How many keys are there in a modern piano?

64
88
102
110
A modern piano has 88 keys. This covers a wide range of seven octaves plus a minor third. Only one instrument spans more octaves: a pipe organ (up to ten).
Kate Pierrick
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Very interesting!
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Answers by country

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flagRepublic of Ireland
12%
66%
21%
0%
33
flagFrance
25%
66%
4%
0%
24
flagGermany
14%
64%
15%
4%
568
flagSwitzerland
9%
64%
13%
7%
51
flagAustralia
15%
63%
12%
8%
57
flagthe United States
13%
62%
17%
5%
526
flagthe United Kingdom
15%
61%
19%
3%
238
flagAustria
14%
61%
19%
2%
127
flagthe Netherlands
10%
58%
27%
3%
29
flagCanada
27%
57%
10%
5%
59
flagGreece
11%
53%
26%
7%
26
flagRomania
33%
53%
13%
0%
15
flagItaly
29%
47%
23%
0%
17
flagPoland
19%
45%
27%
6%
14927
flagSouth Africa
47%
42%
9%
0%
21
flagSpain
22%
40%
31%
4%
22
flagIndia
21%
39%
25%
12%
126
flagIndonesia
37%
37%
18%
5%
75
flagthe Philippines
26%
36%
10%
26%
19
flagUnknown
30%
35%
35%
0%
20