Note name to MIDI note numbers
Type a value in note to get it in MIDI instantly.
440MIDI
That's 213,057,823× as high as the top of a piano — nothing on our list beats it. That is about 371 semitones from concert A.
Convert the other way: MIDI to note
What it means
What does that sound like?
Based on equal temperament with A4 at 440 Hz. Orchestras sometimes tune to 442 or 443, shifting everything slightly.
The math
How to convert note to MIDI
Pitch is logarithmic: f = 440 × 2^((note − 69) ÷ 12). Every octave doubles the frequency and holds 12 semitones.
Example: G♯35 note = 440 MIDI.
Every unit
Your pitch in every unit
Tables
note to MIDI conversion table
| note | MIDI |
|---|---|
| G3 note | 55 MIDI |
| D8 note | 110 MIDI |
| E17 note | 220 MIDI |
| A♯20 −37¢ note | 261.63 MIDI |
| F♯26 note | 330 MIDI |
| G♯35 note | 440 MIDI |
| G42 +25¢ note | 523.25 MIDI |
| C54 note | 660 MIDI |
| E72 note | 880 MIDI |
| G♯145 note | 1,760 MIDI |
MIDI to note conversion table
| MIDI | note |
|---|---|
| 55 MIDI | G3 note |
| 110 MIDI | D8 note |
| 220 MIDI | E17 note |
| 261.63 MIDI | A♯20 −37¢ note |
| 330 MIDI | F♯26 note |
| 440 MIDI | G♯35 note |
| 523.25 MIDI | G42 +25¢ note |
| 660 MIDI | C54 note |
| 880 MIDI | E72 note |
| 1,760 MIDI | G♯145 note |
Quick answers
Quick answers
- How many MIDI is C♯-1 note?
- C♯-1 note is 1 MIDI.
- How many MIDI is A♯-1 note?
- A♯-1 note is 10 MIDI.
- How many MIDI is G♯35 note?
- G♯35 note is 440 MIDI.
The units
About these units
Note name (note)
The nearest note in scientific pitch notation (A4 = 440 Hz), with the offset in cents.
MIDI note numbers (MIDI)
0 to 127, with 69 as A440 and 60 as middle C. Every synthesiser speaks this.
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