E♯ is a white key on the piano. It sounds at 349.23 Hz in octave 4.
E♯ can also be written as F. These are enharmonic equivalents: the same pitch, the same key on the piano, a different name on the page. Which spelling is correct depends on the key and on how the note functions, not on the sound.
Frequencies for E♯ in scientific pitch notation, with A4 tuned to 440 Hz.
| Note | MIDI | Frequency |
|---|---|---|
| E♯1 | 29 | 43.65 Hz |
| E♯2 | 41 | 87.31 Hz |
| E♯3 | 53 | 174.61 Hz |
| E♯4 | 65 | 349.23 Hz |
| E♯5 | 77 | 698.46 Hz |
| E♯6 | 89 | 1396.91 Hz |
| E♯7 | 101 | 2793.83 Hz |
The most common chords built with E♯ as the root.
E♯ is a white key on the piano.
E♯4 sounds at 349.23 Hz with A4 tuned to 440 Hz.
E♯ can also be written as F. They are the same pitch spelled differently.