鋼琴鍵頻率

鋼琴鍵頻率是指鋼琴上每一個鍵所產生的聲音頻率，以赫茲為單位。 现代的鋼琴上共有88至108鍵。在88键钢琴上，第49鍵，即第5個A（亦稱A₄）一般作為調音標準音。現行的標準是440赫茲，亦稱A440。歷史上曾有不少標準，由432至446赫茲之間的所有偶数都曾經使用過。

頻率公式

以下是鋼琴頻率的公式：

$f(n)={\left(\sqrt[12]{2}\right)}^{n-49}\times A_4$

其中$n$是從左至右數的鍵序，$A_4$則是上文提及A₄的標準，現時為440赫茲。

列表

88鍵鋼琴，以數字顯示八度和中央C (青色) 以及 A440 (黃色)

粗體表示該數值為理论上的精確值。灰色部分表示該琴鍵只出現在大型鋼琴。紅色部分表示人耳無法聽見的頻率

鍵序	Template:Tsl 名字	科學音調記號	頻率 (赫茲)
108	b′′′′′	B8	7902.13
107	aTemplate:Music′′′′′/bTemplate:Music′′′′′	ATemplate:Music8/BTemplate:Music8	7458.62
106	a′′′′′	A8	7040.00
105	gTemplate:Music′′′′′/aTemplate:Music′′′′′	GTemplate:Music8/ATemplate:Music8	6644.88
104	g′′′′′	G8	6271.93
103	fTemplate:Music′′′′′/gTemplate:Music′′′′′	FTemplate:Music8/GTemplate:Music8	5919.91
102	f′′′′′	F8	5587.65
101	e′′′′′	E8	5274.04
100	dTemplate:Music′′′′′／eTemplate:Music′′′′′	DTemplate:Music8／ETemplate:Music8	4978.03
99	d′′′′′	D8	4698.64
98	cTemplate:Music′′′′′／dTemplate:Music′′′′′	CTemplate:Music8／DTemplate:Music8	4434.92
88	c′′′′′	C8	4186.01
87	b′′′′	B7	3951.07
86	aTemplate:Music′′′′／bTemplate:Music′′′′	ATemplate:Music7／BTemplate:Music7	3729.31
85	a′′′′	A7	3520.00
84	gTemplate:Music′′′′／aTemplate:Music′′′′	GTemplate:Music7／ATemplate:Music7	3322.44
83	g′′′′	G7	3135.96
82	fTemplate:Music′′′′／gTemplate:Music′′′′	FTemplate:Music7／GTemplate:Music7	2959.96
81	f′′′′	F7	2793.83
80	e′′′′	E7	2637.02
79	dTemplate:Music′′′′／eTemplate:Music′′′′	DTemplate:Music7／ETemplate:Music7	2489.02
78	d′′′′	D7	2349.32
77	cTemplate:Music′′′′／dTemplate:Music′′′′	CTemplate:Music7／DTemplate:Music7	2217.46
76	c′′′′	C7	2093.00
75	b′′′	B6	1975.53
74	aTemplate:Music′′′／bTemplate:Music′′′	ATemplate:Music6／BTemplate:Music6	1864.66
73	a′′′	A6	1760.00
72	gTemplate:Music′′′／aTemplate:Music′′′	GTemplate:Music6／ATemplate:Music6	1661.22
71	g′′′	G6	1567.98
70	fTemplate:Music′′′／gTemplate:Music′′′	FTemplate:Music6／GTemplate:Music6	1479.98
69	f′′′	F6	1396.91
68	e′′′	E6	1318.51
67	dTemplate:Music′′′／eTemplate:Music′′′	DTemplate:Music6／ETemplate:Music6	1244.51
66	d′′′	D6	1174.66
65	cTemplate:Music′′′／dTemplate:Music′′′	CTemplate:Music6／DTemplate:Music6	1108.73
64	c′′′	C6	1046.50
63	b′′	B5	987.767
62	aTemplate:Music′′／bTemplate:Music′′	ATemplate:Music5／BTemplate:Music5	932.328
61	a′′	A5	880.000
60	gTemplate:Music′′／aTemplate:Music′′	GTemplate:Music5／ATemplate:Music5	830.609
59	g′′	G5	783.991
58	fTemplate:Music′′／gTemplate:Music′′	FTemplate:Music5／GTemplate:Music5	739.989
57	f′′	F5	698.456
56	e′′	E5	659.255
55	dTemplate:Music′′／eTemplate:Music′′	DTemplate:Music5／ETemplate:Music5	622.254
54	d′′	D5	587.330
53	cTemplate:Music′′／dTemplate:Music′′	CTemplate:Music5／DTemplate:Music5	554.365
