Frequencies for equal-tempered scale

A4 = 440 Hz 
Speed of sound = 345 m/s

("Middle C" is C4 )


 Note  Frequency (Hz) Wavelength (cm)
C0 16.35 2100.
C#0/Db0 17.32 1990.
D0 18.35 1870.
D#0/Eb0 19.45 1770.
E0 20.60 1670.
F0 21.83 1580.
F#0/Gb0 23.12 1490.
G0 24.50 1400.
G#0/Ab0 25.96 1320.
A0 27.50 1250.
A#0/Bb0 29.14 1180.
B0 30.87 1110.
C1 32.70 1050.
C#1/Db1 34.65 996.
D1 36.71 940.
D#1/Eb1 38.89 887.
E1 41.20 837.
F1 43.65 790.
F#1/Gb1 46.25 746.
G1 49.00 704.
G#1/Ab1 51.91 665.
A1 55.00 627.
A#1/Bb1 58.27 592.
B1 61.74 559.
C2 65.41 527.
C#2/Db2 69.30 498.
D2 73.42 470.
D#2/Eb2 77.78 444.
E2 82.41 419.
F2 87.31 395.
F#2/Gb2 92.50 373.
G2 98.00 352.
G#2/Ab2 103.83 332.
A2 110.00 314.
A#2/Bb2 116.54 296.
B2 123.47 279.
C3 130.81 264.
C#3/Db3 138.59 249.
D3 146.83 235.
D#3/Eb3 155.56 222.
E3 164.81 209.
F3 174.61 198.
F#3/Gb3 185.00 186.
G3 196.00 176.
G#3/Ab3 207.65 166.
A3 220.00 157.
A#3/Bb3 233.08 148.
B3 246.94 140.
C4 261.63 132.
C#4/Db4 277.18 124.
D4 293.66 117.
D#4/Eb4 311.13 111.
E4 329.63 105.
F4 349.23 98.8
F#4/Gb4 369.99 93.2
G4 392.00 88.0
G#4/Ab4 415.30 83.1
A4 440.00 78.4
A#4/Bb4 466.16 74.0
B4 493.88 69.9
C5 523.25 65.9
C#5/Db5 554.37 62.2
D5 587.33 58.7
D#5/Eb5 622.25 55.4
E5 659.26 52.3
F5 698.46 49.4
F#5/Gb5 739.99 46.6
G5 783.99 44.0
G#5/Ab5 830.61 41.5
A5 880.00 39.2
A#5/Bb5 932.33 37.0
B5 987.77 34.9
C6 1046.50 33.0
C#6/Db6 1108.73 31.1
D6 1174.66 29.4
D#6/Eb6 1244.51 27.7
E6 1318.51 26.2
F6 1396.91 24.7
F#6/Gb6 1479.98 23.3
G6 1567.98 22.0
G#6/Ab6 1661.22 20.8
A6 1760.00 19.6
A#6/Bb6 1864.66 18.5
B6 1975.53 17.5
C7 2093.00 16.5
C#7/Db7 2217.46 15.6
D7 2349.32 14.7
D#7/Eb7 2489.02 13.9
E7 2637.02 13.1
F7 2793.83 12.3
F#7/Gb7 2959.96 11.7
G7 3135.96 11.0
G#7/Ab7 3322.44 10.4
A7 3520.00 9.8
A#7/Bb7 3729.31 9.3
B7 3951.07 8.7
C8 4186.01 8.2
C#8/Db8 4434.92 7.8
D8 4698.64 7.3
D#8/Eb8 4978.03 6.9

 
 
OCTAVE
PITCH 1 2 3 4 5 6 7 8
   G#
   G
   F#
   F
   E
   D#
   D
   C#
   C
   B
   A#
   A 
51.913
48.999
46.249
43.654
41.203
38.891
36.708
34.648
32.703
30.868
29.135
27.500 
103.826
  97.999
  92.499
  87.307
  82.407
  77.782
  73.416
  69.296
  65.406
  61.735
  58.270
  55.000 
207.652
195.998
184.997
174.614
164.814
155.563
146.832
138.591
130.813
123.471
116.541
110.000 
415.305
391.995
369.994
349.228
329.629
311.127
293.665
277.183
261.626
246.942
233.082
220.000
830.609
783.991
739.989
698.456
659.255
622.254
587.330
554.365
523.251
493.883
466.164
440.000
1661.219
1567.982
1479.978
1396.913
1318.520
1244.598
1174.659
1108.731
1046.502
  987.767
  932.328
  880.000 
3322.437
3135.437
2959.955
2793.826
2637.020
2489.016
2439.318
2217.461
2093.004
1975.533
1864.655
1760.000 
4186.009
3951.066
3729.310
3520.000 
Theoretical fundamental piches of all eighty-eight notes. The box includes the twelve pitches of the temperament octave (in red) .This table was computed with a calculator by multiplying each successive half step by 1.0593631 (the twelfth root of two). Although the above pitches are rounded off to three places, computations were carried out to six places (five places, from C6 up).
From the Book "Piano Servicing Tuning & Rebuilding" by Arthur A. Reblitz.
For those that are curious, the lowest note on the piano is A sounding at 27.500 hz and the highest is the top C sounding at 4186.009 hz (cycles per second). A440 concert pitch refers to tuning the A above middle C to 440.000 hz, shown in blue above. (Based on the standard 88 note keyboard)