The ハ Note
ハ is a white key on the piano. It sounds at 261.63 Hz in octave 4.
ハ on the piano
Key facts
- On the keyboard
- a white key on the piano.
- Frequency (octave 4)
- 261.63 Hz
- MIDI number (octave 4)
- 60
- Also written as
- 嬰ロ
- In key signatures
- Never appears as an accidental in a key signature.
ハ and its enharmonic spellings
ハ can also be written as 嬰ロ. 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.
ハ frequency in every octave
Frequencies for ハ in scientific pitch notation, with A4 tuned to 440 Hz.
| Note | MIDI | Frequency |
|---|---|---|
| ハ1 | 24 | 32.7 Hz |
| ハ2 | 36 | 65.41 Hz |
| ハ3 | 48 | 130.81 Hz |
| ハ4 | 60 | 261.63 Hz |
| ハ5 | 72 | 523.25 Hz |
| ハ6 | 84 | 1046.5 Hz |
| ハ7 | 96 | 2093 Hz |
Chords on ハ
The most common chords built with ハ as the root.
Scales starting on ハ
Keys and scales that use ハ as their tonic.
All notes
よくある質問
Where is ハ on the piano?
ハ is a white key on the piano.
What frequency is ハ4?
ハ4 sounds at 261.63 Hz with A4 tuned to 440 Hz.
What is another name for ハ?
ハ can also be written as 嬰ロ. They are the same pitch spelled differently.
