E is a white key on the piano. It sounds at 329.63 Hz in octave 4.
E can also be written as Fes. 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 |
|---|---|---|
| E1 | 28 | 41.2 Hz |
| E2 | 40 | 82.41 Hz |
| E3 | 52 | 164.81 Hz |
| E4 | 64 | 329.63 Hz |
| E5 | 76 | 659.26 Hz |
| E6 | 88 | 1318.51 Hz |
| E7 | 100 | 2637.02 Hz |
The most common chords built with E as the root.
Keys and scales that use E as their tonic.
E is a white key on the piano.
E4 sounds at 329.63 Hz with A4 tuned to 440 Hz.
E can also be written as Fes. They are the same pitch spelled differently.