The E♭ Note
E♭ is a black key, immediately next to E. It sounds at 311.13 Hz in octave 4.
E♭ on the piano
Key facts
- On the keyboard
- a black key, immediately next to E.
- Frequency (octave 4)
- 311.13 Hz
- MIDI number (octave 4)
- 63
- Also written as
- D♯
- In key signatures
- The 2 flat in the order of flats.
E♭ and its enharmonic spellings
E♭ can also be written as D♯. 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.
E♭ frequency in every octave
Frequencies for E♭ in scientific pitch notation, with A4 tuned to 440 Hz.
| Note | MIDI | Frequency |
|---|---|---|
| E♭1 | 27 | 38.89 Hz |
| E♭2 | 39 | 77.78 Hz |
| E♭3 | 51 | 155.56 Hz |
| E♭4 | 63 | 311.13 Hz |
| E♭5 | 75 | 622.25 Hz |
| E♭6 | 87 | 1244.51 Hz |
| E♭7 | 99 | 2489.02 Hz |
Chords on E♭
The most common chords built with E♭ as the root.
Scales starting on E♭
Keys and scales that use E♭ as their tonic.
All notes
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Where is E♭ on the piano?
E♭ is a black key, immediately next to E.
What frequency is E♭4?
E♭4 sounds at 311.13 Hz with A4 tuned to 440 Hz.
What is another name for E♭?
E♭ can also be written as D♯. They are the same pitch spelled differently.