52	c′′	C5	523.251
51	b′	B4	493.883
50	aTemplate:Music′／bTemplate:Music′	ATemplate:Music4／BTemplate:Music4	466.164
49	a′	A4 A440	440.000
48	gTemplate:Music′／aTemplate:Music′	GTemplate:Music4／ATemplate:Music4	415.305
47	g′	G4	391.995
46	fTemplate:Music′／gTemplate:Music′	FTemplate:Music4／GTemplate:Music4	369.994
45	f′	F4	349.228
44	e′	E4	329.628
43	dTemplate:Music′／eTemplate:Music′	DTemplate:Music4／ETemplate:Music4	311.127
42	d′	D4	293.665
41	cTemplate:Music′／dTemplate:Music′	CTemplate:Music4／DTemplate:Music4	277.183
40	c′	C4 中央C	261.626
39	b	B3	246.942
38	aTemplate:Music／bTemplate:Music	ATemplate:Music3／BTemplate:Music3	233.082
37	a	A3	220.000
36	gTemplate:Music／aTemplate:Music	GTemplate:Music3／ATemplate:Music3	207.652
35	g	G3	195.998
34	fTemplate:Music／gTemplate:Music	FTemplate:Music3／GTemplate:Music3	184.997
33	f	F3	174.614
32	e	E3	164.814
31	dTemplate:Music／eTemplate:Music	DTemplate:Music3／ETemplate:Music3	155.563
30	d	D3	146.832
29	cTemplate:Music／dTemplate:Music	CTemplate:Music3／DTemplate:Music3	138.591
28	c	C3	130.813
27	B	B2	123.471
26	ATemplate:Music／bTemplate:Music	ATemplate:Music2／BTemplate:Music2	116.541
25	A	A2	110.000
24	GTemplate:Music／aTemplate:Music	GTemplate:Music2／ATemplate:Music2	103.826
23	G	G2	97.9989
22	FTemplate:Music／gTemplate:Music	FTemplate:Music2／GTemplate:Music2	92.4986
21	F	F2	87.3071
20	E	E2	82.4069
19	DTemplate:Music／eTemplate:Music	DTemplate:Music2／ETemplate:Music2	77.7817
18	D	D2	73.4162
17	CTemplate:Music／dTemplate:Music	CTemplate:Music2／DTemplate:Music2	69.2957
16	C	C2	65.4064
15	B͵	B1	61.7354
14	ATemplate:Music͵／bTemplate:Music͵	ATemplate:Music1／BTemplate:Music1	58.2705
13	A͵	A1	55.0000
12	GTemplate:Music͵／aTemplate:Music͵	GTemplate:Music1／ATemplate:Music1	51.9131
11	G͵	G1	48.9994
10	FTemplate:Music͵／gTemplate:Music͵	FTemplate:Music1／GTemplate:Music1	46.2493
9	F͵	F1	43.6535
8	E͵	E1	41.2034
7	DTemplate:Music͵／eTemplate:Music͵	DTemplate:Music1／ETemplate:Music1	38.8909
6	D͵	D1	36.7081
5	CTemplate:Music͵／dTemplate:Music͵	CTemplate:Music1／DTemplate:Music1	34.6478
4	C͵	C1 Pedal C	32.7032
3	B͵͵	B0	30.8677
2	ATemplate:Music͵͵／bTemplate:Music͵͵	ATemplate:Music0／BTemplate:Music0	29.1352
1	A͵͵	A0	27.5000
97	GTemplate:Music͵͵／aTemplate:Music͵͵	GTemplate:Music0／ATemplate:Music0	25.9565
96	G͵͵	G0	24.4997
95	FTemplate:Music͵͵／gTemplate:Music͵͵	FTemplate:Music0／GTemplate:Music0	23.1247
94	F͵͵	F0	21.8268
93	E͵͵	E0	20.6017
92	DTemplate:Music͵͵／eTemplate:Music͵͵	DTemplate:Music0／ETemplate:Music0	19.4454
91	D͵͵	D0	18.3540
90	CTemplate:Music͵͵／dTemplate:Music͵͵	CTemplate:Music0／DTemplate:Music0	17.3239
89	C͵͵	C0	16.3516

鋼琴鍵頻率列表 (可印版本)