The H Note

H is a white key on the piano. It sounds at 493.88 Hz in octave 4.

H on the piano

Press play to hear the note.

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
Ces
In key signatures
Never appears as an accidental in a key signature.

H and its enharmonic spellings

H can also be written as Ces. 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.

H frequency in every octave

Frequencies for H in scientific pitch notation, with A4 tuned to 440 Hz.

NoteMIDIFrequency
H13561.74 Hz
H247123.47 Hz
H359246.94 Hz
H471493.88 Hz
H583987.77 Hz
H6951975.53 Hz
H71073951.07 Hz

Chords on H

The most common chords built with H as the root.

See every H chord

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Scales starting on H

Keys and scales that use H as their tonic.

All notes

Ofte stillede spørgsmål

Where is H on the piano?

H is a white key on the piano.

What frequency is H4?

H4 sounds at 493.88 Hz with A4 tuned to 440 Hz.

What is another name for H?

H can also be written as Ces. They are the same pitch spelled differently.