keyboard reconstruction |
| Kirnberger III | 2961.631 Hz | +0.98 | Classical-era keyboard, keys near C major |
| Vallotti | 2959.955 Hz | 0.00 | Baroque/Classical orchestral tuning |
| Werckmeister III | 2959.955 Hz | 0.00 | Baroque keyboard; Bach contemporaries |
| Werckmeister IV | 2946.615 Hz | -7.82 | Baroque keyboard, strong key contrast |
| Werckmeister V | 2959.955 Hz | 0.00 | Specialized Baroque keyboard |
Positive cents = sharper than equal temperament. Negative cents = flatter. 100 cents = 1 semitone.
F♯7 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) | 2959.955 Hz | US, UK, and most modern ensembles worldwide |
| A = 442 Hz | 2973.410 Hz | Many European orchestras; France, Germany |
| A = 443 Hz | 2980.137 Hz | Berlin Philharmonic; some US orchestras |
| A = 432 Hz | 2906.138 Hz | Alternative tuning; Baroque revival |
| A = 415 Hz (Baroque) | 2791.776 Hz | Historically-informed Baroque performance |
f = f_at_A440 × (concert_pitch / 440)
Instruments That Play F♯7
F♯7 (2959.955 Hz) falls within the comfortable playing range of 3 instruments.
F♯7 and G♭7: Enharmonic Equivalents
F♯7 and G♭7 are enharmonic equivalents, they sound identical at 2959.955 Hz but are written differently depending on the musical context.
When to Write F♯7
F♯ is the first sharp added to a key signature (G major) and appears in every sharp key. It is the tonic of F♯ major (6 sharps).
Composers write F♯ in sharp keys, which includes most string-friendly keys. As the first accidental in the sharp order (F♯, C♯, G♯, D♯, A♯, E♯, B♯), F♯ appears more frequently in Western music than G♭. In ascending passages and sharp-side modulations, F♯ is standard.
Major scales containing F♯7: G major (7th / leading tone), D major (3rd), A major (6th), E major (2nd), B major (5th), F♯ major (tonic).
Minor scales containing F♯7: E minor (2nd), B minor (5th), F♯ minor (tonic), C♯ minor (4th), D minor (3rd, melodic ascending).
F♯7 in Instrument Literature
F♯ is extremely common for string instruments, violinists encounter it in G major (1 sharp), their most natural key after C. Guitarists play F♯ regularly in keys like G, D, and E major. Keyboard players see it as the first sharp in the key-signature order.
In fixed-do solfège, F♯ is sung as "fi" (♯4). In G major with moveable do, it is "ti" (the leading tone).
How G♭7 Differs in Context
While G♭7 sounds identical to F♯7, it belongs to a different set of keys and carries different harmonic implications.
G♭7: G♭ is the tonic of G♭ major (6 flats) and is the enharmonic twin of F♯ major. G♭ major is the only major key with 6 flats.
Major scales: G♭ major (tonic), D♭ major (4th), C♭ major (5th).
Minor scales: E♭ minor (3rd), B♭ minor (6th).
Wind and brass ensembles occasionally encounter G♭ in heavily flatted keys. Harpists may prefer G♭ major over F♯ major because harp pedal notation maps more naturally to flats. Flute players in orchestral literature sometimes see G♭ in modulating passages.
Enharmonic equivalents share the same frequency in equal temperament. In historical temperaments like Pythagorean or meantone, they may differ slightly, see the temperament comparison table above for this note's exact deviations.
Why F♯7 Varies Across Tuning Systems
F♯7 shows a maximum deviation of -13.69 cents in Meantone 1/3 Comma compared to equal temperament. This 14-cent difference reflects how different tuning philosophies prioritize interval purity over equal distribution.
In Meantone 1/3 Comma, F♯7 is tuned flatter than equal temperament, reflecting this system's approach to distributing the Pythagorean comma across the chromatic scale.
2 of the 15 non-equal temperaments deviate by more than 10 cents for F♯7, making this note one where tuning system choice has a meaningful impact on pitch.
F♯7 Across All Tuning Systems
Explore how F♯7 is tuned in each historical temperament system. Each tuning system gives F♯7 a slightly different frequency, affecting the harmonic character of chords and melodies.
F♯7 in Historical Temperament Systems
Explore how F♯7 (2959.955 Hz in equal temperament) is tuned in each of the 15 historical non-equal temperament systems. Each system places F♯7 at a slightly different frequency based on its mathematical basis.
Tune F♯7 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.
