Frequency to Pitch Calculator

Note to Frequency Calculator

If you want to calculate the frequency of a note in reference you can use the following calculator. Again you can change the reference pitch if you need to. The frequencies of the notes of the 8 registers of a piano in standard tuning are listed in a table below.

Which frequency is which note?

In the table below you will find the musical notes of the 8 registers of a piano and their respective frequency in Hertz, based on A4 = 440 Hz. A440 is the standard pitch in music and the following frequencies are based on the 12-TET equal temperament.

0

C  16
C# 17
D  18
D# 20
E  21
F  22
F# 23
G  25
G# 26
A  28
A# 29
B  31

1

C  33
C# 35
D  37
D# 39
E  41
F  44
F# 46
G  49
G# 52
A  55
A# 58
B  62

2

C   65
C#  69
D   73
D#  78
E   82
F   87
F#  93
G   98
G# 104
A  110
A# 117
B  124

3

C  131
C# 139
D  147
D# 156
E  165
F  175
F# 185
G  196
G# 208
A  220
A# 233
B  247

4

C  262
C# 278
D  294
D# 311
E  330
F  349
F# 370
G  392
G# 415
A  440
A# 466
B  494

5

C  523
C# 554
D  587
D# 622
E  659
F  699
F# 740
G  784
G# 831
A  880
A# 932
B  988

6

C  1047
C# 1109
D  1175
D# 1245
E  1319
F  1397
F# 1475
G  1568
G# 1661
A  1760
A# 1865
B  1976

7

C  2093
C# 2218
D  2349
D# 2489
E  2637
F  2794
F# 2960
G  3136
G# 3322
A  3520
A# 3729
B  3951

8

C  4186
C# 4435
D  4699
D# 4978
E  5274
F  5588
F# 5920
G  6272
G# 6645
A  7040
A# 7459
B  7902

This Post Has 16 Comments

  1. Joe Couture July 18, 2020 Reply

    Excellent!

  2. Anonymous September 19, 2020 Reply

    Muchas gracias!.

    1. a March 21, 2022 Reply

      si

  3. Anonymous October 16, 2021 Reply

    I would like to credit someone with this in my bibliography, whom may I credit?

  4. Steve Howe November 13, 2021 Reply

    Thank you! That annoying TV noise is a slightly flat B9. Mystery solved.

    1. Anonymous April 15, 2023 Reply

      what the hel is flat b9. B flat?

      1. Anonymous August 12, 2023 Reply

        bflat is a#

      2. Vajrakilaya Jones September 18, 2023 Reply

        Steve’s TV “hel” noise is a close, but lower-pitched 9th octave B. Mystery solved again!

      3. Captain Oblivious December 26, 2023 Reply

        B of 9th octave, but slightly less hz

  5. Anonymous March 24, 2022 Reply

    THIS IS GOOD ;0

  6. Pápï June 9, 2022 Reply

    Im nerding out over this

  7. Anonymous December 21, 2022 Reply

    May the wisdom of sound be understood by all those who will listen!

  8. Pie December 21, 2022 Reply

    May the wisdom of sound be heard by all those who listen!

  9. Anonymous January 21, 2023 Reply

    thanks for the informative details

  10. Anonymous April 3, 2023 Reply

    muy inteligente

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