Tuning
Frequencies for equal-tempered scale, A4 = 438 Hz
Other tuning choices, A4 =
Speed of Sound = 345 m/s = 1130 ft/s = 770 miles/hr
More about Speed of Sound
("Middle C" is C4 )
| Note | Frequency (Hz) | Wavelength (cm) |
| C0 | 16.28 |
2119.52 |
| C#0/Db0 |
17.25 |
2000.56 |
| D0 | 18.27 |
1888.28 |
| D#0/Eb0 |
19.36 |
1782.30 |
| E0 | 20.51 |
1682.26 |
| F0 | 21.73 |
1587.85 |
| F#0/Gb0 |
23.02 |
1498.73 |
| G0 | 24.39 |
1414.61 |
| G#0/Ab0 |
25.84 |
1335.21 |
| A0 | 27.38 |
1260.27 |
| A#0/Bb0 |
29.00 |
1189.54 |
| B0 | 30.73 |
1122.78 |
| C1 | 32.55 |
1059.76 |
| C#1/Db1 |
34.49 |
1000.28 |
| D1 | 36.54 |
944.14 |
| D#1/Eb1 |
38.71 |
891.15 |
| E1 | 41.02 |
841.13 |
| F1 | 43.46 |
793.92 |
| F#1/Gb1 |
46.04 |
749.36 |
| G1 | 48.78 |
707.30 |
| G#1/Ab1 |
51.68 |
667.61 |
| A1 | 54.75 |
630.14 |
| A#1/Bb1 |
58.01 |
594.77 |
| B1 | 61.45 |
561.39 |
| C2 | 65.11 |
529.88 |
| C#2/Db2 |
68.98 |
500.14 |
| D2 | 73.08 |
472.07 |
| D#2/Eb2 |
77.43 |
445.57 |
| E2 | 82.03 |
420.57 |
| F2 | 86.91 |
396.96 |
| F#2/Gb2 |
92.08 |
374.68 |
| G2 | 97.55 |
353.65 |
| G#2/Ab2 |
103.35 |
333.80 |
| A2 | 109.50 |
315.07 |
| A#2/Bb2 |
116.01 |
297.39 |
| B2 | 122.91 |
280.69 |
| C3 | 130.22 |
264.94 |
| C#3/Db3 |
137.96 |
250.07 |
| D3 | 146.16 |
236.03 |
| D#3/Eb3 |
154.86 |
222.79 |
| E3 | 164.06 |
210.28 |
| F3 | 173.82 |
198.48 |
| F#3/Gb3 |
184.16 |
187.34 |
| G3 | 195.11 |
176.83 |
| G#3/Ab3 |
206.71 |
166.90 |
| A3 | 219.00 |
157.53 |
| A#3/Bb3 |
232.02 |
148.69 |
| B3 | 245.82 |
140.35 |
| C4 | 260.44 |
132.47 |
| C#4/Db4 |
275.92 |
125.04 |
| D4 | 292.33 |
118.02 |
| D#4/Eb4 |
309.71 |
111.39 |
| E4 | 328.13 |
105.14 |
| F4 | 347.64 |
99.24 |
| F#4/Gb4 |
368.31 |
93.67 |
| G4 | 390.21 |
88.41 |
| G#4/Ab4 |
413.42 |
83.45 |
| A4 | 438.00 |
78.77 |
| A#4/Bb4 |
464.04 |
74.35 |
| B4 | 491.64 |
70.17 |
| C5 | 520.87 |
66.24 |
| C#5/Db5 |
551.85 |
62.52 |
| D5 | 584.66 |
59.01 |
| D#5/Eb5 |
619.43 |
55.70 |
| E5 | 656.26 |
52.57 |
| F5 | 695.28 |
49.62 |
| F#5/Gb5 |
736.63 |
46.84 |
| G5 | 780.43 |
44.21 |
| G#5/Ab5 |
826.83 |
41.73 |
| A5 | 876.00 |
39.38 |
| A#5/Bb5 |
928.09 |
37.17 |
| B5 | 983.28 |
35.09 |
| C6 | 1041.74 |
33.12 |
| C#6/Db6 |
1103.69 |
31.26 |
| D6 | 1169.32 |
29.50 |
| D#6/Eb6 |
1238.85 |
27.85 |
| E6 | 1312.52 |
26.29 |
| F6 | 1390.56 |
24.81 |
| F#6/Gb6 |
1473.25 |
23.42 |
| G6 | 1560.85 |
22.10 |
| G#6/Ab6 |
1653.67 |
20.86 |
| A6 | 1752.00 |
19.69 |
| A#6/Bb6 |
1856.18 |
18.59 |
| B6 | 1966.55 |
17.54 |
| C7 | 2083.49 |
16.56 |
| C#7/Db7 |
2207.38 |
15.63 |
| D7 | 2338.64 |
14.75 |
| D#7/Eb7 |
2477.70 |
13.92 |
| E7 | 2625.03 |
13.14 |
| F7 | 2781.13 |
12.41 |
| F#7/Gb7 |
2946.50 |
11.71 |
| G7 | 3121.71 |
11.05 |
| G#7/Ab7 |
3307.34 |
10.43 |
| A7 | 3504.00 |
9.85 |
| A#7/Bb7 |
3712.36 |
9.29 |
| B7 | 3933.11 |
8.77 |
| C8 | 4166.98 |
8.28 |
| C#8/Db8 |
4414.76 |
7.81 |
| D8 | 4677.28 |
7.38 |
| D#8/Eb8 |
4955.40 |
6.96 |
| E8 | 5250.07 |
6.57 |
| F8 | 5562.25 |
6.20 |
| F#8/Gb8 |
5893.00 |
5.85 |
| G8 | 6243.42 |
5.53 |
| G#8/Ab8 |
6614.67 |
5.22 |
| A8 | 7008.00 |
4.92 |
| A#8/Bb8 |
7424.72 |
4.65 |
| B8 | 7866.21 |
4.39 |
(To convert lengts in cm to inches, divide by 2.54)
More information on the equal tempered scale
Equations used for this table