The ロ Note
ロ is a white key on the piano. It sounds at 493.88 Hz in octave 4.
ロ on the piano
Key facts
- On the keyboard
- a white key on the piano.
- Frequency (octave 4)
- 493.88 Hz
- MIDI number (octave 4)
- 71
- Also written as
- 変ハ
- In key signatures
- Never appears as an accidental in a key signature.
ロ and its enharmonic spellings
ロ can also be written as 変ハ. 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.
ロ frequency in every octave
Frequencies for ロ in scientific pitch notation, with A4 tuned to 440 Hz.
| Note | MIDI | Frequency |
|---|---|---|
| ロ1 | 35 | 61.74 Hz |
| ロ2 | 47 | 123.47 Hz |
| ロ3 | 59 | 246.94 Hz |
| ロ4 | 71 | 493.88 Hz |
| ロ5 | 83 | 987.77 Hz |
| ロ6 | 95 | 1975.53 Hz |
| ロ7 | 107 | 3951.07 Hz |
Chords on ロ
The most common chords built with ロ as the root.
Scales starting on ロ
Keys and scales that use ロ as their tonic.
All notes
よくある質問
Where is ロ on the piano?
ロ is a white key on the piano.
What frequency is ロ4?
ロ4 sounds at 493.88 Hz with A4 tuned to 440 Hz.
What is another name for ロ?
ロ can also be written as 変ハ. They are the same pitch spelled differently.
