1. Home
  2. Reference
  3. C5

Piano note

C5 523.25 Hz

C5 is toward the top of many tenor melodies and an ordinary bright note in the right hand.

  • Key 52 of 88
  • MIDI 72
  • +3 semitones from A4

C5

Frequency, piano key and harmonics

C5 is toward the top of many tenor melodies and an ordinary bright note in the right hand.

Frequency523.25 HzA4 = 440
MIDI72
Piano key52 of 88
From A4+3 st
Period1.911 ms
Wavelength65.6 cm343 m/s
HarmonicFrequencyNearest equal-tempered note
1 · fundamental523.25 HzC5 (+0 ¢)
2×1046.50 HzC6 (+0 ¢)
3×1569.75 HzG6 (+2 ¢)
4×2093.00 HzC7 (+0 ¢)
5×2616.26 HzE7 (−14 ¢)
6×3139.51 HzG7 (+2 ¢)

Piano playback uses a recorded piano sample. The sine button is the exact equal-tempered frequency. Neighbors: B4 and C♯5. Arbitrary pitches and alternate A4 tunings belong on the calculator.

StudioEars app icon
StudioEarsEar training for iPhone & iPad

Hear the note. Then name the interval.

Interval and chord drills in the app are built on this same piano and this same tuning.

Download on theApp Store

Free to start. 5 free training units every day plus built-in studio tools.

  • EQ & compressionDaily drills on drums, bass, guitars and full mixes.
  • Intervals & chordsPiano training that uses the same note names as these pages.
  • Studio toolsMetronome, tone generator and tap tempo live in the app too.

Explore the cluster

B4 One semitone down. Lower neighbor → C♯5 One semitone up. Upper neighbor → Note calculator Retune A4 or type any frequency. Open calculator →

FAQ

C5 questions

What frequency is C5?

523.25 Hz when A4 is 440 Hz. Change the reference on the note calculator if you need another tuning. This page does not change.

What MIDI note is C5?

MIDI 72. Piano key 52, counting A0 as key 1 and C8 as key 88.

How loud should I listen?

Keep the tone at a conversation level. These pages can generate steady tones and noise, which fatigue your ears faster than music. If anything rings or feels uncomfortable, stop and turn the volume down.