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%
68%
18%
0%
32
flagFrance
25%
66%
4%
0%
24
flagSwitzerland
8%
65%
14%
8%
49
flagGermany
15%
63%
16%
4%
549
flagAustralia
15%
63%
12%
8%
57
flagthe United States
13%
62%
17%
5%
522
flagthe United Kingdom
15%
61%
19%
3%
238
flagAustria
15%
61%
20%
1%
125
flagthe Netherlands
11%
59%
25%
3%
27
flagCanada
27%
57%
10%
5%
59
flagRomania
33%
53%
13%
0%
15
flagGreece
13%
47%
30%
8%
23
flagItaly
29%
47%
23%
0%
17
flagPoland
19%
45%
27%
6%
14871
flagSpain
19%
42%
33%
4%
21
flagSouth Africa
47%
42%
9%
0%
21
flagIndia
21%
39%
25%
12%
125
flagIndonesia
37%
37%
18%
5%
75
flagthe Philippines
26%
36%
10%
26%
19
flagUnknown
30%
35%
35%
0%
20